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The interviewee Utz-Uwe Haus is Senior Research Engineer @ CRAY European Research Lab (CERL)). A bio of him is included at the end of the interview."}],"_id":"15513","page":"21 - 23","volume":62,"user_id":"61579","ddc":["000"],"status":"public","has_accepted_license":"1","oa":"1","citation":{"short":"G. Schryen, N. Kliewer, A. Fink, Business &#38; Information Systems Engineering 62 (2020) 21–23.","chicago":"Schryen, Guido, Natalia Kliewer, and Andreas Fink. “Interview with Utz-Uwe Haus on “High Performance Computing in Economic Environments: Opportunities and Challenges\".” <i>Business &#38; Information Systems Engineering</i> 62, no. 01/2020 (2020): 21–23.","ieee":"G. Schryen, N. Kliewer, and A. Fink, “Interview with Utz-Uwe Haus on “High Performance Computing in Economic Environments: Opportunities and Challenges\",” <i>Business &#38; Information Systems Engineering</i>, vol. 62, no. 01/2020, pp. 21–23, 2020.","apa":"Schryen, G., Kliewer, N., &#38; Fink, A. (2020). 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Schryen, “Parallel computational optimization in operations research: A new integrative framework, literature review and research directions,” <i>European Journal of Operational Research</i>, vol. 287, no. 1, pp. 1–18, 2020.","chicago":"Schryen, Guido. “Parallel Computational Optimization in Operations Research: A New Integrative Framework, Literature Review and Research Directions.” <i>European Journal of Operational Research</i> 287, no. 1 (2020): 1–18.","short":"G. Schryen, European Journal of Operational Research 287 (2020) 1–18.","mla":"Schryen, Guido. “Parallel Computational Optimization in Operations Research: A New Integrative Framework, Literature Review and Research Directions.” <i>European Journal of Operational Research</i>, vol. 287, no. 1, Elsevier, 2020, pp. 1–18.","ama":"Schryen G. 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Internationalen Tagung Wirtschaftsinformatik 2020 (WI)}, author={Poniatowski, Martin and Neumann, Jürgen}, year={2020} }"},"project":[{"name":"SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - Project Area A"},{"name":"SFB 901 - Subproject A4","_id":"8"}]},{"intvolume":"        16","date_updated":"2022-01-06T06:52:47Z","author":[{"full_name":"Szubartowicz, Eva","first_name":"Eva","last_name":"Szubartowicz"},{"last_name":"Schryen","first_name":"Guido","full_name":"Schryen, Guido","id":"72850"}],"year":"2020","title":"Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements","language":[{"iso":"eng"}],"abstract":[{"text":"Timing plays a crucial role in the context of information security investments. We regard timing in two dimensions, namely the time of announcement in relation to the time of investment and the time of announcement in relation to the time of a fundamental security incident. The financial value of information security investments is assessed by examining the relationship between the investment announcements and their stock market reaction focusing on the two time dimensions. Using an event study methodology, we found that both dimensions influence the stock market return of the investing organization. Our results indicate that (1) after fundamental security incidents in a given industry, the stock price will react more positively to a firm’s announcement of actual information security investments than to announcements of the intention to invest; (2) the stock price will react more positively to a firm’s announcements of the intention to invest after the fundamental security incident compared to before; and (3) the stock price will react more positively to a firm’s announcements of actual information security investments after the fundamental security incident compared to before. Overall, the lowest abnormal return can be expected when the intention to invest is announced before a fundamental information security incident and the highest return when actual investing after a fundamental information security incident in the respective industry.","lang":"eng"}],"publication":"Journal of Information System Security","issue":"1","department":[{"_id":"277"}],"type":"journal_article","keyword":["Event Study","Information Security","Investment Announcements","Stock Price Reaction","Value of Information Security Investments"],"date_created":"2020-03-05T10:29:00Z","file":[{"date_created":"2020-03-05T10:26:11Z","creator":"hsiemes","file_id":"16250","content_type":"application/pdf","file_name":"Timing in Information Security - JISSEC format PREPUBLICATION.pdf","access_level":"open_access","file_size":478056,"relation":"main_file","date_updated":"2020-03-05T10:35:49Z"}],"has_accepted_license":"1","status":"public","volume":16,"user_id":"61579","ddc":["000"],"_id":"16249","publisher":"Information Institute Publishing, Washington DC, USA","page":"3 - 31","citation":{"bibtex":"@article{Szubartowicz_Schryen_2020, title={Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements}, volume={16}, number={1}, journal={Journal of Information System Security}, publisher={Information Institute Publishing, Washington DC, USA}, author={Szubartowicz, Eva and Schryen, Guido}, year={2020}, pages={3–31} }","ama":"Szubartowicz E, Schryen G. Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements. <i>Journal of Information System Security</i>. 2020;16(1):3-31.","mla":"Szubartowicz, Eva, and Guido Schryen. “Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements.” <i>Journal of Information System Security</i>, vol. 16, no. 1, Information Institute Publishing, Washington DC, USA, 2020, pp. 3–31.","chicago":"Szubartowicz, Eva, and Guido Schryen. “Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements.” <i>Journal of Information System Security</i> 16, no. 1 (2020): 3–31.","short":"E. Szubartowicz, G. Schryen, Journal of Information System Security 16 (2020) 3–31.","ieee":"E. Szubartowicz and G. Schryen, “Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements,” <i>Journal of Information System Security</i>, vol. 16, no. 1, pp. 3–31, 2020.","apa":"Szubartowicz, E., &#38; Schryen, G. (2020). Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements. <i>Journal of Information System Security</i>, <i>16</i>(1), 3–31."},"file_date_updated":"2020-03-05T10:35:49Z","oa":"1"},{"author":[{"full_name":"zur Heiden, Philipp","first_name":"Philipp","last_name":"zur Heiden","id":"64394"},{"id":"53344","full_name":"Berendes, Carsten Ingo","last_name":"Berendes","first_name":"Carsten Ingo"},{"full_name":"Beverungen, Daniel","last_name":"Beverungen","first_name":"Daniel","id":"59677"}],"title":"Designing City Center Area Recommendation Systems ","year":"2020","date_updated":"2022-01-06T06:52:48Z","publication_status":"published","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://library.gito.de/open-access-pdf/E1_City_recommendations_Master_final.pdf","open_access":"1"}],"doi":"doi.org/10.30844/wi_2020_e1-heiden","publication":"Proceedings of the 15th International Conference on Wirtschaftsinformatik","abstract":[{"lang":"eng","text":"To  decide  in  which  part  of  town to  open  stores,  high  street  retailers consult  statistical  data  on  customers  and  cities,  but  they  cannot  analyze  their customers’  shopping  behavior  and  geospatial  features  of  a  city  due  to  missing data.  While  previous  research  has  proposed  recommendation  systems  and decision  aids  that  address  this  type  of  decision  problem –  including  factory location  and  assortment  planning –  there  currently  is no design  knowledge available  to  prescribe  the  design  of  city  center  area  recommendation  systems (CCARS).   We   set   out   to   design   a   software   prototype   considering   local customers’  shopping  interests  and  geospatial  data  on  their  shopping  trips  for retail site selection.  With real data on 500 customers and 1,100 shopping trips, we demonstrate and evaluate our IT artifact. Our results illustrate how retailers and public town center managers can use CCARS for spatial location selection, growing retailers’ profits and a city center’s attractiveness for its citizens."}],"date_created":"2020-03-13T07:05:24Z","file":[{"date_updated":"2020-03-13T06:58:54Z","relation":"main_file","file_size":1370273,"access_level":"closed","file_name":"E1_City_recommendations_Master_final.pdf","content_type":"application/pdf","success":1,"file_id":"16286","creator":"pzh","date_created":"2020-03-13T06:58:54Z"}],"department":[{"_id":"526"}],"keyword":["Town Center Management","High Street Retail","Recommender Systems","Geospatial Recommendations","Design Science Research"],"type":"conference","conference":{"location":"Potsdam","name":"15th International Conference on Wirtschaftsinformatik","start_date":"2020-03-07","end_date":"2020-03-11"},"status":"public","has_accepted_license":"1","_id":"16285","ddc":["000"],"user_id":"64394","citation":{"ieee":"P. zur Heiden, C. I. Berendes, and D. Beverungen, “Designing City Center Area Recommendation Systems ,” in <i>Proceedings of the 15th International Conference on Wirtschaftsinformatik</i>, Potsdam, 2020.","apa":"zur Heiden, P., Berendes, C. I., &#38; Beverungen, D. (2020). Designing City Center Area Recommendation Systems . In <i>Proceedings of the 15th International Conference on Wirtschaftsinformatik</i>. Potsdam. <a href=\"https://doi.org/doi.org/10.30844/wi_2020_e1-heiden\">https://doi.org/doi.org/10.30844/wi_2020_e1-heiden</a>","short":"P. zur Heiden, C.I. Berendes, D. Beverungen, in: Proceedings of the 15th International Conference on Wirtschaftsinformatik, Potsdam, 2020.","chicago":"Heiden, Philipp zur, Carsten Ingo Berendes, and Daniel Beverungen. “Designing City Center Area Recommendation Systems .” In <i>Proceedings of the 15th International Conference on Wirtschaftsinformatik</i>. Potsdam, 2020. <a href=\"https://doi.org/doi.org/10.30844/wi_2020_e1-heiden\">https://doi.org/doi.org/10.30844/wi_2020_e1-heiden</a>.","mla":"zur Heiden, Philipp, et al. “Designing City Center Area Recommendation Systems .” <i>Proceedings of the 15th International Conference on Wirtschaftsinformatik</i>, 2020, doi:<a href=\"https://doi.org/doi.org/10.30844/wi_2020_e1-heiden\">doi.org/10.30844/wi_2020_e1-heiden</a>.","bibtex":"@inproceedings{zur Heiden_Berendes_Beverungen_2020, place={Potsdam}, title={Designing City Center Area Recommendation Systems }, DOI={<a href=\"https://doi.org/doi.org/10.30844/wi_2020_e1-heiden\">doi.org/10.30844/wi_2020_e1-heiden</a>}, booktitle={Proceedings of the 15th International Conference on Wirtschaftsinformatik}, author={zur Heiden, Philipp and Berendes, Carsten Ingo and Beverungen, Daniel}, year={2020} }","ama":"zur Heiden P, Berendes CI, Beverungen D. Designing City Center Area Recommendation Systems . In: <i>Proceedings of the 15th International Conference on Wirtschaftsinformatik</i>. Potsdam; 2020. doi:<a href=\"https://doi.org/doi.org/10.30844/wi_2020_e1-heiden\">doi.org/10.30844/wi_2020_e1-heiden</a>"},"file_date_updated":"2020-03-13T06:58:54Z","project":[{"grant_number":"​02K15A073","_id":"35","name":"​Interaktive Einkaufserlebnisse in Innenstädten durch digitale Dienstleistungen"}],"quality_controlled":"1","place":"Potsdam","oa":"1"},{"citation":{"mla":"Wolf, Verena, and Christian Bartelheimer. “Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis .” <i>16th International Research Conference in Service Management</i>, 2020.","ama":"Wolf V, Bartelheimer C. Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis . In: <i>16th International Research Conference in Service Management</i>. ; 2020.","bibtex":"@inproceedings{Wolf_Bartelheimer_2020, title={Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis }, booktitle={16th International Research Conference in Service Management}, author={Wolf, Verena and Bartelheimer, Christian}, year={2020} }","apa":"Wolf, V., &#38; Bartelheimer, C. (2020). Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis . In <i>16th International Research Conference in Service Management</i>.  La Londe les Maures.","ieee":"V. Wolf and C. Bartelheimer, “Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis ,” in <i>16th International Research Conference in Service Management</i>,  La Londe les Maures, 2020.","chicago":"Wolf, Verena, and Christian Bartelheimer. “Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis .” In <i>16th International Research Conference in Service Management</i>, 2020.","short":"V. Wolf, C. Bartelheimer, in: 16th International Research Conference in Service Management, 2020."},"publication":"16th International Research Conference in Service Management","department":[{"_id":"195"}],"type":"conference","date_created":"2020-03-13T17:30:48Z","date_updated":"2022-01-06T06:52:48Z","author":[{"id":"23633","last_name":"Wolf","first_name":"Verena","full_name":"Wolf, Verena"},{"last_name":"Bartelheimer","first_name":"Christian","full_name":"Bartelheimer, Christian"}],"conference":{"end_date":"2020-06-05","start_date":"2020-06-02","location":" La Londe les Maures"},"year":"2020","status":"public","title":"Transformation of Actors’ Roles in Service Systems: A Multi-Level Analysis ","user_id":"23633","language":[{"iso":"eng"}],"_id":"16300"},{"title":"Criteria as a prelude for guiding taxonomy evaluation","status":"public","year":"2020","conference":{"name":"Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)","location":"Maui, Hawaii"},"author":[{"last_name":"Szopinski","first_name":"Daniel","full_name":"Szopinski, Daniel","id":"36372"},{"full_name":"Schoormann, Thorsten","first_name":"Thorsten","last_name":"Schoormann"},{"first_name":"Dennis","last_name":"Kundisch","full_name":"Kundisch, Dennis","id":"21117"}],"date_updated":"2022-01-06T06:51:40Z","has_accepted_license":"1","language":[{"iso":"eng"}],"_id":"13584","ddc":["000"],"user_id":"16205","publication":"Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)","file_date_updated":"2020-01-09T08:17:26Z","citation":{"ama":"Szopinski D, Schoormann T, Kundisch D. Criteria as a prelude for guiding taxonomy evaluation. In: <i>Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)</i>. ; 2020.","bibtex":"@inproceedings{Szopinski_Schoormann_Kundisch_2020, title={Criteria as a prelude for guiding taxonomy evaluation}, booktitle={Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)}, author={Szopinski, Daniel and Schoormann, Thorsten and Kundisch, Dennis}, year={2020} }","mla":"Szopinski, Daniel, et al. “Criteria as a Prelude for Guiding Taxonomy Evaluation.” <i>Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)</i>, 2020.","chicago":"Szopinski, Daniel, Thorsten Schoormann, and Dennis Kundisch. “Criteria as a Prelude for Guiding Taxonomy Evaluation.” In <i>Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)</i>, 2020.","short":"D. Szopinski, T. Schoormann, D. Kundisch, in: Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS), 2020.","apa":"Szopinski, D., Schoormann, T., &#38; Kundisch, D. (2020). Criteria as a prelude for guiding taxonomy evaluation. In <i>Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)</i>. Maui, Hawaii.","ieee":"D. Szopinski, T. Schoormann, and D. Kundisch, “Criteria as a prelude for guiding taxonomy evaluation,” in <i>Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS)</i>, Maui, Hawaii, 2020."},"project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area C","_id":"4"},{"name":"SFB 901 - Subproject C5","_id":"17"}],"file":[{"file_id":"15466","content_type":"application/pdf","success":1,"relation":"main_file","date_updated":"2020-01-09T08:17:26Z","file_name":"0500.pdf","file_size":802041,"access_level":"closed","date_created":"2020-01-09T08:17:26Z","creator":"dsz"}],"date_created":"2019-10-02T09:32:57Z","type":"conference","department":[{"_id":"276"}]},{"publication":"Communications of the AIS","abstract":[{"text":"Literature reviews (LRs) play an important role in the development of domain knowledge in all fields. Yet, we observe a\r\nlack of insights into the activities with which LRs actually develop knowledge. To address this important gap, we (1)\r\nderive knowledge building activities from the extant literature on LRs, (2) suggest a knowledge-based typology of LRs\r\nthat complements existing typologies, and (3) apply the suggested typology in an empirical study that explores how LRs\r\nwith different goals and methodologies have contributed to knowledge development. The analysis of 240 LRs published\r\nin 40 renowned IS journals between 2000 and 2014 allows us to draw a detailed picture of knowledge development\r\nachieved by one of the most important genres in the IS field. An overarching contribution of our work is to unify extant\r\nconceptualizations of LRs by clarifying and illustrating how LRs apply different methodologies in a range of knowledge\r\nbuilding activities to achieve their goals with respect to theory.","lang":"eng"}],"date_created":"2019-07-12T12:01:02Z","file":[{"relation":"main_file","date_updated":"2020-03-05T10:36:15Z","file_name":"RA-18-198.pdf","file_size":1146830,"access_level":"open_access","file_id":"16115","content_type":"application/pdf","creator":"schryen","date_created":"2020-02-26T18:12:29Z"}],"department":[{"_id":"277"}],"keyword":["Literature review","knowledge development","knowledge building activities","knowledge-based typology","information systems research"],"type":"journal_article","publication_identifier":{"issn":[" 1529-3181"]},"author":[{"id":"72850","first_name":"Guido","last_name":"Schryen","full_name":"Schryen, Guido"},{"full_name":"Wagner, Gerit","first_name":"Gerit","last_name":"Wagner"},{"first_name":"Alexander","last_name":"Benlian","full_name":"Benlian, Alexander"},{"full_name":"Paré, Guy","last_name":"Paré","first_name":"Guy"}],"year":"2020","title":"A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field","intvolume":"        46","date_updated":"2022-06-10T06:38:58Z","language":[{"iso":"eng"}],"doi":"10.17705/1CAIS.04607","citation":{"ieee":"G. Schryen, G. Wagner, A. Benlian, and G. Paré, “A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field,” <i>Communications of the AIS</i>, vol. 46, pp. 134–186, 2020, doi: <a href=\"https://doi.org/10.17705/1CAIS.04607\">10.17705/1CAIS.04607</a>.","apa":"Schryen, G., Wagner, G., Benlian, A., &#38; Paré, G. (2020). A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field. <i>Communications of the AIS</i>, <i>46</i>, 134–186. <a href=\"https://doi.org/10.17705/1CAIS.04607\">https://doi.org/10.17705/1CAIS.04607</a>","mla":"Schryen, Guido, et al. “A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field.” <i>Communications of the AIS</i>, vol. 46, 2020, pp. 134–86, doi:<a href=\"https://doi.org/10.17705/1CAIS.04607\">10.17705/1CAIS.04607</a>.","bibtex":"@article{Schryen_Wagner_Benlian_Paré_2020, title={A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field}, volume={46}, DOI={<a href=\"https://doi.org/10.17705/1CAIS.04607\">10.17705/1CAIS.04607</a>}, journal={Communications of the AIS}, author={Schryen, Guido and Wagner, Gerit and Benlian, Alexander and Paré, Guy}, year={2020}, pages={134–186} }","short":"G. Schryen, G. Wagner, A. Benlian, G. Paré, Communications of the AIS 46 (2020) 134–186.","ama":"Schryen G, Wagner G, Benlian A, Paré G. A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field. <i>Communications of the AIS</i>. 2020;46:134-186. doi:<a href=\"https://doi.org/10.17705/1CAIS.04607\">10.17705/1CAIS.04607</a>","chicago":"Schryen, Guido, Gerit Wagner, Alexander Benlian, and Guy Paré. “A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field.” <i>Communications of the AIS</i> 46 (2020): 134–86. <a href=\"https://doi.org/10.17705/1CAIS.04607\">https://doi.org/10.17705/1CAIS.04607</a>."},"file_date_updated":"2020-03-05T10:36:15Z","oa":"1","status":"public","has_accepted_license":"1","_id":"11946","page":"134-186","volume":46,"user_id":"72850","ddc":["000"]},{"oa":"1","file_date_updated":"2020-03-05T10:37:36Z","citation":{"chicago":"Schryen, Guido, Natalia Kliewer, and Andreas Fink. “High Performance Business Computing.” <i>Business &#38; Information Systems Engineering</i> 62, no. 1 (2020): 1–3. <a href=\"https://doi.org/10.1007/s12599-019-00622-2\">https://doi.org/10.1007/s12599-019-00622-2</a>.","short":"G. Schryen, N. Kliewer, A. Fink, Business &#38; Information Systems Engineering 62 (2020) 1–3.","apa":"Schryen, G., Kliewer, N., &#38; Fink, A. (2020). High Performance Business Computing. <i>Business &#38; Information Systems Engineering</i>, <i>62</i>(1), 1–3. <a href=\"https://doi.org/10.1007/s12599-019-00622-2\">https://doi.org/10.1007/s12599-019-00622-2</a>","ieee":"G. Schryen, N. Kliewer, and A. Fink, “High Performance Business Computing,” <i>Business &#38; Information Systems Engineering</i>, vol. 62, no. 1, pp. 1–3, 2020, doi: <a href=\"https://doi.org/10.1007/s12599-019-00622-2\">10.1007/s12599-019-00622-2</a>.","ama":"Schryen G, Kliewer N, Fink A. High Performance Business Computing. <i>Business &#38; Information Systems Engineering</i>. 2020;62(1):1-3. doi:<a href=\"https://doi.org/10.1007/s12599-019-00622-2\">10.1007/s12599-019-00622-2</a>","bibtex":"@article{Schryen_Kliewer_Fink_2020, title={High Performance Business Computing}, volume={62}, DOI={<a href=\"https://doi.org/10.1007/s12599-019-00622-2\">10.1007/s12599-019-00622-2</a>}, number={1}, journal={Business &#38; Information Systems Engineering}, author={Schryen, Guido and Kliewer, Natalia and Fink, Andreas}, year={2020}, pages={1–3} }","mla":"Schryen, Guido, et al. “High Performance Business Computing.” <i>Business &#38; Information Systems Engineering</i>, vol. 62, no. 1, 2020, pp. 1–3, doi:<a href=\"https://doi.org/10.1007/s12599-019-00622-2\">10.1007/s12599-019-00622-2</a>."},"ddc":["000"],"user_id":"72850","volume":62,"page":"1-3","_id":"14985","has_accepted_license":"1","status":"public","type":"journal_article","department":[{"_id":"277"}],"file":[{"content_type":"application/pdf","file_id":"14986","file_size":161538,"access_level":"open_access","file_name":"Schryen2019_Article_HighPerformanceBusinessComputi.pdf","date_updated":"2020-03-05T10:37:36Z","relation":"main_file","date_created":"2019-11-14T10:52:41Z","creator":"hsiemes"}],"date_created":"2019-11-14T10:49:39Z","issue":"1","publication":"Business & Information Systems Engineering","doi":"10.1007/s12599-019-00622-2","language":[{"iso":"eng"}],"date_updated":"2022-06-10T06:15:40Z","intvolume":"        62","title":"High Performance Business Computing","year":"2020","author":[{"id":"72850","full_name":"Schryen, Guido","first_name":"Guido","last_name":"Schryen"},{"full_name":"Kliewer, Natalia","last_name":"Kliewer","first_name":"Natalia"},{"full_name":"Fink, Andreas","first_name":"Andreas","last_name":"Fink"}]},{"intvolume":"        62","publication_status":"published","date_updated":"2022-12-02T09:27:17Z","author":[{"id":"126","full_name":"Karl, Holger","first_name":"Holger","last_name":"Karl"},{"id":"21117","first_name":"Dennis","last_name":"Kundisch","full_name":"Kundisch, Dennis"},{"last_name":"Meyer auf der Heide","first_name":"Friedhelm","full_name":"Meyer auf der Heide, Friedhelm","id":"15523"},{"id":"573","full_name":"Wehrheim, Heike","last_name":"Wehrheim","first_name":"Heike"}],"year":"2020","title":"A Case for a New IT Ecosystem: On-The-Fly Computing","doi":"10.1007/s12599-019-00627-x","language":[{"iso":"eng"}],"publication":"Business & Information Systems Engineering","issue":"6","department":[{"_id":"276"},{"_id":"75"},{"_id":"63"},{"_id":"77"}],"type":"journal_article","date_created":"2019-10-10T13:41:06Z","file":[{"date_created":"2019-12-12T10:24:47Z","creator":"ups","success":1,"content_type":"application/pdf","file_id":"15311","date_updated":"2019-12-12T10:24:47Z","relation":"main_file","access_level":"closed","file_size":454532,"file_name":"Karl2019_Article_ACaseForANewITEcosystemOn-The-.pdf"}],"has_accepted_license":"1","status":"public","volume":62,"user_id":"477","ddc":["004"],"_id":"13770","publisher":"Springer","page":"467-481","project":[{"_id":"1","name":"SFB 901"},{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"3","name":"SFB 901 - Project Area B"},{"_id":"4","name":"SFB 901 - Project Area C"},{"name":"SFB 901 - Project Area T","_id":"82"},{"name":"SFB 901 - Subproject A1","_id":"5"},{"_id":"6","name":"SFB 901 - Subproject A2"},{"name":"SFB 901 - Subproject A3","_id":"7"},{"_id":"8","name":"SFB 901 - Subproject A4"},{"name":"SFB 901 - Subproject B1","_id":"9"},{"name":"SFB 901 - Subproject B2","_id":"10"},{"_id":"11","name":"SFB 901 - Subproject B3"},{"_id":"12","name":"SFB 901 - Subproject B4"},{"name":"SFB 901 - Subproject C1","_id":"13"},{"_id":"14","name":"SFB 901 - Subproject C2"},{"name":"SFB 901 - Subproject C3","_id":"15"},{"_id":"16","name":"SFB 901 - Subproject C4"},{"_id":"17","name":"SFB 901 - Subproject C5"},{"_id":"83","name":"SFB 901 -Subproject T1"},{"_id":"84","name":"SFB 901 -Subproject T2"},{"name":"SFB 901 -Subproject T3","_id":"107"},{"_id":"158","name":"SFB 901 - T4: SFB 901 -Subproject T4"}],"citation":{"apa":"Karl, H., Kundisch, D., Meyer auf der Heide, F., &#38; Wehrheim, H. (2020). A Case for a New IT Ecosystem: On-The-Fly Computing. <i>Business &#38; Information Systems Engineering</i>, <i>62</i>(6), 467–481. <a href=\"https://doi.org/10.1007/s12599-019-00627-x\">https://doi.org/10.1007/s12599-019-00627-x</a>","ieee":"H. Karl, D. Kundisch, F. Meyer auf der Heide, and H. Wehrheim, “A Case for a New IT Ecosystem: On-The-Fly Computing,” <i>Business &#38; Information Systems Engineering</i>, vol. 62, no. 6, pp. 467–481, 2020, doi: <a href=\"https://doi.org/10.1007/s12599-019-00627-x\">10.1007/s12599-019-00627-x</a>.","chicago":"Karl, Holger, Dennis Kundisch, Friedhelm Meyer auf der Heide, and Heike Wehrheim. “A Case for a New IT Ecosystem: On-The-Fly Computing.” <i>Business &#38; Information Systems Engineering</i> 62, no. 6 (2020): 467–81. <a href=\"https://doi.org/10.1007/s12599-019-00627-x\">https://doi.org/10.1007/s12599-019-00627-x</a>.","short":"H. Karl, D. Kundisch, F. Meyer auf der Heide, H. Wehrheim, Business &#38; Information Systems Engineering 62 (2020) 467–481.","mla":"Karl, Holger, et al. “A Case for a New IT Ecosystem: On-The-Fly Computing.” <i>Business &#38; Information Systems Engineering</i>, vol. 62, no. 6, Springer, 2020, pp. 467–81, doi:<a href=\"https://doi.org/10.1007/s12599-019-00627-x\">10.1007/s12599-019-00627-x</a>.","ama":"Karl H, Kundisch D, Meyer auf der Heide F, Wehrheim H. A Case for a New IT Ecosystem: On-The-Fly Computing. <i>Business &#38; Information Systems Engineering</i>. 2020;62(6):467-481. doi:<a href=\"https://doi.org/10.1007/s12599-019-00627-x\">10.1007/s12599-019-00627-x</a>","bibtex":"@article{Karl_Kundisch_Meyer auf der Heide_Wehrheim_2020, title={A Case for a New IT Ecosystem: On-The-Fly Computing}, volume={62}, DOI={<a href=\"https://doi.org/10.1007/s12599-019-00627-x\">10.1007/s12599-019-00627-x</a>}, number={6}, journal={Business &#38; Information Systems Engineering}, publisher={Springer}, author={Karl, Holger and Kundisch, Dennis and Meyer auf der Heide, Friedhelm and Wehrheim, Heike}, year={2020}, pages={467–481} }"},"file_date_updated":"2019-12-12T10:24:47Z"},{"user_id":"72849","_id":"17095","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://aisel.aisnet.org/ecis2020_rp/121/"}],"date_updated":"2022-08-17T07:20:01Z","author":[{"first_name":"Raphael","last_name":"Grytz","full_name":"Grytz, Raphael","id":"4481"},{"last_name":"Krohn-Grimberghe","first_name":"Artus","full_name":"Krohn-Grimberghe, Artus"},{"id":"72849","last_name":"Müller","first_name":"Oliver","full_name":"Müller, Oliver"}],"status":"public","title":"Business Intelligence & Analytics Cost Accounting: An Action Design Research Approach","year":"2020","department":[{"_id":"196"}],"type":"conference","date_created":"2020-06-17T09:49:08Z","abstract":[{"lang":"eng","text":"In order to sustain their competitive advantage, data driven organizations must continue investing in business intelligence and analytics (BI&A) while mitigating inherent cost increases. Research shows that examining outlays by individual BI&A artifact (e.g. reports, analytics) is necessary, but introduction in practice is cumbersome and adoption is slow. BI&A service-oriented cost allocation (BIASOCA) represents an improvement to this situation. This approach enables to render the BI&A cost pool accountable and improves cost transparency, which leads to a higher BI&A penetration of economically viable applications in organizations. Against this background, this paper aims at designing and implementing BIASOCA in a medium-sized company. To record organizational impact and increase customer acceptance, this study is carried out as action design research (ADR). Our findings indicate improvements in BI&A management from working with consumers to locate cost savings and drivers. After invoicing, consumers’ BI&A awareness increased, releasing resources while also making a better understanding of BIASOCA necessary. We detail how to implement BIASOCA in a real-life setting and the challenges attendant in so doing. Our research contributes to theory and practice with a set of design principles highlighting, besides the accuracy of cost accounting, the importance of collaboration, model comprehensibility and strategic alignment."}],"citation":{"ieee":"R. Grytz, A. Krohn-Grimberghe, and O. Müller, “Business Intelligence &#38; Analytics Cost Accounting: An Action Design Research Approach,” 2020.","apa":"Grytz, R., Krohn-Grimberghe, A., &#38; Müller, O. (2020). Business Intelligence &#38; Analytics Cost Accounting: An Action Design Research Approach. <i>European Conference on Information Systems</i>.","chicago":"Grytz, Raphael, Artus Krohn-Grimberghe, and Oliver Müller. “Business Intelligence &#38; Analytics Cost Accounting: An Action Design Research Approach.” In <i>European Conference on Information Systems</i>, 2020.","short":"R. Grytz, A. Krohn-Grimberghe, O. Müller, in: European Conference on Information Systems, 2020.","mla":"Grytz, Raphael, et al. “Business Intelligence &#38; Analytics Cost Accounting: An Action Design Research Approach.” <i>European Conference on Information Systems</i>, 2020.","bibtex":"@inproceedings{Grytz_Krohn-Grimberghe_Müller_2020, title={Business Intelligence &#38; Analytics Cost Accounting: An Action Design Research Approach}, booktitle={European Conference on Information Systems}, author={Grytz, Raphael and Krohn-Grimberghe, Artus and Müller, Oliver}, year={2020} }","ama":"Grytz R, Krohn-Grimberghe A, Müller O. Business Intelligence &#38; Analytics Cost Accounting: An Action Design Research Approach. In: <i>European Conference on Information Systems</i>. ; 2020."},"publication":"European Conference on Information Systems"},{"file_date_updated":"2019-09-09T18:24:35Z","citation":{"short":"E. Yasasin, J. Prester, G. Wagner, G. Schryen, Computers &#38; Security 88 (2020).","chicago":"Yasasin, Emrah, Julian Prester, Gerit Wagner, and Guido Schryen. “Forecasting IT Security Vulnerabilities - An Empirical Analysis.” <i>Computers &#38; Security</i> 88, no. January (2020).","apa":"Yasasin, E., Prester, J., Wagner, G., &#38; Schryen, G. (2020). Forecasting IT Security Vulnerabilities - An Empirical Analysis. <i>Computers &#38; Security</i>, <i>88</i>(January).","ieee":"E. Yasasin, J. Prester, G. Wagner, and G. Schryen, “Forecasting IT Security Vulnerabilities - An Empirical Analysis,” <i>Computers &#38; Security</i>, vol. 88, no. January, 2020.","ama":"Yasasin E, Prester J, Wagner G, Schryen G. Forecasting IT Security Vulnerabilities - An Empirical Analysis. <i>Computers &#38; Security</i>. 2020;88(January).","bibtex":"@article{Yasasin_Prester_Wagner_Schryen_2020, title={Forecasting IT Security Vulnerabilities - An Empirical Analysis}, volume={88}, number={January}, journal={Computers &#38; Security}, author={Yasasin, Emrah and Prester, Julian and Wagner, Gerit and Schryen, Guido}, year={2020} }","mla":"Yasasin, Emrah, et al. “Forecasting IT Security Vulnerabilities - An Empirical Analysis.” <i>Computers &#38; Security</i>, vol. 88, no. January, 2020."},"oa":"1","status":"public","has_accepted_license":"1","_id":"13175","ddc":["000"],"user_id":"72850","volume":88,"issue":"January","publication":"Computers & Security","abstract":[{"text":"Today, organizations must deal with a plethora of IT security threats and to ensure smooth and\r\nuninterrupted business operations, firms are challenged to predict the volume of IT security vulnerabilities\r\nand allocate resources for fixing them. This challenge requires decision makers to assess\r\nwhich system or software packages are prone to vulnerabilities, how many post-release vulnerabilities\r\ncan be expected to occur during a certain period of time, and what impact exploits might have.\r\nSubstantial research has been dedicated to techniques that analyze source code and detect security\r\nvulnerabilities. However, only limited research has focused on forecasting security vulnerabilities\r\nthat are detected and reported after the release of software. To address this shortcoming, we apply\r\nestablished methodologies which are capable of forecasting events exhibiting specific time series\r\ncharacteristics of security vulnerabilities, i.e., rareness of occurrence, volatility, non-stationarity,\r\nand seasonality. Based on a dataset taken from the National Vulnerability Database (NVD), we use\r\nthe Mean Absolute Error (MAE) and Root Mean Square Error (RMSE) to measure the forecasting\r\naccuracy of single, double, and triple exponential smoothing methodologies, Croston's methodology,\r\nARIMA, and a neural network-based approach. We analyze the impact of the applied forecasting\r\nmethodology on the prediction accuracy with regard to its robustness along the dimensions of the\r\nexamined system and software package \"operating systems\", \"browsers\" and \"office solutions\" and\r\nthe applied metrics. To the best of our knowledge, this study is the first to analyze the effect\r\nof forecasting methodologies and to apply metrics that are suitable in this context. Our results\r\nshow that the optimal forecasting methodology depends on the software or system package, as some\r\nmethodologies perform poorly in the context of IT security vulnerabilities, that absolute metrics\r\ncan cover the actual prediction error precisely, and that the prediction accuracy is robust within the\r\ntwo applied forecasting-error metrics.","lang":"eng"}],"file":[{"creator":"schryen","date_created":"2019-09-09T18:24:35Z","file_size":894663,"access_level":"open_access","file_name":"Forecasting_IT_Security_Vulnerabilities.pdf","date_updated":"2019-09-09T18:24:35Z","relation":"main_file","content_type":"application/pdf","file_id":"13176"}],"date_created":"2019-09-09T18:24:45Z","type":"journal_article","department":[{"_id":"195"},{"_id":"277"}],"year":"2020","title":"Forecasting IT Security Vulnerabilities - An Empirical Analysis","publication_identifier":{"issn":["0167-4048"]},"author":[{"full_name":"Yasasin, Emrah","first_name":"Emrah","last_name":"Yasasin"},{"full_name":"Prester, Julian","last_name":"Prester","first_name":"Julian"},{"first_name":"Gerit","last_name":"Wagner","full_name":"Wagner, Gerit"},{"id":"72850","full_name":"Schryen, Guido","last_name":"Schryen","first_name":"Guido"}],"date_updated":"2022-10-19T15:27:51Z","publication_status":"published","intvolume":"        88","article_type":"original","language":[{"iso":"eng"}]},{"date_created":"2023-01-10T09:39:14Z","type":"journal_article","keyword":["Electrical and Electronic Engineering","Biochemistry","Instrumentation","Atomic and Molecular Physics","and Optics","Analytical Chemistry"],"department":[{"_id":"526"}],"publication":"Sensors","issue":"7","abstract":[{"lang":"eng","text":"<jats:p>The development of renewable energies and smart mobility has profoundly impacted the future of the distribution grid. An increasing bidirectional energy flow stresses the assets of the distribution grid, especially medium voltage switchgear. This calls for improved maintenance strategies to prevent critical failures. Predictive maintenance, a maintenance strategy relying on current condition data of assets, serves as a guideline. Novel sensors covering thermal, mechanical, and partial discharge aspects of switchgear, enable continuous condition monitoring of some of the most critical assets of the distribution grid. Combined with machine learning algorithms, the demands put on the distribution grid by the energy and mobility revolutions can be handled. In this paper, we review the current state-of-the-art of all aspects of condition monitoring for medium voltage switchgear. Furthermore, we present an approach to develop a predictive maintenance system based on novel sensors and machine learning. We show how the existing medium voltage grid infrastructure can adapt these new needs on an economic scale.</jats:p>"}],"article_number":"2099","language":[{"iso":"eng"}],"doi":"10.3390/s20072099","title":"Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions","year":"2020","author":[{"full_name":"Hoffmann, Martin W.","last_name":"Hoffmann","first_name":"Martin W."},{"full_name":"Wildermuth, Stephan","last_name":"Wildermuth","first_name":"Stephan"},{"last_name":"Gitzel","first_name":"Ralf","full_name":"Gitzel, Ralf"},{"last_name":"Boyaci","first_name":"Aydin","full_name":"Boyaci, Aydin"},{"first_name":"Jörg","last_name":"Gebhardt","full_name":"Gebhardt, Jörg"},{"full_name":"Kaul, Holger","last_name":"Kaul","first_name":"Holger"},{"full_name":"Amihai, Ido","last_name":"Amihai","first_name":"Ido"},{"last_name":"Forg","first_name":"Bodo","full_name":"Forg, Bodo"},{"full_name":"Suriyah, Michael","first_name":"Michael","last_name":"Suriyah"},{"first_name":"Thomas","last_name":"Leibfried","full_name":"Leibfried, Thomas"},{"full_name":"Stich, Volker","first_name":"Volker","last_name":"Stich"},{"last_name":"Hicking","first_name":"Jan","full_name":"Hicking, Jan"},{"full_name":"Bremer, Martin","last_name":"Bremer","first_name":"Martin"},{"last_name":"Kaminski","first_name":"Lars","full_name":"Kaminski, Lars"},{"id":"59677","full_name":"Beverungen, Daniel","last_name":"Beverungen","first_name":"Daniel"},{"id":"64394","full_name":"zur Heiden, Philipp","last_name":"zur Heiden","first_name":"Philipp"},{"first_name":"Tanja","last_name":"Tornede","full_name":"Tornede, Tanja"}],"publication_identifier":{"issn":["1424-8220"]},"publication_status":"published","date_updated":"2023-01-10T09:53:13Z","intvolume":"        20","citation":{"ieee":"M. W. Hoffmann <i>et al.</i>, “Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions,” <i>Sensors</i>, vol. 20, no. 7, Art. no. 2099, 2020, doi: <a href=\"https://doi.org/10.3390/s20072099\">10.3390/s20072099</a>.","apa":"Hoffmann, M. W., Wildermuth, S., Gitzel, R., Boyaci, A., Gebhardt, J., Kaul, H., Amihai, I., Forg, B., Suriyah, M., Leibfried, T., Stich, V., Hicking, J., Bremer, M., Kaminski, L., Beverungen, D., zur Heiden, P., &#38; Tornede, T. (2020). Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions. <i>Sensors</i>, <i>20</i>(7), Article 2099. <a href=\"https://doi.org/10.3390/s20072099\">https://doi.org/10.3390/s20072099</a>","short":"M.W. Hoffmann, S. Wildermuth, R. Gitzel, A. Boyaci, J. Gebhardt, H. Kaul, I. Amihai, B. Forg, M. Suriyah, T. Leibfried, V. Stich, J. Hicking, M. Bremer, L. Kaminski, D. Beverungen, P. zur Heiden, T. Tornede, Sensors 20 (2020).","chicago":"Hoffmann, Martin W., Stephan Wildermuth, Ralf Gitzel, Aydin Boyaci, Jörg Gebhardt, Holger Kaul, Ido Amihai, et al. “Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions.” <i>Sensors</i> 20, no. 7 (2020). <a href=\"https://doi.org/10.3390/s20072099\">https://doi.org/10.3390/s20072099</a>.","mla":"Hoffmann, Martin W., et al. “Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions.” <i>Sensors</i>, vol. 20, no. 7, 2099, MDPI AG, 2020, doi:<a href=\"https://doi.org/10.3390/s20072099\">10.3390/s20072099</a>.","bibtex":"@article{Hoffmann_Wildermuth_Gitzel_Boyaci_Gebhardt_Kaul_Amihai_Forg_Suriyah_Leibfried_et al._2020, title={Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions}, volume={20}, DOI={<a href=\"https://doi.org/10.3390/s20072099\">10.3390/s20072099</a>}, number={72099}, journal={Sensors}, publisher={MDPI AG}, author={Hoffmann, Martin W. and Wildermuth, Stephan and Gitzel, Ralf and Boyaci, Aydin and Gebhardt, Jörg and Kaul, Holger and Amihai, Ido and Forg, Bodo and Suriyah, Michael and Leibfried, Thomas and et al.}, year={2020} }","ama":"Hoffmann MW, Wildermuth S, Gitzel R, et al. Integration of Novel Sensors and Machine Learning for Predictive Maintenance in Medium Voltage Switchgear to Enable the Energy and Mobility Revolutions. <i>Sensors</i>. 2020;20(7). doi:<a href=\"https://doi.org/10.3390/s20072099\">10.3390/s20072099</a>"},"publisher":"MDPI AG","_id":"35723","user_id":"21671","volume":20,"status":"public"},{"volume":11,"user_id":"31241","language":[{"iso":"eng"}],"_id":"17862","page":"1--24","intvolume":"        11","publication_status":"published","date_updated":"2023-01-11T13:01:57Z","author":[{"id":"13268","full_name":"Schlangenotto, Darius","first_name":"Darius","last_name":"Schlangenotto"},{"full_name":"Schnedler, Wendelin","first_name":"Wendelin","last_name":"Schnedler","id":"31241"},{"first_name":"Radovan","last_name":"Vadovic","full_name":"Vadovic, Radovan"}],"year":"2020","status":"public","title":"Against All Odds: Tentative Steps Toward Efficient Information Sharing in Groups","department":[{"_id":"276"},{"_id":"237"}],"type":"journal_article","date_created":"2020-08-12T12:28:43Z","quality_controlled":"1","citation":{"mla":"Schlangenotto, Darius, et al. “Against All Odds: Tentative Steps Toward Efficient Information Sharing in Groups.” <i>Games</i>, vol. 11, no. 3, 2020, pp. 1--24.","ama":"Schlangenotto D, Schnedler W, Vadovic R. Against All Odds: Tentative Steps Toward Efficient Information Sharing in Groups. <i>Games</i>. 2020;11(3):1--24.","bibtex":"@article{Schlangenotto_Schnedler_Vadovic_2020, title={Against All Odds: Tentative Steps Toward Efficient Information Sharing in Groups}, volume={11}, number={3}, journal={Games}, author={Schlangenotto, Darius and Schnedler, Wendelin and Vadovic, Radovan}, year={2020}, pages={1--24} }","apa":"Schlangenotto, D., Schnedler, W., &#38; Vadovic, R. (2020). Against All Odds: Tentative Steps Toward Efficient Information Sharing in Groups. <i>Games</i>, <i>11</i>(3), 1--24.","ieee":"D. Schlangenotto, W. Schnedler, and R. Vadovic, “Against All Odds: Tentative Steps Toward Efficient Information Sharing in Groups,” <i>Games</i>, vol. 11, no. 3, pp. 1--24, 2020.","short":"D. Schlangenotto, W. Schnedler, R. Vadovic, Games 11 (2020) 1--24.","chicago":"Schlangenotto, Darius, Wendelin Schnedler, and Radovan Vadovic. “Against All Odds: Tentative Steps Toward Efficient Information Sharing in Groups.” <i>Games</i> 11, no. 3 (2020): 1--24."},"issue":"3","publication":"Games"}]