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In this paper, we empirically identify key requirements that professional relief units pose on this coordination. Based on these requirements, we suggest a decision model. We computationally solve a real-world instance of the model and empirically validate the computed solution in interviews with practitioners. Our results show that the suggested model allows for solving volunteer coordination tasks of realistic size near-optimally within short time, with the determined solution being well accepted by practitioners. We also describe in this article how the suggested decision support model is integrated in the volunteer coordination system which we develop in joint cooperation with a disaster management authority and a software development company."}],"extern":"1","date_created":"2018-11-14T15:35:54Z","has_accepted_license":"1","status":"public","file":[{"date_updated":"2018-12-13T15:05:44Z","content_type":"application/pdf","relation":"main_file","file_size":488472,"file_id":"6020","creator":"hsiemes","access_level":"open_access","file_name":"2018_ISCRAM_Conference_Proceedings - Publication Version.pdf","date_created":"2018-12-07T11:25:06Z"}],"keyword":["Coordination of spontaneous volunteers","volunteer coordination system","decision support","scheduling optimization model","linear programming"],"file_date_updated":"2018-12-13T15:05:44Z","publication":"Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management","author":[{"full_name":"Rauchecker, Gerhard","first_name":"Gerhard","last_name":"Rauchecker"},{"full_name":"Schryen, Guido","first_name":"Guido","id":"72850","last_name":"Schryen"}],"conference":{"name":"15th International Conference on Information Systems for Crisis Response and Management","location":"Rochester, NY, USA"},"_id":"5675","citation":{"chicago":"Rauchecker, Gerhard, and Guido Schryen. “Decision Support for the Optimal Coordination of Spontaneous Volunteers in Disaster Relief.” In Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, 2018.","ama":"Rauchecker G, Schryen G. Decision Support for the Optimal Coordination of Spontaneous Volunteers in Disaster Relief. In: Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management. ; 2018.","apa":"Rauchecker, G., & Schryen, G. (2018). Decision Support for the Optimal Coordination of Spontaneous Volunteers in Disaster Relief. In Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management. 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Schryen, “Decision Support for the Optimal Coordination of Spontaneous Volunteers in Disaster Relief,” in Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, Rochester, NY, USA, 2018."},"type":"conference","year":"2018"},{"type":"conference","citation":{"apa":"Prester, J., Wagner, G., & Schryen, G. (2018). Classifying the Ideational Impact of IS Review Articles: A Natural Language Processing Based Approach. In Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA.","ama":"Prester J, Wagner G, Schryen G. Classifying the Ideational Impact of IS Review Articles: A Natural Language Processing Based Approach. In: Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA; 2018.","chicago":"Prester, Julian, Gerit Wagner, and Guido Schryen. “Classifying the Ideational Impact of IS Review Articles: A Natural Language Processing Based Approach.” In Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA, 2018.","mla":"Prester, Julian, et al. “Classifying the Ideational Impact of IS Review Articles: A Natural Language Processing Based Approach.” Proceedings of the 2018 International Conference on Information Systems (ICIS 2018), 2018.","bibtex":"@inproceedings{Prester_Wagner_Schryen_2018, place={San Francisco, CA, USA}, title={Classifying the Ideational Impact of IS Review Articles: A Natural Language Processing Based Approach}, booktitle={Proceedings of the 2018 International Conference on Information Systems (ICIS 2018)}, author={Prester, Julian and Wagner, Gerit and Schryen, Guido}, year={2018} }","short":"J. Prester, G. Wagner, G. 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Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC. University of Regensburg, 2018, doi:10.5283/epub.36264.","chicago":"Schillinger, Rolf, and Guido Schryen. Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC. University of Regensburg, 2018. https://doi.org/10.5283/epub.36264.","ama":"Schillinger R, Schryen G. Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC. University of Regensburg; 2018. doi:10.5283/epub.36264","apa":"Schillinger, R., & Schryen, G. (2018). Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC. University of Regensburg. https://doi.org/10.5283/epub.36264","ieee":"R. Schillinger and G. Schryen, Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC. University of Regensburg, 2018.","short":"R. Schillinger, G. Schryen, Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC, University of Regensburg, 2018."},"type":"book","year":"2018","_id":"6164","file_date_updated":"2018-12-13T15:21:02Z","publisher":"University of Regensburg","author":[{"first_name":"Rolf","full_name":"Schillinger, Rolf","last_name":"Schillinger"},{"full_name":"Schryen, Guido","first_name":"Guido","id":"72850","last_name":"Schryen"}],"file":[{"relation":"main_file","date_updated":"2018-12-13T15:21:02Z","content_type":"application/pdf","creator":"hsiemes","file_id":"6165","file_size":1913774,"access_level":"open_access","file_name":"PUBLISHED BOOK - Security in Highly Connected IT Systems.pdf","date_created":"2018-12-11T13:42:43Z"}],"date_created":"2018-12-11T13:39:45Z","status":"public","has_accepted_license":"1","extern":"1","ddc":["000"],"user_id":"61579","language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:02:54Z","doi":"10.5283/epub.36264","oa":"1","department":[{"_id":"277"}],"publication_identifier":{"isbn":["978-3-88246-374-3"]},"title":"Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC"},{"language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:02:03Z","oa":"1","department":[{"_id":"277"}],"title":"Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning","page":"807 - 823","year":"2018","citation":{"short":"E. Weishäupl, E. Yasasin, G. Schryen, Computers & Security 77 (2018) 807–823.","ieee":"E. Weishäupl, E. Yasasin, and G. Schryen, “Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning,” Computers & Security, vol. 77, pp. 807–823, 2018.","chicago":"Weishäupl, Eva, Emrah Yasasin, and Guido Schryen. “Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning.” Computers & Security 77 (2018): 807–23.","apa":"Weishäupl, E., Yasasin, E., & Schryen, G. (2018). Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning. Computers & Security, 77, 807–823.","ama":"Weishäupl E, Yasasin E, Schryen G. Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning. Computers & Security. 2018;77:807-823.","bibtex":"@article{Weishäupl_Yasasin_Schryen_2018, title={Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning}, volume={77}, journal={Computers & Security}, publisher={Elsevier}, author={Weishäupl, Eva and Yasasin, Emrah and Schryen, Guido}, year={2018}, pages={807–823} }","mla":"Weishäupl, Eva, et al. “Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning.” Computers & Security, vol. 77, Elsevier, 2018, pp. 807–23."},"type":"journal_article","_id":"5586","intvolume":" 77","keyword":["Information Security Investments","Multiple Case Study","Organizations","Single Loop Learning","Double Loop Learning"],"publication":"Computers & Security","file_date_updated":"2018-12-13T15:06:10Z","author":[{"last_name":"Weishäupl","first_name":"Eva","full_name":"Weishäupl, Eva"},{"last_name":"Yasasin","full_name":"Yasasin, Emrah","first_name":"Emrah"},{"full_name":"Schryen, Guido","first_name":"Guido","id":"72850","last_name":"Schryen"}],"publisher":"Elsevier","file":[{"date_updated":"2018-12-13T15:06:10Z","content_type":"application/pdf","relation":"main_file","file_size":809490,"file_id":"6022","creator":"hsiemes","access_level":"open_access","file_name":"JOURNAL VERSION.pdf","date_created":"2018-12-07T11:26:53Z"}],"volume":77,"date_created":"2018-11-14T11:24:37Z","has_accepted_license":"1","status":"public","extern":"1","abstract":[{"text":"The need to protect resources against attackers is reflected by huge information security investments of firms worldwide. In the presence of budget constraints and a diverse set of assets to protect, organizations have to decide in which IT security measures to invest, how to evaluate those investment decisions, and how to learn from past decisions to optimize future security investment actions. While the academic literature has provided valuable insights into these issues, there is a lack of empirical contributions. To address this lack, we conduct a theory-based exploratory multiple case study. Our case study reveals that (1) firms? investments in information security are largely driven by external environmental and industry-related factors, (2) firms do not implement standardized decision processes, (3) the security process is perceived to impact the business process in a disturbing way, (4) both the implementation of evaluation processes and the application of metrics are hardly existent and (5) learning activities mainly occur at an ad-hoc basis.","lang":"eng"}],"ddc":["000"],"user_id":"61579"},{"citation":{"short":"R. Schuster, G. Wagner, G. Schryen, in: Proceedings of the 2018 International Conference on Information Systems (ICIS 2018), San Francisco, CA, USA, 2018.","ieee":"R. Schuster, G. Wagner, and G. Schryen, “Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study,” in Proceedings of the 2018 International Conference on Information Systems (ICIS 2018), San Francisco, CA, USA, 2018.","ama":"Schuster R, Wagner G, Schryen G. Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study. In: Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA; 2018.","apa":"Schuster, R., Wagner, G., & Schryen, G. (2018). Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study. In Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA.","chicago":"Schuster, Richard, Gerit Wagner, and Guido Schryen. “Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study.” In Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA, 2018.","mla":"Schuster, Richard, et al. “Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study.” Proceedings of the 2018 International Conference on Information Systems (ICIS 2018), 2018.","bibtex":"@inproceedings{Schuster_Wagner_Schryen_2018, place={San Francisco, CA, USA}, title={Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study}, booktitle={Proceedings of the 2018 International Conference on Information Systems (ICIS 2018)}, author={Schuster, Richard and Wagner, Gerit and Schryen, Guido}, year={2018} }"},"year":"2018","type":"conference","conference":{"location":"San Francisco, CA, USA","name":"Thirty Ninth International Conference on Information Systems"},"_id":"5600","date_created":"2018-11-14T11:51:38Z","status":"public","has_accepted_license":"1","file":[{"access_level":"open_access","date_created":"2018-12-07T11:28:03Z","file_name":"paper345.pdf","relation":"main_file","date_updated":"2018-12-13T15:06:21Z","content_type":"application/pdf","file_id":"6023","creator":"hsiemes","file_size":1080982}],"publication":"Proceedings of the 2018 International Conference on Information Systems (ICIS 2018)","file_date_updated":"2018-12-13T15:06:21Z","author":[{"first_name":"Richard","full_name":"Schuster, Richard","last_name":"Schuster"},{"last_name":"Wagner","first_name":"Gerit","full_name":"Wagner, Gerit"},{"full_name":"Schryen, Guido","first_name":"Guido","id":"72850","last_name":"Schryen"}],"user_id":"61579","ddc":["000"],"extern":"1","language":[{"iso":"eng"}],"oa":"1","date_updated":"2022-01-06T07:02:07Z","department":[{"_id":"277"}],"title":"Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study","place":"San Francisco, CA, USA"},{"doi":"10.1007/978-3-319-96271-9_5","date_updated":"2022-01-06T06:52:08Z","_id":"14856","language":[{"iso":"eng"}],"year":"2018","type":"book_chapter","citation":{"ama":"Hallmann C, Burmeister SC, Wissing M, Suhl L. Heuristics and Simulation for Water Tank Optimization. In: Communications in Computer and Information Science. Cham; 2018. doi:10.1007/978-3-319-96271-9_5","apa":"Hallmann, C., Burmeister, S. C., Wissing, M., & Suhl, L. (2018). Heuristics and Simulation for Water Tank Optimization. In Communications in Computer and Information Science. Cham. https://doi.org/10.1007/978-3-319-96271-9_5","chicago":"Hallmann, Corinna, Sascha Christian Burmeister, Michaela Wissing, and Leena Suhl. “Heuristics and Simulation for Water Tank Optimization.” In Communications in Computer and Information Science. Cham, 2018. https://doi.org/10.1007/978-3-319-96271-9_5.","mla":"Hallmann, Corinna, et al. “Heuristics and Simulation for Water Tank Optimization.” Communications in Computer and Information Science, 2018, doi:10.1007/978-3-319-96271-9_5.","bibtex":"@inbook{Hallmann_Burmeister_Wissing_Suhl_2018, place={Cham}, title={Heuristics and Simulation for Water Tank Optimization}, DOI={10.1007/978-3-319-96271-9_5}, booktitle={Communications in Computer and Information Science}, author={Hallmann, Corinna and Burmeister, Sascha Christian and Wissing, Michaela and Suhl, Leena}, year={2018} }","short":"C. Hallmann, S.C. Burmeister, M. Wissing, L. Suhl, in: Communications in Computer and Information Science, Cham, 2018.","ieee":"C. Hallmann, S. C. Burmeister, M. Wissing, and L. Suhl, “Heuristics and Simulation for Water Tank Optimization,” in Communications in Computer and Information Science, Cham, 2018."},"user_id":"32439","title":"Heuristics and Simulation for Water Tank Optimization","place":"Cham","status":"public","date_created":"2019-11-08T08:10:10Z","publication_identifier":{"issn":["1865-0929","1865-0937"],"isbn":["9783319962702","9783319962719"]},"publication_status":"published","author":[{"last_name":"Hallmann","full_name":"Hallmann, Corinna","first_name":"Corinna"},{"full_name":"Burmeister, Sascha Christian","first_name":"Sascha Christian","id":"32685","last_name":"Burmeister"},{"full_name":"Wissing, Michaela","first_name":"Michaela","id":"32439","last_name":"Wissing"},{"first_name":"Leena","full_name":"Suhl, Leena","last_name":"Suhl"}],"department":[{"_id":"277"}],"publication":"Communications in Computer and Information Science"},{"title":"Model Generator for Water Distribution Systems","user_id":"38910","place":"Cham","publication_status":"published","publication_identifier":{"issn":["0721-5924","2197-9294"],"isbn":["9783319899190","9783319899206"]},"status":"public","date_created":"2019-11-08T08:27:37Z","author":[{"full_name":"Hallmann, Corinna","first_name":"Corinna","last_name":"Hallmann"},{"id":"38910","last_name":"Kuhlemann","full_name":"Kuhlemann, Stefan","first_name":"Stefan"}],"department":[{"_id":"277"}],"publication":"Operations Research Proceedings","doi":"10.1007/978-3-319-89920-6_34","date_updated":"2022-01-06T06:52:08Z","_id":"14861","type":"book_chapter","year":"2018","citation":{"ama":"Hallmann C, Kuhlemann S. Model Generator for Water Distribution Systems. In: Operations Research Proceedings. Cham; 2018. doi:10.1007/978-3-319-89920-6_34","apa":"Hallmann, C., & Kuhlemann, S. (2018). Model Generator for Water Distribution Systems. In Operations Research Proceedings. Cham. https://doi.org/10.1007/978-3-319-89920-6_34","chicago":"Hallmann, Corinna, and Stefan Kuhlemann. “Model Generator for Water Distribution Systems.” In Operations Research Proceedings. Cham, 2018. https://doi.org/10.1007/978-3-319-89920-6_34.","mla":"Hallmann, Corinna, and Stefan Kuhlemann. “Model Generator for Water Distribution Systems.” Operations Research Proceedings, 2018, doi:10.1007/978-3-319-89920-6_34.","bibtex":"@inbook{Hallmann_Kuhlemann_2018, place={Cham}, title={Model Generator for Water Distribution Systems}, DOI={10.1007/978-3-319-89920-6_34}, booktitle={Operations Research Proceedings}, author={Hallmann, Corinna and Kuhlemann, Stefan}, year={2018} }","short":"C. Hallmann, S. Kuhlemann, in: Operations Research Proceedings, Cham, 2018.","ieee":"C. Hallmann and S. Kuhlemann, “Model Generator for Water Distribution Systems,” in Operations Research Proceedings, Cham, 2018."},"language":[{"iso":"eng"}]},{"file":[{"relation":"main_file","content_type":"application/pdf","date_updated":"2021-08-13T13:55:29Z","file_id":"6024","creator":"hsiemes","file_size":732005,"access_level":"closed","date_created":"2018-12-07T11:30:25Z","file_name":"aziz_rauchecker_schryen_walsh.pdf"},{"date_created":"2021-08-13T13:55:14Z","file_name":"10582-Article Text-14110-1-2-20201228.pdf","access_level":"open_access","file_size":738751,"file_id":"23394","creator":"hsiemes","content_type":"application/pdf","date_updated":"2021-08-13T13:55:14Z","relation":"main_file"}],"file_date_updated":"2021-08-13T13:55:29Z","publication":"Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17)","author":[{"last_name":"Aziz","full_name":"Aziz, Haris","first_name":"Haris"},{"last_name":"Rauchecker","first_name":"Gerhard","full_name":"Rauchecker, Gerhard"},{"last_name":"Schryen","id":"72850","first_name":"Guido","full_name":"Schryen, Guido"},{"last_name":"Walsh","full_name":"Walsh, Toby","first_name":"Toby"}],"date_created":"2018-11-14T15:49:54Z","status":"public","has_accepted_license":"1","volume":31,"abstract":[{"lang":"eng","text":"We consider Max-min Share (MmS) fair allocations of indivisible chores (items with negative utilities). We show that allocation of chores and classical allocation of goods (items with positive utilities) have some fundamental connections but also differences which prevent a straightforward application of algorithms for goods in the chores setting and viceversa. We prove that an MmS allocation does not need to exist for chores and computing an MmS allocation - if it exists - is strongly NP-hard. In view of these non-existence and complexity results, we present a polynomial-time 2-approximation algorithm for MmS fairness for chores. We then introduce a new fairness concept called optimal MmS that represents the best possible allocation in terms of MmS that is guaranteed to exist. We use connections to parallel machine scheduling to give (1) a polynomial-time approximation scheme for computing an optimal MmS allocation when the number of agents is fixed and (2) an effective and efficient heuristic with an ex-post worst-case analysis."}],"extern":"1","user_id":"61579","ddc":["000"],"page":"1-7","type":"conference","year":"2017","citation":{"bibtex":"@inproceedings{Aziz_Rauchecker_Schryen_Walsh_2017, title={Algorithms for Max-Min Share Fair Allocation of Indivisible Chores}, volume={31}, number={1}, booktitle={Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17)}, author={Aziz, Haris and Rauchecker, Gerhard and Schryen, Guido and Walsh, Toby}, year={2017}, pages={1–7} }","mla":"Aziz, Haris, et al. “Algorithms for Max-Min Share Fair Allocation of Indivisible Chores.” Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17), vol. 31, no. 1, 2017, pp. 1–7.","chicago":"Aziz, Haris, Gerhard Rauchecker, Guido Schryen, and Toby Walsh. “Algorithms for Max-Min Share Fair Allocation of Indivisible Chores.” In Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17), 31:1–7, 2017.","ama":"Aziz H, Rauchecker G, Schryen G, Walsh T. Algorithms for Max-Min Share Fair Allocation of Indivisible Chores. In: Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17). Vol 31. ; 2017:1-7.","apa":"Aziz, H., Rauchecker, G., Schryen, G., & Walsh, T. (2017). Algorithms for Max-Min Share Fair Allocation of Indivisible Chores. In Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17) (Vol. 31, pp. 1–7). San Francisco, CA, USA.","ieee":"H. Aziz, G. Rauchecker, G. Schryen, and T. Walsh, “Algorithms for Max-Min Share Fair Allocation of Indivisible Chores,” in Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17), San Francisco, CA, USA, 2017, vol. 31, no. 1, pp. 1–7.","short":"H. Aziz, G. Rauchecker, G. Schryen, T. Walsh, in: Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17), 2017, pp. 1–7."},"conference":{"name":"Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17)","location":"San Francisco, CA, USA"},"intvolume":" 31","_id":"5692","issue":"1","department":[{"_id":"277"}],"title":"Algorithms for Max-Min Share Fair Allocation of Indivisible Chores","language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:02:35Z","oa":"1"},{"language":[{"iso":"eng"}],"oa":"1","date_updated":"2022-01-06T07:02:05Z","department":[{"_id":"277"}],"title":"Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study","year":"2017","type":"conference","citation":{"ieee":"G. Wagner, J. Prester, and G. Schryen, “Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study,” in 38th International Conference on Information Systems, Seoul, South Korea, 2017.","short":"G. Wagner, J. Prester, G. Schryen, in: 38th International Conference on Information Systems, 2017.","bibtex":"@inproceedings{Wagner_Prester_Schryen_2017, title={Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study}, booktitle={38th International Conference on Information Systems}, author={Wagner, Gerit and Prester, Julian and Schryen, Guido}, year={2017} }","mla":"Wagner, Gerit, et al. “Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study.” 38th International Conference on Information Systems, 2017.","ama":"Wagner G, Prester J, Schryen G. Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study. In: 38th International Conference on Information Systems. ; 2017.","apa":"Wagner, G., Prester, J., & Schryen, G. (2017). Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study. In 38th International Conference on Information Systems. Seoul, South Korea.","chicago":"Wagner, Gerit, Julian Prester, and Guido Schryen. “Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study.” In 38th International Conference on Information Systems, 2017."},"conference":{"name":"38th International Conference on Information Systems","location":"Seoul, South Korea"},"_id":"5594","date_created":"2018-11-14T11:33:56Z","has_accepted_license":"1","status":"public","file":[{"file_size":223790,"creator":"hsiemes","file_id":"6026","date_updated":"2018-12-13T15:07:05Z","content_type":"application/pdf","relation":"main_file","file_name":"ICIS2017-Revision.pdf","date_created":"2018-12-07T11:31:37Z","access_level":"open_access"}],"publication":"38th International Conference on Information Systems","file_date_updated":"2018-12-13T15:07:05Z","author":[{"full_name":"Wagner, Gerit","first_name":"Gerit","last_name":"Wagner"},{"first_name":"Julian","full_name":"Prester, Julian","last_name":"Prester"},{"id":"72850","last_name":"Schryen","full_name":"Schryen, Guido","first_name":"Guido"}],"user_id":"61579","ddc":["000"],"abstract":[{"text":"Design science is a fundamental research stream that contends its position in the information systems discipline. While ongoing debates address the relative importance of design science contributions in the information systems community, insights into the scientific impact of design science research (DSR) are missing and this lack of understanding arguably poses challenges to an informed discourse. To identify the most influential papers and those factors that explain their scientific impact, this paper presents an exploratory study of the scientific impact of DSR papers published in the AIS Senior Scholars' Basket of Journals. We uncover the current DSR landscape by taking stock of influential papers and theories and develop a model to explain the scientific impact of DSR papers. Our findings show that scientific impact is significantly explained by theorization and novelty. We discuss how the implications of our work can be projected on the overarching discourse on DSR.","lang":"eng"}],"extern":"1"},{"type":"journal_article","citation":{"bibtex":"@article{Schryen_Hristova_2017, title={High-Performance Business Computing - Effizienzsteigerung durch Parallelisierung}, journal={Smart Data Radar (Deutsche Bank)}, author={Schryen, Guido and Hristova, Diana}, year={2017} }","mla":"Schryen, Guido, and Diana Hristova. “High-Performance Business Computing - Effizienzsteigerung Durch Parallelisierung.” Smart Data Radar (Deutsche Bank), 2017.","chicago":"Schryen, Guido, and Diana Hristova. “High-Performance Business Computing - Effizienzsteigerung Durch Parallelisierung.” Smart Data Radar (Deutsche Bank), 2017.","apa":"Schryen, G., & Hristova, D. (2017). High-Performance Business Computing - Effizienzsteigerung durch Parallelisierung. Smart Data Radar (Deutsche Bank).","ama":"Schryen G, Hristova D. High-Performance Business Computing - Effizienzsteigerung durch Parallelisierung. Smart Data Radar (Deutsche Bank). 2017.","ieee":"G. Schryen and D. Hristova, “High-Performance Business Computing - Effizienzsteigerung durch Parallelisierung,” Smart Data Radar (Deutsche Bank), 2017.","short":"G. Schryen, D. Hristova, Smart Data Radar (Deutsche Bank) (2017)."},"year":"2017","language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:02:13Z","_id":"5626","date_created":"2018-11-14T14:17:44Z","status":"public","department":[{"_id":"277"}],"publication":"Smart Data Radar (Deutsche Bank)","author":[{"full_name":"Schryen, Guido","first_name":"Guido","id":"72850","last_name":"Schryen"},{"full_name":"Hristova, Diana","first_name":"Diana","last_name":"Hristova"}],"title":"High-Performance Business Computing - Effizienzsteigerung durch Parallelisierung","user_id":"61579","extern":"1"},{"department":[{"_id":"277"}],"publication_identifier":{"issn":["1529-3181"]},"title":"Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields?","language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:02:14Z","oa":"1","file_date_updated":"2018-12-13T15:07:15Z","publication":"Communications of the AIS","keyword":["Literature Review","Review Methodology","Research Methodology","Doctoral Training"],"publisher":"Association for Information Systems (AIS)","author":[{"first_name":"Guido","full_name":"Schryen, Guido","last_name":"Schryen","id":"72850"},{"first_name":"Alexander","full_name":"Benlian, Alexander","last_name":"Benlian"},{"first_name":"Frantz","full_name":"Rowe, Frantz","last_name":"Rowe"},{"first_name":"Gregor","full_name":"Shirley, Gregor","last_name":"Shirley"},{"first_name":"Kai","full_name":"Larsen, Kai","last_name":"Larsen"},{"last_name":"Petter","full_name":"Petter, Stacie","first_name":"Stacie"},{"first_name":"Guy","full_name":"Par{\\'e}, Guy","last_name":"Par{\\'e}"},{"first_name":"Gerit","full_name":"Wagner, Gerit","last_name":"Wagner"},{"full_name":"Haag, Steffi","first_name":"Steffi","last_name":"Haag"},{"last_name":"Yasasin","first_name":"Emrah","full_name":"Yasasin, Emrah"}],"file":[{"file_id":"6027","creator":"hsiemes","file_size":361850,"relation":"main_file","date_updated":"2018-12-13T15:07:15Z","content_type":"application/pdf","date_created":"2018-12-07T11:33:59Z","file_name":"Schryen et al. (forthcoming), Literature Reviews in IS Research, What Can Be Learnt from the Past and Other Fields, Communications of th.pdf","access_level":"open_access"}],"volume":40,"date_created":"2018-11-14T14:25:40Z","status":"public","has_accepted_license":"1","extern":"1","abstract":[{"lang":"eng","text":"Literature reviews (LRs) are recognized for their increasing impact in the information systems literature. Methodologists have drawn attention to the question of how we can leverage the value of LRs to preserve and generate knowledge. The panelists who participated in the discussion of ?Standalone Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields?? at ICIS 2016 in Dublin acknowledged this significant issue and debated a) what the IS field can learn from other fields and where IS-specific challenges occur, b) how the IS field should move forward to foster the genre of LRs, and c) what best practices are to train doctoral IS students in publishing LRs. This article reports the key takeaways of this panel discussion. Guidance for IS scholars is provided on how to conduct LRs that contribute to the cumulative knowledge development within and across the IS field to best prepare the next generation of IS scholars."}],"ddc":["000"],"user_id":"61579","page":"557 - 569","citation":{"short":"G. Schryen, A. Benlian, F. Rowe, G. Shirley, K. Larsen, S. Petter, G. Par{\\’e}, G. Wagner, S. Haag, E. Yasasin, Communications of the AIS 40 (2017) 557–569.","ieee":"G. Schryen et al., “Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields?,” Communications of the AIS, vol. 40, pp. 557–569, 2017.","ama":"Schryen G, Benlian A, Rowe F, et al. Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields? Communications of the AIS. 2017;40:557-569.","apa":"Schryen, G., Benlian, A., Rowe, F., Shirley, G., Larsen, K., Petter, S., … Yasasin, E. (2017). Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields? Communications of the AIS, 40, 557–569.","chicago":"Schryen, Guido, Alexander Benlian, Frantz Rowe, Gregor Shirley, Kai Larsen, Stacie Petter, Guy Par{\\’e}, Gerit Wagner, Steffi Haag, and Emrah Yasasin. “Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields?” Communications of the AIS 40 (2017): 557–69.","mla":"Schryen, Guido, et al. “Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields?” Communications of the AIS, vol. 40, Association for Information Systems (AIS), 2017, pp. 557–69.","bibtex":"@article{Schryen_Benlian_Rowe_Shirley_Larsen_Petter_Par{\\’e}_Wagner_Haag_Yasasin_2017, title={Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields?}, volume={40}, journal={Communications of the AIS}, publisher={Association for Information Systems (AIS)}, author={Schryen, Guido and Benlian, Alexander and Rowe, Frantz and Shirley, Gregor and Larsen, Kai and Petter, Stacie and Par{\\’e}, Guy and Wagner, Gerit and Haag, Steffi and Yasasin, Emrah}, year={2017}, pages={557–569} }"},"type":"journal_article","year":"2017","_id":"5633","intvolume":" 40"},{"department":[{"_id":"277"}],"title":"A configuration-based recommender system for supporting e-commerce decisions","language":[{"iso":"eng"}],"oa":"1","date_updated":"2022-01-06T07:02:27Z","volume":259,"has_accepted_license":"1","status":"public","date_created":"2018-11-14T15:06:18Z","publisher":"Elsevier","author":[{"last_name":"Scholz","full_name":"Scholz, Michael","first_name":"Michael"},{"full_name":"Dorner, Verena","first_name":"Verena","last_name":"Dorner"},{"last_name":"Schryen","id":"72850","first_name":"Guido","full_name":"Schryen, Guido"},{"first_name":"Alexander","full_name":"Benlian, Alexander","last_name":"Benlian"}],"file_date_updated":"2018-12-13T15:06:56Z","publication":"European Journal of Operational Research","keyword":["E-Commerce","Recommender System","Attribute Weights","Configuration System","Decision Support"],"file":[{"file_name":"EJOR article.pdf","date_created":"2018-12-07T11:30:59Z","access_level":"open_access","file_id":"6025","creator":"hsiemes","file_size":762889,"relation":"main_file","content_type":"application/pdf","date_updated":"2018-12-13T15:06:56Z"}],"ddc":["000"],"user_id":"61579","extern":"1","abstract":[{"text":"Multi-attribute value theory (MAVT)-based recommender systems have been proposed for dealing with issues of existing recommender systems, such as the cold-start problem and changing preferences. However, as we argue in this paper, existing MAVT-based methods for measuring attribute importance weights do not fit the shopping tasks for which recommender systems are typically used. These methods assume well-trained decision makers who are willing to invest time and cognitive effort, and who are familiar with the attributes describing the available alternatives and the ranges of these attribute levels. Yet, recommender systems are most often used by consumers who are usually not familiar with the available attributes and ranges and who wish to save time and effort. Against this background, we develop a new method, based on a product configuration process, which is tailored to the characteristics of these particular decision makers. We empirically compare our method to SWING, ranking-based conjoint analysis and TRADEOFF in a between-subjects laboratory experiment with 153 participants. Results indicate that our proposed method performs better than TRADEOFF and CONJOINT and at least as well as SWING in terms of recommendation accuracy, better than SWING and TRADEOFF and at least as well as CONJOINT in terms of cognitive load, and that participants were faster with our method than with any other method. We conclude that our method is a promising option to help support consumers' decision processes in e-commerce shopping tasks.","lang":"eng"}],"type":"journal_article","year":"2017","citation":{"ieee":"M. Scholz, V. Dorner, G. Schryen, and A. Benlian, “A configuration-based recommender system for supporting e-commerce decisions,” European Journal of Operational Research, vol. 259, no. 1, pp. 205–215, 2017.","short":"M. Scholz, V. Dorner, G. Schryen, A. Benlian, European Journal of Operational Research 259 (2017) 205–215.","bibtex":"@article{Scholz_Dorner_Schryen_Benlian_2017, title={A configuration-based recommender system for supporting e-commerce decisions}, volume={259}, number={1}, journal={European Journal of Operational Research}, publisher={Elsevier}, author={Scholz, Michael and Dorner, Verena and Schryen, Guido and Benlian, Alexander}, year={2017}, pages={205–215} }","mla":"Scholz, Michael, et al. “A Configuration-Based Recommender System for Supporting e-Commerce Decisions.” European Journal of Operational Research, vol. 259, no. 1, Elsevier, 2017, pp. 205–15.","chicago":"Scholz, Michael, Verena Dorner, Guido Schryen, and Alexander Benlian. “A Configuration-Based Recommender System for Supporting e-Commerce Decisions.” European Journal of Operational Research 259, no. 1 (2017): 205–15.","apa":"Scholz, M., Dorner, V., Schryen, G., & Benlian, A. (2017). A configuration-based recommender system for supporting e-commerce decisions. European Journal of Operational Research, 259(1), 205–215.","ama":"Scholz M, Dorner V, Schryen G, Benlian A. A configuration-based recommender system for supporting e-commerce decisions. European Journal of Operational Research. 2017;259(1):205-215."},"page":"205 - 215","issue":"1","_id":"5671","intvolume":" 259"},{"place":"Cham","user_id":"1112","title":"Simulating Storage Policies for an Automated Grid-Based Warehouse System","author":[{"full_name":"Beckschäfer, Michaela","first_name":"Michaela","id":"32439","last_name":"Beckschäfer"},{"full_name":"Malberg, Simon","first_name":"Simon","last_name":"Malberg"},{"last_name":"Tierney","full_name":"Tierney, Kevin","first_name":"Kevin"},{"first_name":"Christoph","full_name":"Weskamp, Christoph","last_name":"Weskamp"}],"publication":"Lecture Notes in Computer Science","department":[{"_id":"277"}],"status":"public","date_created":"2019-11-08T08:15:11Z","publication_status":"published","publication_identifier":{"issn":["0302-9743","1611-3349"],"isbn":["9783319684956","9783319684963"]},"_id":"14857","date_updated":"2022-01-06T06:52:08Z","doi":"10.1007/978-3-319-68496-3_31","language":[{"iso":"eng"}],"year":"2017","type":"book_chapter","citation":{"ieee":"M. Beckschäfer, S. Malberg, K. Tierney, and C. Weskamp, “Simulating Storage Policies for an Automated Grid-Based Warehouse System,” in Lecture Notes in Computer Science, Cham, 2017.","short":"M. Beckschäfer, S. Malberg, K. Tierney, C. Weskamp, in: Lecture Notes in Computer Science, Cham, 2017.","mla":"Beckschäfer, Michaela, et al. “Simulating Storage Policies for an Automated Grid-Based Warehouse System.” Lecture Notes in Computer Science, 2017, doi:10.1007/978-3-319-68496-3_31.","bibtex":"@inbook{Beckschäfer_Malberg_Tierney_Weskamp_2017, place={Cham}, title={Simulating Storage Policies for an Automated Grid-Based Warehouse System}, DOI={10.1007/978-3-319-68496-3_31}, booktitle={Lecture Notes in Computer Science}, author={Beckschäfer, Michaela and Malberg, Simon and Tierney, Kevin and Weskamp, Christoph}, year={2017} }","chicago":"Beckschäfer, Michaela, Simon Malberg, Kevin Tierney, and Christoph Weskamp. “Simulating Storage Policies for an Automated Grid-Based Warehouse System.” In Lecture Notes in Computer Science. Cham, 2017. https://doi.org/10.1007/978-3-319-68496-3_31.","ama":"Beckschäfer M, Malberg S, Tierney K, Weskamp C. Simulating Storage Policies for an Automated Grid-Based Warehouse System. In: Lecture Notes in Computer Science. Cham; 2017. doi:10.1007/978-3-319-68496-3_31","apa":"Beckschäfer, M., Malberg, S., Tierney, K., & Weskamp, C. (2017). Simulating Storage Policies for an Automated Grid-Based Warehouse System. In Lecture Notes in Computer Science. Cham. https://doi.org/10.1007/978-3-319-68496-3_31"}},{"oa":"1","date_updated":"2022-01-06T07:02:29Z","language":[{"iso":"eng"}],"title":"Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer","department":[{"_id":"277"}],"intvolume":" 23","_id":"5676","year":"2016","type":"journal_article","citation":{"bibtex":"@article{Rauchecker_Schryen_2016, title={Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer}, volume={23}, journal={Im Einsatz}, publisher={Stumpf & Kossendey}, author={Rauchecker, Gerhard and Schryen, Guido}, year={2016}, pages={44–46} }","mla":"Rauchecker, Gerhard, and Guido Schryen. “Projekt KUBAS: Koordination Ungebundener Vor-Ort-Helfer.” Im Einsatz, vol. 23, Stumpf & Kossendey, 2016, pp. 44–46.","apa":"Rauchecker, G., & Schryen, G. (2016). Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer. Im Einsatz, 23, 44–46.","ama":"Rauchecker G, Schryen G. Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer. Im Einsatz. 2016;23:44-46.","chicago":"Rauchecker, Gerhard, and Guido Schryen. “Projekt KUBAS: Koordination Ungebundener Vor-Ort-Helfer.” Im Einsatz 23 (2016): 44–46.","ieee":"G. Rauchecker and G. Schryen, “Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer,” Im Einsatz, vol. 23, pp. 44–46, 2016.","short":"G. Rauchecker, G. Schryen, Im Einsatz 23 (2016) 44–46."},"page":"44-46","user_id":"61579","ddc":["000"],"extern":"1","has_accepted_license":"1","status":"public","date_created":"2018-11-14T15:36:29Z","volume":23,"file":[{"date_created":"2018-12-07T11:37:52Z","file_name":"44-46_Rauchecker_IE_5-2016.pdf","access_level":"open_access","file_id":"6028","creator":"hsiemes","file_size":1068832,"relation":"main_file","date_updated":"2018-12-13T15:07:24Z","content_type":"application/pdf"}],"publisher":"Stumpf & Kossendey","author":[{"last_name":"Rauchecker","first_name":"Gerhard","full_name":"Rauchecker, Gerhard"},{"id":"72850","last_name":"Schryen","full_name":"Schryen, Guido","first_name":"Guido"}],"file_date_updated":"2018-12-13T15:07:24Z","publication":"Im Einsatz"},{"file":[{"file_name":"ICIS2016 - Factors Affecting the Scientific Impact of Literature Reviews.pdf","date_created":"2018-12-07T11:38:41Z","access_level":"open_access","file_size":725409,"creator":"hsiemes","file_id":"6030","content_type":"application/pdf","date_updated":"2018-12-13T15:08:15Z","relation":"main_file"}],"author":[{"last_name":"Wagner","first_name":"Gerit","full_name":"Wagner, Gerit"},{"first_name":"Julian","full_name":"Prester, Julian","last_name":"Prester"},{"full_name":"Roche, Maria","first_name":"Maria","last_name":"Roche"},{"last_name":"Benlian","first_name":"Alexander","full_name":"Benlian, Alexander"},{"first_name":"Guido","full_name":"Schryen, Guido","last_name":"Schryen","id":"72850"}],"file_date_updated":"2018-12-13T15:08:15Z","department":[{"_id":"277"}],"publication":"International Conference on Information Systems","status":"public","has_accepted_license":"1","date_created":"2018-11-14T11:34:31Z","extern":"1","user_id":"61579","title":"Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study","ddc":["000"],"language":[{"iso":"eng"}],"citation":{"bibtex":"@inproceedings{Wagner_Prester_Roche_Benlian_Schryen_2016, title={Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study}, booktitle={International Conference on Information Systems}, author={Wagner, Gerit and Prester, Julian and Roche, Maria and Benlian, Alexander and Schryen, Guido}, year={2016} }","mla":"Wagner, Gerit, et al. “Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study.” International Conference on Information Systems, 2016.","chicago":"Wagner, Gerit, Julian Prester, Maria Roche, Alexander Benlian, and Guido Schryen. “Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study.” In International Conference on Information Systems, 2016.","ama":"Wagner G, Prester J, Roche M, Benlian A, Schryen G. Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study. In: International Conference on Information Systems. ; 2016.","apa":"Wagner, G., Prester, J., Roche, M., Benlian, A., & Schryen, G. (2016). Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study. In International Conference on Information Systems.","ieee":"G. Wagner, J. Prester, M. Roche, A. Benlian, and G. Schryen, “Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study,” in International Conference on Information Systems, 2016.","short":"G. Wagner, J. Prester, M. Roche, A. Benlian, G. Schryen, in: International Conference on Information Systems, 2016."},"type":"conference","year":"2016","_id":"5595","date_updated":"2022-01-06T07:02:05Z","oa":"1"},{"title":"Development of two novel face-recognition CAPTCHAs: a security and usability study","department":[{"_id":"277"}],"date_updated":"2022-01-06T07:02:10Z","oa":"1","language":[{"iso":"eng"}],"abstract":[{"lang":"eng","text":"CAPTCHAs are challenge-response tests that aim at preventing unwanted machines, including bots, from accessing web services while providing easy access for humans. Recent advances in artificial-intelligence based attacks show that the level of security provided by many state-of-the-art text-based CAPTCHAs is declining. At the same time, techniques for distorting and obscuring the text, which are used to maintain the level of security, make text-based CAPTCHAs diffcult to solve for humans, and thereby further degrade usability. The need for developing alternative types of CAPTCHAs which improve both, the current security and usability levels, has been emphasized by several researchers. With this study, we contribute to research through (1) the development of two new face recognition CAPTCHAs (Farett-Gender and Farett-Gender&Age), (2) the security analysis of both procedures, and (3) the provision of empirical evidence that one of the suggested CAPTCHAs (Farett-Gender) is similar to Google's reCAPTCHA and better than KCAPTCHA concerning effectiveness (error rates), superior to both regarding learnability and satisfaction but not effciency."}],"extern":"1","user_id":"61579","ddc":["000"],"file":[{"file_name":"cose_991_final.pdf","date_created":"2018-12-07T11:38:19Z","access_level":"open_access","file_id":"6029","creator":"hsiemes","file_size":2983143,"relation":"main_file","date_updated":"2018-12-13T15:07:36Z","content_type":"application/pdf"}],"author":[{"first_name":"Guido","full_name":"Schryen, Guido","last_name":"Schryen","id":"72850"},{"first_name":"Gerit","full_name":"Wagner, Gerit","last_name":"Wagner"},{"full_name":"Schlegel, Alexander","first_name":"Alexander","last_name":"Schlegel"}],"publisher":"Elsevier","keyword":["CAPTCHA","Usability","Facial features","Gender classiffcation","Age classification","Face recognition reverse Turing test"],"publication":"Computers & Security","file_date_updated":"2018-12-13T15:07:36Z","status":"public","has_accepted_license":"1","date_created":"2018-11-14T14:00:47Z","volume":60,"intvolume":" 60","_id":"5617","issue":"July","year":"2016","citation":{"ieee":"G. Schryen, G. Wagner, and A. Schlegel, “Development of two novel face-recognition CAPTCHAs: a security and usability study,” Computers & Security, vol. 60, no. July, pp. 95–116, 2016.","short":"G. Schryen, G. Wagner, A. Schlegel, Computers & Security 60 (2016) 95–116.","bibtex":"@article{Schryen_Wagner_Schlegel_2016, title={Development of two novel face-recognition CAPTCHAs: a security and usability study}, volume={60}, number={July}, journal={Computers & Security}, publisher={Elsevier}, author={Schryen, Guido and Wagner, Gerit and Schlegel, Alexander}, year={2016}, pages={95–116} }","mla":"Schryen, Guido, et al. “Development of Two Novel Face-Recognition CAPTCHAs: A Security and Usability Study.” Computers & Security, vol. 60, no. July, Elsevier, 2016, pp. 95–116.","chicago":"Schryen, Guido, Gerit Wagner, and Alexander Schlegel. “Development of Two Novel Face-Recognition CAPTCHAs: A Security and Usability Study.” Computers & Security 60, no. July (2016): 95–116.","apa":"Schryen, G., Wagner, G., & Schlegel, A. (2016). Development of two novel face-recognition CAPTCHAs: a security and usability study. Computers & Security, 60(July), 95–116.","ama":"Schryen G, Wagner G, Schlegel A. Development of two novel face-recognition CAPTCHAs: a security and usability study. Computers & Security. 2016;60(July):95-116."},"type":"journal_article","page":"95-116"},{"_id":"5678","citation":{"ieee":"G. Rauchecker and G. Schryen, “High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic,” in Australasian Conference on Information Systems, 2015, pp. 1–13.","short":"G. Rauchecker, G. Schryen, in: Australasian Conference on Information Systems, 2015, pp. 1–13.","bibtex":"@inproceedings{Rauchecker_Schryen_2015, title={High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic}, booktitle={Australasian Conference on Information Systems}, author={Rauchecker, Gerhard and Schryen, Guido}, year={2015}, pages={1–13} }","mla":"Rauchecker, Gerhard, and Guido Schryen. “High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic.” Australasian Conference on Information Systems, 2015, pp. 1–13.","chicago":"Rauchecker, Gerhard, and Guido Schryen. “High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic.” In Australasian Conference on Information Systems, 1–13, 2015.","ama":"Rauchecker G, Schryen G. High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic. In: Australasian Conference on Information Systems. ; 2015:1-13.","apa":"Rauchecker, G., & Schryen, G. (2015). High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic. In Australasian Conference on Information Systems (pp. 1–13)."},"year":"2015","type":"conference","page":"1-13","user_id":"61579","ddc":["000"],"abstract":[{"lang":"eng","text":"Many academic disciplines - including information systems, computer science, and operations management - face scheduling problems as important decision making tasks. Since many scheduling problems are NP-hard in the strong sense, there is a need for developing solution heuristics. For scheduling problems with setup times on unrelated parallel machines, there is limited research on solution methods and to the best of our knowledge, parallel computer architectures have not yet been taken advantage of. We address this gap by proposing and implementing a new solution heuristic and by testing different parallelization strategies. In our computational experiments, we show that our heuristic calculates near-optimal solutions even for large instances and that computing time can be reduced substantially by our parallelization approach."}],"extern":"1","has_accepted_license":"1","status":"public","date_created":"2018-11-14T15:39:50Z","file":[{"creator":"hsiemes","file_id":"6031","file_size":6771871,"relation":"main_file","content_type":"application/pdf","date_updated":"2018-12-13T15:08:28Z","file_name":"ACIS_2015_paper_7.pdf","date_created":"2018-12-07T11:40:18Z","access_level":"open_access"}],"author":[{"last_name":"Rauchecker","full_name":"Rauchecker, Gerhard","first_name":"Gerhard"},{"last_name":"Schryen","id":"72850","first_name":"Guido","full_name":"Schryen, Guido"}],"file_date_updated":"2018-12-13T15:08:28Z","publication":"Australasian Conference on Information Systems","keyword":["scheduling","decision support","heuristic","high performance computing","parallel algorithms"],"oa":"1","date_updated":"2022-01-06T07:02:30Z","language":[{"iso":"eng"}],"title":"High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic","department":[{"_id":"277"}]},{"intvolume":" 244","_id":"5679","issue":"2","citation":{"ieee":"T. Püschel, G. Schryen, D. Hristova, and D. Neumann, “Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-probabilistic Uncertainty,” European Journal of Operational Research, vol. 244, no. 2, pp. 637–647, 2015.","short":"T. Püschel, G. Schryen, D. Hristova, D. Neumann, European Journal of Operational Research 244 (2015) 637–647.","mla":"Püschel, Tim, et al. “Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-Probabilistic Uncertainty.” European Journal of Operational Research, vol. 244, no. 2, Elsevier, 2015, pp. 637–47.","bibtex":"@article{Püschel_Schryen_Hristova_Neumann_2015, title={Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-probabilistic Uncertainty}, volume={244}, number={2}, journal={European Journal of Operational Research}, publisher={Elsevier}, author={Püschel, Tim and Schryen, Guido and Hristova, Diana and Neumann, Dirk}, year={2015}, pages={637–647} }","apa":"Püschel, T., Schryen, G., Hristova, D., & Neumann, D. (2015). Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-probabilistic Uncertainty. European Journal of Operational Research, 244(2), 637–647.","ama":"Püschel T, Schryen G, Hristova D, Neumann D. Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-probabilistic Uncertainty. European Journal of Operational Research. 2015;244(2):637-647.","chicago":"Püschel, Tim, Guido Schryen, Diana Hristova, and Dirk Neumann. “Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-Probabilistic Uncertainty.” European Journal of Operational Research 244, no. 2 (2015): 637–47."},"type":"journal_article","year":"2015","page":"637-647","extern":"1","abstract":[{"lang":"eng","text":"Cloud computing promises the flexible delivery of computing services in a pay-as-you-go manner. It allows customers to easily scale their infrastructure and save on the overall cost of operation. However Cloud service offerings can only thrive if customers are satisfied with service performance. Allow-ing instantaneous access and flexible scaling while maintaining the service levels and offering competitive prices poses a significant challenge to Cloud Computing providers. Furthermore services will remain available in the long run only if this business generates a stable revenue stream. To address these challenges we introduce novel policy-based service admission control mod-els that aim at maximizing the revenue of Cloud providers while taking in-formational uncertainty regarding resource requirements into account. Our evaluation shows that policy-based approaches statistically significantly out-perform first come first serve approaches, which are still state of the art. Furthermore the results give insights in how and to what extent uncertainty has a negative impact on revenue."}],"ddc":["000"],"user_id":"61579","author":[{"first_name":"Tim","full_name":"Püschel, Tim","last_name":"Püschel"},{"last_name":"Schryen","id":"72850","first_name":"Guido","full_name":"Schryen, Guido"},{"last_name":"Hristova","full_name":"Hristova, Diana","first_name":"Diana"},{"full_name":"Neumann, Dirk","first_name":"Dirk","last_name":"Neumann"}],"publisher":"Elsevier","file_date_updated":"2018-12-13T15:09:12Z","publication":"European Journal of Operational Research","keyword":["admission control","informational uncertainty","revenue management","cloud computing"],"file":[{"access_level":"open_access","file_name":"ELSEVIER_JOURNAL_VERSION.pdf","date_created":"2018-12-07T11:44:10Z","content_type":"application/pdf","date_updated":"2018-12-13T15:09:12Z","relation":"main_file","file_size":1270024,"creator":"hsiemes","file_id":"6036"}],"volume":244,"has_accepted_license":"1","status":"public","date_created":"2018-11-14T15:40:13Z","date_updated":"2022-01-06T07:02:30Z","oa":"1","language":[{"iso":"eng"}],"title":"Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-probabilistic Uncertainty","department":[{"_id":"277"}]},{"has_accepted_license":"1","status":"public","date_created":"2018-11-13T14:45:25Z","author":[{"full_name":"Yasasin, Emrah","first_name":"Emrah","last_name":"Yasasin"},{"id":"72850","last_name":"Schryen","full_name":"Schryen, Guido","first_name":"Guido"}],"file_date_updated":"2018-12-13T15:08:50Z","department":[{"_id":"277"}],"publication":"23rd European Conference on Information Systems (ECIS 2015)","file":[{"file_name":"ECIS - Proceedings version1.pdf","date_created":"2018-12-07T11:43:06Z","access_level":"open_access","file_size":669105,"creator":"hsiemes","file_id":"6034","date_updated":"2018-12-13T15:08:50Z","content_type":"application/pdf","relation":"main_file"}],"title":"Requirements for IT Security Metrics - An Argumentation Theory Based Approach","ddc":["000"],"user_id":"61579","extern":"1","citation":{"chicago":"Yasasin, Emrah, and Guido Schryen. “Requirements for IT Security Metrics - An Argumentation Theory Based Approach.” In 23rd European Conference on Information Systems (ECIS 2015), 2015.","apa":"Yasasin, E., & Schryen, G. (2015). Requirements for IT Security Metrics - An Argumentation Theory Based Approach. In 23rd European Conference on Information Systems (ECIS 2015).","ama":"Yasasin E, Schryen G. Requirements for IT Security Metrics - An Argumentation Theory Based Approach. In: 23rd European Conference on Information Systems (ECIS 2015). ; 2015.","mla":"Yasasin, Emrah, and Guido Schryen. “Requirements for IT Security Metrics - An Argumentation Theory Based Approach.” 23rd European Conference on Information Systems (ECIS 2015), 2015.","bibtex":"@inproceedings{Yasasin_Schryen_2015, title={Requirements for IT Security Metrics - An Argumentation Theory Based Approach}, booktitle={23rd European Conference on Information Systems (ECIS 2015)}, author={Yasasin, Emrah and Schryen, Guido}, year={2015} }","short":"E. Yasasin, G. Schryen, in: 23rd European Conference on Information Systems (ECIS 2015), 2015.","ieee":"E. Yasasin and G. Schryen, “Requirements for IT Security Metrics - An Argumentation Theory Based Approach,” in 23rd European Conference on Information Systems (ECIS 2015), 2015."},"type":"conference","year":"2015","language":[{"iso":"eng"}],"oa":"1","_id":"5541","date_updated":"2022-01-06T07:01:58Z"},{"type":"conference","year":"2015","citation":{"bibtex":"@inproceedings{Weishäupl_Yasasin_Schryen_2015, title={A Multi-Theoretical Literature Review on Information Security Investments using the Resource-Based View and the Organizational Learning Theory}, booktitle={International Conference on Information Systems}, author={Weishäupl, Eva and Yasasin, Emrah and Schryen, Guido}, year={2015} }","mla":"Weishäupl, Eva, et al. “A Multi-Theoretical Literature Review on Information Security Investments Using the Resource-Based View and the Organizational Learning Theory.” International Conference on Information Systems, 2015.","chicago":"Weishäupl, Eva, Emrah Yasasin, and Guido Schryen. “A Multi-Theoretical Literature Review on Information Security Investments Using the Resource-Based View and the Organizational Learning Theory.” In International Conference on Information Systems, 2015.","apa":"Weishäupl, E., Yasasin, E., & Schryen, G. (2015). A Multi-Theoretical Literature Review on Information Security Investments using the Resource-Based View and the Organizational Learning Theory. In International Conference on Information Systems.","ama":"Weishäupl E, Yasasin E, Schryen G. A Multi-Theoretical Literature Review on Information Security Investments using the Resource-Based View and the Organizational Learning Theory. In: International Conference on Information Systems. ; 2015.","ieee":"E. Weishäupl, E. Yasasin, and G. Schryen, “A Multi-Theoretical Literature Review on Information Security Investments using the Resource-Based View and the Organizational Learning Theory,” in International Conference on Information Systems, 2015.","short":"E. Weishäupl, E. Yasasin, G. Schryen, in: International Conference on Information Systems, 2015."},"_id":"5588","has_accepted_license":"1","status":"public","date_created":"2018-11-14T11:25:38Z","author":[{"last_name":"Weishäupl","first_name":"Eva","full_name":"Weishäupl, Eva"},{"first_name":"Emrah","full_name":"Yasasin, Emrah","last_name":"Yasasin"},{"first_name":"Guido","full_name":"Schryen, Guido","last_name":"Schryen","id":"72850"}],"publication":"International Conference on Information Systems","file_date_updated":"2018-12-13T15:09:32Z","keyword":["Information Security","Investment","Literature review","Resource-based View","Organi-zational Learning Theory","Multi-theoretical Perspective"],"file":[{"file_size":958019,"creator":"hsiemes","file_id":"6038","content_type":"application/pdf","date_updated":"2018-12-13T15:09:32Z","relation":"main_file","date_created":"2018-12-07T11:45:31Z","file_name":"ICIS PROCEEDINGS PAPER - Security Investments.pdf","access_level":"open_access"}],"ddc":["000"],"user_id":"61579","extern":"1","abstract":[{"lang":"eng","text":"The protection of information technology (IT) has become and is predicted to remain a key economic challenge for organizations. While research on IT security investment is fast growing, it lacks a theoretical basis for structuring research, explaining economic-technological phenomena and guide future research. We address this shortcoming by suggesting a new theoretical model emerging from a multi-theoretical perspective adopt-ing the Resource-Based View and the Organizational Learning Theory. The joint appli-cation of these theories allows to conceptualize in one theoretical model the organiza-tional learning effects that occur when the protection of organizational resources through IT security countermeasures develops over time. We use this model of IT security invest-ments to synthesize findings of a large body of literature and to derive research gaps. We also discuss managerial implications of (closing) these gaps by providing practical ex-amples."}],"language":[{"iso":"eng"}],"oa":"1","date_updated":"2022-01-06T07:02:03Z","department":[{"_id":"277"}],"title":"A Multi-Theoretical Literature Review on Information Security Investments using the Resource-Based View and the Organizational Learning Theory"},{"language":[{"iso":"eng"}],"type":"conference","year":"2015","citation":{"chicago":"Weishäupl, Eva, Emrah Yasasin, and Guido Schryen. “IT Security Investments Through the Lens of the Resource-Based View: A New Theoretical Model and Literature Review.” In 23rd European Conference on Information Systems (ECIS 2015), 2015.","ama":"Weishäupl E, Yasasin E, Schryen G. IT Security Investments Through the Lens of the Resource-Based View: A new Theoretical Model and Literature Review. In: 23rd European Conference on Information Systems (ECIS 2015). ; 2015.","apa":"Weishäupl, E., Yasasin, E., & Schryen, G. (2015). IT Security Investments Through the Lens of the Resource-Based View: A new Theoretical Model and Literature Review. In 23rd European Conference on Information Systems (ECIS 2015).","bibtex":"@inproceedings{Weishäupl_Yasasin_Schryen_2015, title={IT Security Investments Through the Lens of the Resource-Based View: A new Theoretical Model and Literature Review}, booktitle={23rd European Conference on Information Systems (ECIS 2015)}, author={Weishäupl, Eva and Yasasin, Emrah and Schryen, Guido}, year={2015} }","mla":"Weishäupl, Eva, et al. “IT Security Investments Through the Lens of the Resource-Based View: A New Theoretical Model and Literature Review.” 23rd European Conference on Information Systems (ECIS 2015), 2015.","short":"E. Weishäupl, E. Yasasin, G. Schryen, in: 23rd European Conference on Information Systems (ECIS 2015), 2015.","ieee":"E. Weishäupl, E. Yasasin, and G. Schryen, “IT Security Investments Through the Lens of the Resource-Based View: A new Theoretical Model and Literature Review,” in 23rd European Conference on Information Systems (ECIS 2015), 2015."},"_id":"5589","date_updated":"2022-01-06T07:02:03Z","oa":"1","file":[{"relation":"main_file","content_type":"application/pdf","date_updated":"2018-12-13T15:09:01Z","creator":"hsiemes","file_id":"6035","file_size":334025,"access_level":"open_access","file_name":"ECIS - Proceedings version2.pdf","date_created":"2018-12-07T11:43:38Z"}],"department":[{"_id":"277"}],"publication":"23rd European Conference on Information Systems (ECIS 2015)","file_date_updated":"2018-12-13T15:09:01Z","author":[{"last_name":"Weishäupl","full_name":"Weishäupl, Eva","first_name":"Eva"},{"last_name":"Yasasin","full_name":"Yasasin, Emrah","first_name":"Emrah"},{"last_name":"Schryen","id":"72850","first_name":"Guido","full_name":"Schryen, Guido"}],"date_created":"2018-11-14T11:26:15Z","has_accepted_license":"1","status":"public","extern":"1","user_id":"61579","ddc":["000"],"title":"IT Security Investments Through the Lens of the Resource-Based View: A new Theoretical Model and Literature Review"},{"_id":"5590","year":"2015","citation":{"ieee":"E. Weishäupl et al., “Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory,” in 2nd International Workshop on Security in highly connected IT Systems (SHCIS?15), 2015.","short":"E. Weishäupl, M. Kunz, E. Yasasin, G. Wagner, J. Prester, G. Schryen, G. Pernul, in: 2nd International Workshop on Security in Highly Connected IT Systems (SHCIS?15), 2015.","bibtex":"@inproceedings{Weishäupl_Kunz_Yasasin_Wagner_Prester_Schryen_Pernul_2015, title={Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory}, booktitle={2nd International Workshop on Security in highly connected IT Systems (SHCIS?15)}, author={Weishäupl, Eva and Kunz, Michael and Yasasin, Emrah and Wagner, Gerit and Prester, Julian and Schryen, Guido and Pernul, Günther}, year={2015} }","mla":"Weishäupl, Eva, et al. “Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory.” 2nd International Workshop on Security in Highly Connected IT Systems (SHCIS?15), 2015.","chicago":"Weishäupl, Eva, Michael Kunz, Emrah Yasasin, Gerit Wagner, Julian Prester, Guido Schryen, and Günther Pernul. “Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory.” In 2nd International Workshop on Security in Highly Connected IT Systems (SHCIS?15), 2015.","apa":"Weishäupl, E., Kunz, M., Yasasin, E., Wagner, G., Prester, J., Schryen, G., & Pernul, G. (2015). Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory. In 2nd International Workshop on Security in highly connected IT Systems (SHCIS?15).","ama":"Weishäupl E, Kunz M, Yasasin E, et al. Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory. In: 2nd International Workshop on Security in Highly Connected IT Systems (SHCIS?15). ; 2015."},"type":"conference","user_id":"61579","ddc":["000"],"abstract":[{"text":"Nowadays, providing employees with failure-free access to various systems, applications and services is a crucial factor for organizations? success as disturbances potentially inhibit smooth workflows and thereby harm productivity. However, it is a challenging task to assign access rights to employees? accounts within a satisfying time frame. In addition, the management of multiple accounts and identities can be very onerous and time consuming for the responsible administrator and therefore expensive for the organization. In order to meet these challenges, firms decide to invest in introducing an Identity and Access Management System (IAMS) that supports the organization by using policies to assign permissions to accounts, groups, and roles. In practice, since various versions of IAMSs exist, it is a challenging task to decide upon introduction of an IAMS. The following study proposes a first attempt of a decision support model for practitioners which considers four alternatives: Introduction of an IAMS with Role-based Access Control RBAC) or without and no introduction of IAMS again with or without RBAC. To underpin the practical applicability of the proposed model, we parametrize and operationalize it based on a real world use case using input from an expert interview.","lang":"eng"}],"extern":"1","status":"public","has_accepted_license":"1","date_created":"2018-11-14T11:27:20Z","file":[{"date_created":"2018-12-07T11:46:28Z","file_name":"Towards an Economic Approach to IAMS.PDF","access_level":"open_access","creator":"hsiemes","file_id":"6040","file_size":166015,"relation":"main_file","date_updated":"2018-12-13T15:09:54Z","content_type":"application/pdf"}],"author":[{"first_name":"Eva","full_name":"Weishäupl, Eva","last_name":"Weishäupl"},{"full_name":"Kunz, Michael","first_name":"Michael","last_name":"Kunz"},{"last_name":"Yasasin","full_name":"Yasasin, Emrah","first_name":"Emrah"},{"full_name":"Wagner, Gerit","first_name":"Gerit","last_name":"Wagner"},{"first_name":"Julian","full_name":"Prester, Julian","last_name":"Prester"},{"full_name":"Schryen, Guido","first_name":"Guido","id":"72850","last_name":"Schryen"},{"first_name":"Günther","full_name":"Pernul, Günther","last_name":"Pernul"}],"keyword":["Identity and Access Management","Economic Decision Making","Information Systems","Information Security Investment","Decision Theory"],"publication":"2nd International Workshop on Security in highly connected IT Systems (SHCIS?15)","file_date_updated":"2018-12-13T15:09:54Z","oa":"1","date_updated":"2022-01-06T07:02:04Z","language":[{"iso":"eng"}],"title":"Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory","department":[{"_id":"277"}]},{"date_updated":"2022-01-06T07:02:09Z","oa":"1","language":[{"iso":"eng"}],"title":"IT-Sicherheit: Ökonomisch Planen und Bewerten","department":[{"_id":"277"}],"_id":"5616","issue":"2","page":"17-18","type":"journal_article","citation":{"short":"G. Schryen, E. Weishäupl, Managementkompass (2015) 17–18.","ieee":"G. Schryen and E. Weishäupl, “IT-Sicherheit: Ökonomisch Planen und Bewerten,” Managementkompass, no. 2, pp. 17–18, 2015.","apa":"Schryen, G., & Weishäupl, E. (2015). IT-Sicherheit: Ökonomisch Planen und Bewerten. Managementkompass, (2), 17–18.","ama":"Schryen G, Weishäupl E. IT-Sicherheit: Ökonomisch Planen und Bewerten. 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Yet, we observe a lack of theoretical underpinning of and epistemological insights into how literature reviews can contribute to knowledge creation and have actually contributed in the IS discipline. To address these theoretical and empirical research gaps, we suggest a novel epistemological model of literature reviews. This model allows us to align different contributions of literature reviews with their underlying knowledge conversions - thereby building a bridge between the previously largely unconnected fields of literature reviews and epistemology. We evaluate the appropriateness of the model by conducting an empirical analysis of 173 IS literature reviews which were published in 39 pertinent IS journals between 2000 and 2014. 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International Journal of Information Systems for Crisis Response and Management (IJISCRAM), 6(1).","mla":"Schryen, Guido, and Felix Wex. “Risk Reduction in Natural Disaster Management Through Information Systems: A Literature Review and an IS Design Science Research Agenda.” International Journal of Information Systems for Crisis Response and Management (IJISCRAM), vol. 6, no. 1, 2014.","bibtex":"@article{Schryen_Wex_2014, title={Risk Reduction in Natural Disaster Management Through Information Systems: A Literature review and an IS design science research agenda}, volume={6}, number={1}, journal={International Journal of Information Systems for Crisis Response and Management (IJISCRAM)}, author={Schryen, Guido and Wex, Felix}, year={2014} }","short":"G. Schryen, F. Wex, International Journal of Information Systems for Crisis Response and Management (IJISCRAM) 6 (2014).","ieee":"G. Schryen and F. Wex, “Risk Reduction in Natural Disaster Management Through Information Systems: A Literature review and an IS design science research agenda,” International Journal of Information Systems for Crisis Response and Management (IJISCRAM), vol. 6, no. 1, 2014."},"issue":"1","_id":"5614","intvolume":" 6","volume":6,"date_created":"2018-11-14T13:58:50Z","has_accepted_license":"1","status":"public","file_date_updated":"2018-12-13T15:11:05Z","keyword":["Natural Disaster Management","Risk Reduction","Hyogo Framework","IS Design Science","Literature review"],"publication":"International Journal of Information Systems for Crisis Response and Management (IJISCRAM)","author":[{"id":"72850","last_name":"Schryen","full_name":"Schryen, Guido","first_name":"Guido"},{"full_name":"Wex, Felix","first_name":"Felix","last_name":"Wex"}],"file":[{"file_id":"6044","creator":"hsiemes","file_size":2708161,"relation":"main_file","date_updated":"2018-12-13T15:11:05Z","content_type":"application/pdf","date_created":"2018-12-07T11:50:26Z","file_name":"Risk reduction in NDM - Revision 1.pdf","access_level":"open_access"}],"ddc":["000"],"user_id":"61579","extern":"1","abstract":[{"text":"Natural disasters, including earthquakes, Tsunamis, floods, hurricanes, and volcanic eruptions, have caused tremendous harm and continue to threaten millions of humans and various infrastructure capabilities each year. In their efforts to take countermeasures against the threats posed by future natural disasters, the United Nations formulated the ?Hyogo Framework for Action?, which aims at assessing and reducing risk. This framework and a global review of disaster reduction initiatives of the United Nations acknowledge the need for information systems research contributions in addressing major challenges of natural disaster management. In this paper, we provide a review of the literature with regard to how information systems research has addressed risk assessment and reduction in natural disaster management. Based on the review we identify research gaps that are centered around the need for acquiring general knowledge on how to design IS artifacts for risk assessment and reduction. In order to close these gaps in further research, we develop a research agenda that follows the IS design science paradigm.","lang":"eng"}]},{"title":"Duality in fuzzy linear programming: A survey","department":[{"_id":"277"}],"date_updated":"2022-01-06T07:02:13Z","oa":"1","language":[{"iso":"eng"}],"extern":"1","ddc":["000"],"user_id":"61579","publisher":"Springer","author":[{"first_name":"Guido","full_name":"Schryen, Guido","last_name":"Schryen","id":"72850"},{"full_name":"Hristova, Diana","first_name":"Diana","last_name":"Hristova"}],"publication":"OR -Spectrum","file_date_updated":"2018-12-13T15:11:40Z","file":[{"content_type":"application/pdf","date_updated":"2018-12-13T15:11:40Z","relation":"main_file","file_size":569417,"creator":"hsiemes","file_id":"6047","access_level":"open_access","date_created":"2018-12-07T11:53:04Z","file_name":"art_10.1007_s00291-013-0355-2(1).pdf"}],"volume":37,"has_accepted_license":"1","status":"public","date_created":"2018-11-14T14:18:28Z","_id":"5627","intvolume":" 37","issue":"1","year":"2014","type":"journal_article","citation":{"mla":"Schryen, Guido, and Diana Hristova. “Duality in Fuzzy Linear Programming: A Survey.” OR -Spectrum, vol. 37, no. 1, Springer, 2014, pp. 1–48.","bibtex":"@article{Schryen_Hristova_2014, title={Duality in fuzzy linear programming: A survey}, volume={37}, number={1}, journal={OR -Spectrum}, publisher={Springer}, author={Schryen, Guido and Hristova, Diana}, year={2014}, pages={1–48} }","ama":"Schryen G, Hristova D. 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PIK - Praxis Der Informationsverarbeitung Und Kommunikation, 36(3), 153–159.","bibtex":"@article{de Meer_Diener_Herkenhöner_Kucera_Niedermeier_Reisser_Schryen_Vetter_Waas_Yasasin_2013, title={Sicherheitsherausforderungen in hochverteilten Systemen}, volume={36}, number={3}, journal={PIK - Praxis der Informationsverarbeitung und Kommunikation}, publisher={de Gruyter}, author={de Meer, Hermann and Diener, Michael and Herkenhöner, Ralph and Kucera, Markus and Niedermeier, Michael and Reisser, Andreas and Schryen, Guido and Vetter, Michael and Waas, Thomas and Yasasin, Emrah}, year={2013}, pages={153–159} }","mla":"de Meer, Hermann, et al. “Sicherheitsherausforderungen in Hochverteilten Systemen.” PIK - Praxis Der Informationsverarbeitung Und Kommunikation, vol. 36, no. 3, de Gruyter, 2013, pp. 153–59."},"type":"journal_article","year":"2013","page":"153-159","user_id":"61579","ddc":["000"],"extern":"1","has_accepted_license":"1","status":"public","date_created":"2018-11-14T15:43:13Z","volume":36,"file":[{"access_level":"open_access","file_name":"pik-2013-0015.pdf","date_created":"2018-12-07T12:01:06Z","date_updated":"2018-12-13T15:12:17Z","content_type":"application/pdf","relation":"main_file","file_size":203924,"file_id":"6050","creator":"hsiemes"}],"author":[{"first_name":"Hermann","full_name":"de Meer, Hermann","last_name":"de Meer"},{"full_name":"Diener, Michael","first_name":"Michael","last_name":"Diener"},{"first_name":"Ralph","full_name":"Herkenhöner, Ralph","last_name":"Herkenhöner"},{"last_name":"Kucera","first_name":"Markus","full_name":"Kucera, Markus"},{"first_name":"Michael","full_name":"Niedermeier, Michael","last_name":"Niedermeier"},{"last_name":"Reisser","first_name":"Andreas","full_name":"Reisser, Andreas"},{"first_name":"Guido","full_name":"Schryen, Guido","last_name":"Schryen","id":"72850"},{"last_name":"Vetter","full_name":"Vetter, Michael","first_name":"Michael"},{"first_name":"Thomas","full_name":"Waas, Thomas","last_name":"Waas"},{"full_name":"Yasasin, Emrah","first_name":"Emrah","last_name":"Yasasin"}],"publisher":"de Gruyter","file_date_updated":"2018-12-13T15:12:17Z","publication":"PIK - Praxis der Informationsverarbeitung und Kommunikation","oa":"1","date_updated":"2022-01-06T07:02:32Z","language":[{"iso":"eng"}],"title":"Sicherheitsherausforderungen in hochverteilten Systemen","department":[{"_id":"277"}]},{"citation":{"mla":"Wex, Felix, and Guido Schryen. “Effektiver Einsatz von Rettungskräften Bei Naturkatastrophen - Modelle Und Verfahren Zur Entscheidungsunterstützung.” Blick in Die Wissenschaft, no. 28, 2013, pp. 27–32.","bibtex":"@article{Wex_Schryen_2013, title={Effektiver Einsatz von Rettungskräften bei Naturkatastrophen - Modelle und Verfahren zur Entscheidungsunterstützung}, number={28}, journal={Blick in die Wissenschaft}, author={Wex, Felix and Schryen, Guido}, year={2013}, pages={27–32} }","apa":"Wex, F., & Schryen, G. 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