[{"abstract":[{"lang":"eng","text":"Programmability, control and flexibility can be considered as some of the indirect enablers for the success of 5G technologies. A key driver towards this are mechanisms or methodologies to drive shorter time to market for suppliers and operators of virtual network functions (VNFs) and network services. 5GTANGO includes a DevOps approach that can be utilized for the validation and verification (V&V) of VNFs and network services. In this paper, we elaborate further on the approaches made in the areas of testing, catalogues and package management as a means to enable that full DevOps V&V workflow. Finally, we explore the deployment requirement of the V&V via one of our pilot use cases."}],"status":"public","publication":"2018 European Conference on Networks and Communications (EuCNC)","type":"conference","_id":"4558","project":[{"_id":"28","name":"5G Development and validation platform for global industry-specific network services and Apps","grant_number":"761493"}],"user_id":"35343","year":"2018","citation":{"apa":"Twamley, P., Muller, M., Bok, P.-B., Xilouris, G. K., Sakkas, C., Kourtis, M. A., … Kyriazis, D. (2018). 5GTANGO: An Approach for Testing NFV Deployments. In <i>2018 European Conference on Networks and Communications (EuCNC)</i>. IEEE. <a href=\"https://doi.org/10.1109/eucnc.2018.8442844\">https://doi.org/10.1109/eucnc.2018.8442844</a>","short":"P. Twamley, M. Muller, P.-B. Bok, G.K. Xilouris, C. Sakkas, M.A. Kourtis, M. Peuster, S.B. Schneider, P. Stavrianos, D. Kyriazis, in: 2018 European Conference on Networks and Communications (EuCNC), IEEE, 2018.","bibtex":"@inproceedings{Twamley_Muller_Bok_Xilouris_Sakkas_Kourtis_Peuster_Schneider_Stavrianos_Kyriazis_2018, title={5GTANGO: An Approach for Testing NFV Deployments}, DOI={<a href=\"https://doi.org/10.1109/eucnc.2018.8442844\">10.1109/eucnc.2018.8442844</a>}, booktitle={2018 European Conference on Networks and Communications (EuCNC)}, publisher={IEEE}, author={Twamley, Peter and Muller, Marcel and Bok, Patrick-Beniamin and Xilouris, George K and Sakkas, Christos and Kourtis, Michail Alexandros and Peuster, Manuel and Schneider, Stefan Balthasar and Stavrianos, Panagiotis and Kyriazis, Dimosthenis}, year={2018} }","mla":"Twamley, Peter, et al. “5GTANGO: An Approach for Testing NFV Deployments.” <i>2018 European Conference on Networks and Communications (EuCNC)</i>, IEEE, 2018, doi:<a href=\"https://doi.org/10.1109/eucnc.2018.8442844\">10.1109/eucnc.2018.8442844</a>.","ama":"Twamley P, Muller M, Bok P-B, et al. 5GTANGO: An Approach for Testing NFV Deployments. In: <i>2018 European Conference on Networks and Communications (EuCNC)</i>. IEEE; 2018. doi:<a href=\"https://doi.org/10.1109/eucnc.2018.8442844\">10.1109/eucnc.2018.8442844</a>","chicago":"Twamley, Peter, Marcel Muller, Patrick-Beniamin Bok, George K Xilouris, Christos Sakkas, Michail Alexandros Kourtis, Manuel Peuster, Stefan Balthasar Schneider, Panagiotis Stavrianos, and Dimosthenis Kyriazis. “5GTANGO: An Approach for Testing NFV Deployments.” In <i>2018 European Conference on Networks and Communications (EuCNC)</i>. IEEE, 2018. <a href=\"https://doi.org/10.1109/eucnc.2018.8442844\">https://doi.org/10.1109/eucnc.2018.8442844</a>.","ieee":"P. Twamley <i>et al.</i>, “5GTANGO: An Approach for Testing NFV Deployments,” in <i>2018 European Conference on Networks and Communications (EuCNC)</i>, 2018."},"publication_identifier":{"isbn":["9781538614785"]},"publication_status":"published","title":"5GTANGO: An Approach for Testing NFV Deployments","doi":"10.1109/eucnc.2018.8442844","main_file_link":[{"url":"https://ieeexplore.ieee.org/abstract/document/8442844/"}],"publisher":"IEEE","date_updated":"2022-01-06T07:01:09Z","author":[{"last_name":"Twamley","full_name":"Twamley, Peter","first_name":"Peter"},{"first_name":"Marcel","full_name":"Muller, Marcel","last_name":"Muller"},{"last_name":"Bok","full_name":"Bok, Patrick-Beniamin","first_name":"Patrick-Beniamin"},{"first_name":"George K","full_name":"Xilouris, George K","last_name":"Xilouris"},{"last_name":"Sakkas","full_name":"Sakkas, Christos","first_name":"Christos"},{"first_name":"Michail Alexandros","full_name":"Kourtis, Michail Alexandros","last_name":"Kourtis"},{"first_name":"Manuel","last_name":"Peuster","full_name":"Peuster, Manuel","id":"13271"},{"first_name":"Stefan Balthasar","id":"35343","full_name":"Schneider, Stefan Balthasar","orcid":"0000-0001-8210-4011","last_name":"Schneider"},{"full_name":"Stavrianos, Panagiotis","last_name":"Stavrianos","first_name":"Panagiotis"},{"first_name":"Dimosthenis","last_name":"Kyriazis","full_name":"Kyriazis, Dimosthenis"}],"date_created":"2018-09-25T12:07:51Z"},{"conference":{"start_date":"2018-08-23","name":"14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) ","location":"Helsinki","end_date":"2018-08-24"},"title":"Competitive Routing in Hybrid Communication Networks","author":[{"last_name":"Jung","full_name":"Jung, Daniel","id":"37827","first_name":"Daniel"},{"id":"43647","full_name":"Kolb, Christina","last_name":"Kolb","first_name":"Christina"},{"first_name":"Christian","id":"20792","full_name":"Scheideler, Christian","last_name":"Scheideler"},{"last_name":"Sundermeier","id":"38705","full_name":"Sundermeier, Jannik","first_name":"Jannik"}],"date_created":"2018-10-02T07:06:05Z","date_updated":"2022-01-06T07:01:11Z","publisher":"Springer","citation":{"ieee":"D. Jung, C. Kolb, C. Scheideler, and J. Sundermeier, “Competitive Routing in Hybrid Communication Networks,” in <i>Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) </i>, Helsinki, 2018.","chicago":"Jung, Daniel, Christina Kolb, Christian Scheideler, and Jannik Sundermeier. “Competitive Routing in Hybrid Communication Networks.” In <i>Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) </i>. Springer, 2018.","ama":"Jung D, Kolb C, Scheideler C, Sundermeier J. Competitive Routing in Hybrid Communication Networks. In: <i>Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) </i>. Springer; 2018.","short":"D. Jung, C. Kolb, C. Scheideler, J. Sundermeier, in: Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) , Springer, 2018.","mla":"Jung, Daniel, et al. “Competitive Routing in Hybrid Communication Networks.” <i>Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) </i>, Springer, 2018.","bibtex":"@inproceedings{Jung_Kolb_Scheideler_Sundermeier_2018, title={Competitive Routing in Hybrid Communication Networks}, booktitle={Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) }, publisher={Springer}, author={Jung, Daniel and Kolb, Christina and Scheideler, Christian and Sundermeier, Jannik}, year={2018} }","apa":"Jung, D., Kolb, C., Scheideler, C., &#38; Sundermeier, J. (2018). Competitive Routing in Hybrid Communication Networks. In <i>Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) </i>. Helsinki: Springer."},"year":"2018","has_accepted_license":"1","language":[{"iso":"eng"}],"file_date_updated":"2019-01-11T10:32:38Z","ddc":["000"],"keyword":["greedy routing","ad hoc networks","convex hulls","c-competitiveness"],"user_id":"38705","department":[{"_id":"63"},{"_id":"79"}],"project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"name":"SFB 901 - Subproject A1","_id":"5"}],"_id":"4563","file":[{"success":1,"relation":"main_file","content_type":"application/pdf","file_size":349034,"file_name":"23hybrid.pdf","file_id":"6621","access_level":"closed","date_updated":"2019-01-11T10:32:38Z","date_created":"2019-01-11T10:32:38Z","creator":"ups"}],"status":"public","abstract":[{"text":"Routing is a challenging problem for wireless ad hoc networks, especially when the nodes are mobile and spread so widely that in most cases multiple hops are needed to route a message from one node to another. In fact, it is known that any online routing protocol has a poor performance in the worst case, in a sense that there is a distribution of nodes resulting in bad routing paths for that protocol, even if the nodes know their geographic positions and the geographic position of the destination of a message is known. The reason for that is that radio holes in the ad hoc network may require messages to take long detours in order to get to a destination, which are hard to find in an online fashion.\r\n\r\nIn this paper, we assume that the wireless ad hoc network can make limited use of long-range links provided by a global communication infrastructure like a cellular infrastructure or a satellite in order to compute an abstraction of the wireless ad hoc network that allows the messages to be sent along near-shortest paths in the ad hoc network. We present distributed algorithms that compute an abstraction of the ad hoc network in $\\mathcal{O}\\left(\\log ^2 n\\right)$ time using long-range links, which results in $c$-competitive routing paths between any two nodes of the ad hoc network for some constant $c$ if the convex hulls of the radio holes do not intersect. We also show that the storage needed for the abstraction just depends on the number and size of the radio holes in the wireless ad hoc network and is independent on the total number of nodes, and this information just has to be known to a few nodes for the routing to work.\r\n","lang":"eng"}],"type":"conference","publication":"Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) "},{"title":"The Generalized Nash Bargaining Solution for Transfer Price Negotiations under Incomplete Information","publisher":"Springer","date_created":"2018-10-02T07:15:26Z","year":"2018","quality_controlled":"1","issue":"6","ddc":["040"],"language":[{"iso":"eng"}],"abstract":[{"lang":"eng","text":"  In our model two divisions negotiate over type-dependent contracts to\r\n  determine an intrafirm transfer price for an intermediate product. Since the\r\n  upstream division's (seller's) costs and downstream division's (buyer's)\r\n  revenues are supposed to be private information, we formally consider\r\n  cooperative bargaining problems under incomplete information.  This means\r\n  that the two divisions consider allocations of expected utility generated by\r\n  mechanisms that satisfy (interim) individual rationality, incentive\r\n  compatibility and/or ex post efficiency.  Assuming two possible types for\r\n  buyer and seller each, we first establish that the bargaining problem is\r\n  regular, regardless whether or not incentive and/or efficiency constraints\r\n  are imposed. This allows us to apply the generalized Nash bargaining\r\n  solution to determine fair transfer payments and transfer\r\n  quantities. In particular, the generalized Nash bargaining solution tries to\r\n  balance divisional profits, while incentive constraints are still in\r\n  place. In that sense a fair profit division is generated. Furthermore, by\r\n  means of illustrative examples we derive general properties of this solution\r\n  for the transfer pricing problem and compare the model developed here with\r\n  the models existing in the literature. We demonstrate that there is a\r\n  tradeoff between ex post efficiency and fairness.\r\n"}],"file":[{"access_level":"closed","file_id":"5107","file_name":"The Generalized Nash Bargaining Solution for Transfer Price Negotiations Under Incomplete Information.pdf","file_size":636521,"date_created":"2018-10-31T07:43:31Z","creator":"stela","date_updated":"2018-10-31T07:43:31Z","relation":"main_file","success":1,"content_type":"application/pdf"}],"publication":"Group Decision and Negotiation","doi":"10.1007/s10726-018-9592-8","date_updated":"2022-01-06T07:01:11Z","author":[{"id":"20801","full_name":"Haake, Claus-Jochen","last_name":"Haake","first_name":"Claus-Jochen"},{"first_name":"Sonja","full_name":"Recker, Sonja","last_name":"Recker"}],"volume":27,"citation":{"apa":"Haake, C.-J., &#38; Recker, S. (2018). The Generalized Nash Bargaining Solution for Transfer Price Negotiations under Incomplete Information. <i>Group Decision and Negotiation</i>, <i>27</i>(6), 905–932. <a href=\"https://doi.org/10.1007/s10726-018-9592-8\">https://doi.org/10.1007/s10726-018-9592-8</a>","short":"C.-J. Haake, S. Recker, Group Decision and Negotiation 27 (2018) 905–932.","bibtex":"@article{Haake_Recker_2018, title={The Generalized Nash Bargaining Solution for Transfer Price Negotiations under Incomplete Information}, volume={27}, DOI={<a href=\"https://doi.org/10.1007/s10726-018-9592-8\">10.1007/s10726-018-9592-8</a>}, number={6}, journal={Group Decision and Negotiation}, publisher={Springer}, author={Haake, Claus-Jochen and Recker, Sonja}, year={2018}, pages={905–932} }","mla":"Haake, Claus-Jochen, and Sonja Recker. “The Generalized Nash Bargaining Solution for Transfer Price Negotiations under Incomplete Information.” <i>Group Decision and Negotiation</i>, vol. 27, no. 6, Springer, 2018, pp. 905–32, doi:<a href=\"https://doi.org/10.1007/s10726-018-9592-8\">10.1007/s10726-018-9592-8</a>.","chicago":"Haake, Claus-Jochen, and Sonja Recker. “The Generalized Nash Bargaining Solution for Transfer Price Negotiations under Incomplete Information.” <i>Group Decision and Negotiation</i> 27, no. 6 (2018): 905–32. <a href=\"https://doi.org/10.1007/s10726-018-9592-8\">https://doi.org/10.1007/s10726-018-9592-8</a>.","ieee":"C.-J. Haake and S. Recker, “The Generalized Nash Bargaining Solution for Transfer Price Negotiations under Incomplete Information,” <i>Group Decision and Negotiation</i>, vol. 27, no. 6, pp. 905–932, 2018.","ama":"Haake C-J, Recker S. The Generalized Nash Bargaining Solution for Transfer Price Negotiations under Incomplete Information. <i>Group Decision and Negotiation</i>. 2018;27(6):905-932. doi:<a href=\"https://doi.org/10.1007/s10726-018-9592-8\">10.1007/s10726-018-9592-8</a>"},"jel":["C78"],"page":"905-932","intvolume":"        27","publication_status":"published","has_accepted_license":"1","article_type":"original","file_date_updated":"2018-10-31T07:43:31Z","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"name":"SFB 901 - Subproject A3","_id":"7"}],"_id":"4564","user_id":"477","department":[{"_id":"205"},{"_id":"475"}],"status":"public","type":"journal_article"},{"status":"public","file":[{"date_updated":"2018-11-02T13:48:10Z","creator":"ups","date_created":"2018-11-02T13:48:10Z","file_size":1025077,"file_name":"p231-jung-1.pdf","access_level":"closed","file_id":"5254","content_type":"application/pdf","success":1,"relation":"main_file"}],"publication":"Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA)","type":"conference","ddc":["000"],"file_date_updated":"2018-11-02T13:48:10Z","language":[{"iso":"eng"}],"_id":"4565","project":[{"name":"SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - Project Area A"},{"name":"SFB 901 - Subproject A1","_id":"5"}],"department":[{"_id":"63"},{"_id":"79"}],"user_id":"38705","year":"2018","citation":{"mla":"Jung, Daniel, et al. “Brief Announcement: Competitive Routing in Hybrid Communication Networks.” <i>Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>, ACM Press, 2018, doi:<a href=\"https://doi.org/10.1145/3210377.3210663\">10.1145/3210377.3210663</a>.","bibtex":"@inproceedings{Jung_Kolb_Scheideler_Sundermeier_2018, title={Brief Announcement: Competitive Routing in Hybrid Communication Networks}, DOI={<a href=\"https://doi.org/10.1145/3210377.3210663\">10.1145/3210377.3210663</a>}, booktitle={Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA)}, publisher={ACM Press}, author={Jung, Daniel and Kolb, Christina and Scheideler, Christian and Sundermeier, Jannik}, year={2018} }","short":"D. Jung, C. Kolb, C. Scheideler, J. Sundermeier, in: Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA), ACM Press, 2018.","apa":"Jung, D., Kolb, C., Scheideler, C., &#38; Sundermeier, J. (2018). Brief Announcement: Competitive Routing in Hybrid Communication Networks. In <i>Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>. Wien: ACM Press. <a href=\"https://doi.org/10.1145/3210377.3210663\">https://doi.org/10.1145/3210377.3210663</a>","chicago":"Jung, Daniel, Christina Kolb, Christian Scheideler, and Jannik Sundermeier. “Brief Announcement: Competitive Routing in Hybrid Communication Networks.” In <i>Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>. ACM Press, 2018. <a href=\"https://doi.org/10.1145/3210377.3210663\">https://doi.org/10.1145/3210377.3210663</a>.","ieee":"D. Jung, C. Kolb, C. Scheideler, and J. Sundermeier, “Brief Announcement: Competitive Routing in Hybrid Communication Networks,” in <i>Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>, Wien, 2018.","ama":"Jung D, Kolb C, Scheideler C, Sundermeier J. Brief Announcement: Competitive Routing in Hybrid Communication Networks. In: <i>Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures (SPAA)</i>. ACM Press; 2018. doi:<a href=\"https://doi.org/10.1145/3210377.3210663\">10.1145/3210377.3210663</a>"},"has_accepted_license":"1","publication_identifier":{"isbn":["9781450357999"]},"publication_status":"published","title":"Brief Announcement: Competitive Routing in Hybrid Communication Networks","conference":{"start_date":"2018-07-17","name":"SPAA'18","location":"Wien","end_date":"2018-07-18"},"doi":"10.1145/3210377.3210663","publisher":"ACM Press","date_updated":"2022-01-06T07:01:12Z","author":[{"full_name":"Jung, Daniel","id":"37827","last_name":"Jung","first_name":"Daniel"},{"last_name":"Kolb","full_name":"Kolb, Christina","id":"43647","first_name":"Christina"},{"first_name":"Christian","id":"20792","full_name":"Scheideler, Christian","last_name":"Scheideler"},{"first_name":"Jannik","full_name":"Sundermeier, Jannik","id":"38705","last_name":"Sundermeier"}],"date_created":"2018-10-02T07:34:47Z"},{"date_updated":"2022-01-06T07:01:13Z","publisher":"30. Workshop \"Testmethoden und Zuverlässigkeit von Schaltungen und Systemen\" (TuZ'18)","author":[{"last_name":"Sprenger","id":"22707","full_name":"Sprenger, Alexander","first_name":"Alexander"},{"orcid":"0000-0002-3717-3939","last_name":"Hellebrand","full_name":"Hellebrand, Sybille","id":"209","first_name":"Sybille"}],"date_created":"2018-10-02T12:29:44Z","title":"Stochastische Kompaktierung für den Hochgeschwindigkeitstest","place":"Freiburg, Germany","year":"2018","citation":{"chicago":"Sprenger, Alexander, and Sybille Hellebrand. <i>Stochastische Kompaktierung für den Hochgeschwindigkeitstest</i>. Freiburg, Germany: 30. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’18), 2018.","ieee":"A. Sprenger and S. Hellebrand, <i>Stochastische Kompaktierung für den Hochgeschwindigkeitstest</i>. Freiburg, Germany: 30. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’18), 2018.","ama":"Sprenger A, Hellebrand S. <i>Stochastische Kompaktierung für den Hochgeschwindigkeitstest</i>. Freiburg, Germany: 30. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’18); 2018.","short":"A. Sprenger, S. Hellebrand, Stochastische Kompaktierung für den Hochgeschwindigkeitstest, 30. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’18), Freiburg, Germany, 2018.","mla":"Sprenger, Alexander, and Sybille Hellebrand. <i>Stochastische Kompaktierung für den Hochgeschwindigkeitstest</i>. 30. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’18), 2018.","bibtex":"@book{Sprenger_Hellebrand_2018, place={Freiburg, Germany}, title={Stochastische Kompaktierung für den Hochgeschwindigkeitstest}, publisher={30. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’18)}, author={Sprenger, Alexander and Hellebrand, Sybille}, year={2018} }","apa":"Sprenger, A., &#38; Hellebrand, S. (2018). <i>Stochastische Kompaktierung für den Hochgeschwindigkeitstest</i>. Freiburg, Germany: 30. Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen” (TuZ’18)."},"_id":"4576","user_id":"22707","department":[{"_id":"48"}],"keyword":["WORKSHOP"],"language":[{"iso":"ger"}],"type":"misc","status":"public"},{"status":"public","file":[{"creator":"abursig","date_created":"2018-12-03T15:17:56Z","date_updated":"2018-12-03T15:17:56Z","access_level":"closed","file_name":"An Extended Perspective of Technology Pivots in Software Startups.pdf","file_id":"5988","file_size":808601,"content_type":"application/pdf","relation":"main_file","success":1}],"publication":"Proceedings of the 39th International Conference on Information Systems (ICIS)","type":"conference","ddc":["040"],"language":[{"iso":"eng"}],"file_date_updated":"2018-12-03T15:17:56Z","_id":"4577","project":[{"name":"SFB 901","_id":"1"},{"_id":"4","name":"SFB 901 - Project Area C"},{"name":"SFB 901 - Subproject C5","_id":"17"}],"department":[{"_id":"276"}],"user_id":"16205","year":"2018","citation":{"apa":"Bohn, N., &#38; Kundisch, D. (2018). An Extended Perspective of Technology Pivots in Software Startups: Towards a Theoretical Model. In <i>Proceedings of the 39th International Conference on Information Systems (ICIS)</i>. San Francisco, USA.","mla":"Bohn, Nicolai, and Dennis Kundisch. “An Extended Perspective of Technology Pivots in Software Startups: Towards a Theoretical Model.” <i>Proceedings of the 39th International Conference on Information Systems (ICIS)</i>, 2018.","bibtex":"@inproceedings{Bohn_Kundisch_2018, title={An Extended Perspective of Technology Pivots in Software Startups: Towards a Theoretical Model}, booktitle={Proceedings of the 39th International Conference on Information Systems (ICIS)}, author={Bohn, Nicolai and Kundisch, Dennis}, year={2018} }","short":"N. Bohn, D. Kundisch, in: Proceedings of the 39th International Conference on Information Systems (ICIS), 2018.","ama":"Bohn N, Kundisch D. An Extended Perspective of Technology Pivots in Software Startups: Towards a Theoretical Model. In: <i>Proceedings of the 39th International Conference on Information Systems (ICIS)</i>. ; 2018.","ieee":"N. Bohn and D. Kundisch, “An Extended Perspective of Technology Pivots in Software Startups: Towards a Theoretical Model,” in <i>Proceedings of the 39th International Conference on Information Systems (ICIS)</i>, San Francisco, USA, 2018.","chicago":"Bohn, Nicolai, and Dennis Kundisch. “An Extended Perspective of Technology Pivots in Software Startups: Towards a Theoretical Model.” In <i>Proceedings of the 39th International Conference on Information Systems (ICIS)</i>, 2018."},"has_accepted_license":"1","title":"An Extended Perspective of Technology Pivots in Software Startups: Towards a Theoretical Model","conference":{"location":"San Francisco, USA","name":"39th International Conference on Information Systems (ICIS)"},"date_updated":"2022-01-06T07:01:13Z","author":[{"first_name":"Nicolai","id":"10342","full_name":"Bohn, Nicolai","last_name":"Bohn"},{"first_name":"Dennis","last_name":"Kundisch","full_name":"Kundisch, Dennis","id":"21117"}],"date_created":"2018-10-02T13:05:12Z"},{"publication":"2018 IEEE 17th International Conference on Mathematical Methods in Electromagnetic Theory (MMET)","file":[{"content_type":"application/pdf","relation":"main_file","success":1,"creator":"fossie","date_created":"2018-10-02T17:13:55Z","date_updated":"2018-10-02T17:13:55Z","file_name":"2018-09 Hammer - MMET (final draft).pdf","access_level":"closed","file_id":"4580","file_size":242956}],"abstract":[{"lang":"eng","text":"Semi-guided waves confined in dielectric slab waveguides are being considered for oblique angles of propagation. If the waves encounter a linear discontinuity of (mostly) arbitrary shape and extension, a variant of Snell's law applies, separately for each pair of incoming and outgoing modes. Depending on the effective indices involved, and on the angle of incidence, power transfer to specific outgoing waves can be allowed or forbidden. In particular, critical angles of incidence can be identified, beyond which any power transfer to non-guided waves is forbidden, i.e. all radiative losses are suppressed. In that case the input power is carried away from the discontinuity exclusively by reflected semi-guided waves in the input slab, or by semi-guided waves that are transmitted into other outgoing slab waveguides. Vectorial equations on a 2-D cross sectional domain apply. These are formally identical to the equations that govern the eigenmodes of 3-D channel waveguides. Here, however, these need to be solved not as an eigenvalue problem, but as an inhomogeneous problem with a right-hand-side that is given by the incoming semi-guided wave, and subject to transparent boundary conditions. The equations resemble a standard 2-D Helmholtz problem, with an effective permittivity in place of the actual relative permittivity. Depending on the properties of the incoming wave, including the angle of incidence, this effective permittivity can become locally negative, causing the suppression of propagating outgoing waves. A series of high-contrast example configurations are discussed, where these effects lead to - in some respects - quite surprising transmission characteristics."}],"keyword":["tet_topic_waveguides"],"ddc":["530"],"year":"2018","date_created":"2018-10-02T17:11:59Z","publisher":"IEEE","title":"Oblique Semi-Guided Waves: 2-D Integrated Photonics with Negative Effective Permittivity","type":"conference","status":"public","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}],"user_id":"158","_id":"4579","project":[{"_id":"53","name":"TRR 142"},{"_id":"56","name":"TRR 142 - Project Area C"},{"name":"TRR 142 - Subproject C5","_id":"75"}],"file_date_updated":"2018-10-02T17:13:55Z","has_accepted_license":"1","publication_identifier":{"isbn":["9781538654385"]},"publication_status":"published","citation":{"ama":"Hammer M, Ebers L, Hildebrandt A, Alhaddad S, Förstner J. Oblique Semi-Guided Waves: 2-D Integrated Photonics with Negative Effective Permittivity. 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Fay, and J. vom Brocke. “The Effect of Big Data and Analytics on Firm Performance: An Econometric Analysis Considering Industry Characteristics.” <i>Journal of Management Information Systems</i>, no. 2 (2018): 488--509. <a href=\"https://doi.org/10.1080/07421222.2018.1451955\">https://doi.org/10.1080/07421222.2018.1451955</a>."},"year":"2018","author":[{"first_name":"Oliver","last_name":"Müller","full_name":"Müller, Oliver","id":"72849"},{"first_name":"M.","full_name":"Fay, M.","last_name":"Fay"},{"last_name":"vom Brocke","full_name":"vom Brocke, J.","first_name":"J."}],"date_created":"2018-10-12T08:24:14Z","date_updated":"2022-01-06T07:01:18Z","doi":"10.1080/07421222.2018.1451955","title":"The Effect of Big Data and Analytics on Firm Performance: An Econometric Analysis Considering Industry Characteristics","publication":"Journal of Management Information Systems","type":"journal_article","status":"public","user_id":"72849","_id":"4681","language":[{"iso":"eng"}],"extern":"1"},{"status":"public","publication":"Proceedings of the 39th International Conference on Information Systems","type":"conference","department":[{"_id":"526"}],"series_title":"ICIS '18","user_id":"21671","_id":"4766","project":[{"_id":"35","name":"​Interaktive Einkaufserlebnisse in Innenstädten durch digitale Dienstleistungen","grant_number":"​02K15A073"}],"citation":{"bibtex":"@inproceedings{Ingo Berendes_Bartelheimer_Hendrik Betzing_Beverungen_2018, place={San Francisco, CA, USA}, series={ICIS ’18}, title={Data-driven Customer Journey Mapping in Local High Streets: A Domain-specific Modeling Language}, booktitle={Proceedings of the 39th International Conference on Information Systems}, author={Ingo Berendes, C. and Bartelheimer, Christian and Hendrik Betzing, Jan and Beverungen, Daniel}, year={2018}, collection={ICIS ’18} }","short":"C. Ingo Berendes, C. Bartelheimer, J. Hendrik Betzing, D. Beverungen, in: Proceedings of the 39th International Conference on Information Systems, San Francisco, CA, USA, 2018.","mla":"Ingo Berendes, C., et al. “Data-Driven Customer Journey Mapping in Local High Streets: A Domain-Specific Modeling Language.” <i>Proceedings of the 39th International Conference on Information Systems</i>, 2018.","apa":"Ingo Berendes, C., Bartelheimer, C., Hendrik Betzing, J., &#38; Beverungen, D. (2018). Data-driven Customer Journey Mapping in Local High Streets: A Domain-specific Modeling Language. In <i>Proceedings of the 39th International Conference on Information Systems</i>. San Francisco, CA, USA.","ama":"Ingo Berendes C, Bartelheimer C, Hendrik Betzing J, Beverungen D. Data-driven Customer Journey Mapping in Local High Streets: A Domain-specific Modeling Language. In: <i>Proceedings of the 39th International Conference on Information Systems</i>. ICIS ’18. San Francisco, CA, USA; 2018.","chicago":"Ingo Berendes, C., Christian Bartelheimer, Jan Hendrik Betzing, and Daniel Beverungen. “Data-Driven Customer Journey Mapping in Local High Streets: A Domain-Specific Modeling Language.” In <i>Proceedings of the 39th International Conference on Information Systems</i>. ICIS ’18. San Francisco, CA, USA, 2018.","ieee":"C. Ingo Berendes, C. Bartelheimer, J. Hendrik Betzing, and D. Beverungen, “Data-driven Customer Journey Mapping in Local High Streets: A Domain-specific Modeling Language,” in <i>Proceedings of the 39th International Conference on Information Systems</i>, San Francisco USA, 2018."},"place":"San Francisco, CA, USA","year":"2018","conference":{"location":"San Francisco USA","name":"39th International Conference on Information Systems"},"title":"Data-driven Customer Journey Mapping in Local High Streets: A Domain-specific Modeling Language","date_created":"2018-10-18T07:58:21Z","author":[{"full_name":"Ingo Berendes, C.","last_name":"Ingo Berendes","first_name":"C."},{"last_name":"Bartelheimer","id":"49160","full_name":"Bartelheimer, Christian","first_name":"Christian"},{"full_name":"Hendrik Betzing, Jan","last_name":"Hendrik Betzing","first_name":"Jan"},{"last_name":"Beverungen","id":"59677","full_name":"Beverungen, Daniel","first_name":"Daniel"}],"date_updated":"2022-01-06T07:01:21Z"},{"user_id":"53344","date_created":"2018-10-18T08:04:14Z","author":[{"first_name":"Christian","last_name":"Bartelheimer","full_name":"Bartelheimer, Christian","id":"49160"},{"last_name":"Betzing","full_name":"Betzing, Jan H","first_name":"Jan H"},{"first_name":"Carsten Ingo","full_name":"Berendes, Carsten Ingo","id":"53344","last_name":"Berendes"},{"last_name":"Beverungen","id":"59677","full_name":"Beverungen, Daniel","first_name":"Daniel"}],"date_updated":"2022-01-06T07:01:21Z","_id":"4768","title":"Designing Multi-sided Community Platforms for Local High Street Retail","type":"conference","publication":"Proceedings of the 26th European Conference on Information Systems","citation":{"chicago":"Bartelheimer, Christian, Jan H Betzing, Carsten Ingo Berendes, and Daniel Beverungen. “Designing Multi-Sided Community Platforms for Local High Street Retail.” In <i>Proceedings of the 26th European Conference on Information Systems</i>, 2018.","ieee":"C. Bartelheimer, J. H. Betzing, C. I. Berendes, and D. Beverungen, “Designing Multi-sided Community Platforms for Local High Street Retail,” in <i>Proceedings of the 26th European Conference on Information Systems</i>, 2018.","ama":"Bartelheimer C, Betzing JH, Berendes CI, Beverungen D. Designing Multi-sided Community Platforms for Local High Street Retail. In: <i>Proceedings of the 26th European Conference on Information Systems</i>. ; 2018.","apa":"Bartelheimer, C., Betzing, J. H., Berendes, C. I., &#38; Beverungen, D. (2018). Designing Multi-sided Community Platforms for Local High Street Retail. In <i>Proceedings of the 26th European Conference on Information Systems</i>.","bibtex":"@inproceedings{Bartelheimer_Betzing_Berendes_Beverungen_2018, title={Designing Multi-sided Community Platforms for Local High Street Retail}, booktitle={Proceedings of the 26th European Conference on Information Systems}, author={Bartelheimer, Christian and Betzing, Jan H and Berendes, Carsten Ingo and Beverungen, Daniel}, year={2018} }","mla":"Bartelheimer, Christian, et al. “Designing Multi-Sided Community Platforms for Local High Street Retail.” <i>Proceedings of the 26th European Conference on Information Systems</i>, 2018.","short":"C. Bartelheimer, J.H. Betzing, C.I. Berendes, D. Beverungen, in: Proceedings of the 26th European Conference on Information Systems, 2018."},"status":"public","year":"2018"},{"page":"29--35","citation":{"bibtex":"@article{Gilroy_Golderbein_2018, title={Die ökonomische Inzidenz von Sozialversicherungsbeiträgen aus internationaler Perspektive}, number={4}, journal={WiSt-Wirtschaftswissenschaftliches Studium}, author={Gilroy, Bernard Michael and Golderbein, Alexander}, year={2018}, pages={29--35} }","mla":"Gilroy, Bernard Michael, and Alexander Golderbein. “Die Ökonomische Inzidenz von Sozialversicherungsbeiträgen Aus Internationaler Perspektive.” <i>WiSt-Wirtschaftswissenschaftliches Studium</i>, no. 4, 2018, pp. 29--35.","short":"B.M. Gilroy, A. Golderbein, WiSt-Wirtschaftswissenschaftliches Studium (2018) 29--35.","apa":"Gilroy, B. M., &#38; Golderbein, A. (2018). Die ökonomische Inzidenz von Sozialversicherungsbeiträgen aus internationaler Perspektive. <i>WiSt-Wirtschaftswissenschaftliches Studium</i>, (4), 29--35.","chicago":"Gilroy, Bernard Michael, and Alexander Golderbein. “Die Ökonomische Inzidenz von Sozialversicherungsbeiträgen Aus Internationaler Perspektive.” <i>WiSt-Wirtschaftswissenschaftliches Studium</i>, no. 4 (2018): 29--35.","ieee":"B. M. Gilroy and A. Golderbein, “Die ökonomische Inzidenz von Sozialversicherungsbeiträgen aus internationaler Perspektive,” <i>WiSt-Wirtschaftswissenschaftliches Studium</i>, no. 4, pp. 29--35, 2018.","ama":"Gilroy BM, Golderbein A. Die ökonomische Inzidenz von Sozialversicherungsbeiträgen aus internationaler Perspektive. <i>WiSt-Wirtschaftswissenschaftliches Studium</i>. 2018;(4):29--35."},"year":"2018","issue":"4","title":"Die ökonomische Inzidenz von Sozialversicherungsbeiträgen aus internationaler Perspektive","author":[{"full_name":"Gilroy, Bernard Michael","id":"175","last_name":"Gilroy","first_name":"Bernard Michael"},{"first_name":"Alexander","id":"29629","full_name":"Golderbein, Alexander","last_name":"Golderbein"}],"date_created":"2018-10-18T10:22:32Z","date_updated":"2022-01-06T07:01:21Z","status":"public","publication":"WiSt-Wirtschaftswissenschaftliches Studium","type":"journal_article","department":[{"_id":"203"}],"user_id":"26589","_id":"4772"},{"language":[{"iso":"eng"}],"user_id":"4481","_id":"4778","status":"public","abstract":[{"text":"As data driven decision-making using business intelligence and analytics (BI&A) becomes standard in companies, the importance of mitigating the accompanying growth in costs increases. Research shows that increasing transparency to the granularity of individual BI&A artefacts such as reports or analytic applications is a necessary means, but in practice the introduction of said systems is cumbersome and adoption is slow. We address the status quo of BI&A cost accounting for three types of stakeholders: users, developers and managers. The results show in which areas of application a strong need for action exists and we identify major challenges for further research are ahead. Our findings indicate for example that managers at the same time regard cost accounting for BI&A with a higher potential benefit while they also believe they have already established a higher degree of implementation in their enterprises compared to the other stakeholder types. We conclude that BI&A professionals have to consider these different perceptions to run a successful department and gain traction for BI&A cost accounting.","lang":"eng"}],"publication":"Proceedings of the 51st Hawaii International Conference on System Sciences","type":"conference","doi":"10.24251/hicss.2018.095","main_file_link":[{"url":"https://scholarspace.manoa.hawaii.edu/bitstream/10125/49982/1/paper0095.pdf","open_access":"1"}],"title":"Business Intelligence & Analytics Cost Accounting: A Survey on the Perceptions of Stakeholders","author":[{"last_name":"Grytz","full_name":"Grytz, Raphael","id":"4481","first_name":"Raphael"},{"last_name":"Krohn-Grimberghe","full_name":"Krohn-Grimberghe, Artus","first_name":"Artus"}],"date_created":"2018-10-18T18:18:44Z","date_updated":"2022-01-06T07:01:21Z","oa":"1","publisher":"Hawaii International Conference on System Sciences","citation":{"ama":"Grytz R, Krohn-Grimberghe A. Business Intelligence &#38; Analytics Cost Accounting: A Survey on the Perceptions of Stakeholders. In: <i>Proceedings of the 51st Hawaii International Conference on System Sciences</i>. Koloa, HI, USA: Hawaii International Conference on System Sciences; 2018. doi:<a href=\"https://doi.org/10.24251/hicss.2018.095\">10.24251/hicss.2018.095</a>","chicago":"Grytz, Raphael, and Artus Krohn-Grimberghe. “Business Intelligence &#38; Analytics Cost Accounting: A Survey on the Perceptions of Stakeholders.” In <i>Proceedings of the 51st Hawaii International Conference on System Sciences</i>. Koloa, HI, USA: Hawaii International Conference on System Sciences, 2018. <a href=\"https://doi.org/10.24251/hicss.2018.095\">https://doi.org/10.24251/hicss.2018.095</a>.","ieee":"R. Grytz and A. Krohn-Grimberghe, “Business Intelligence &#38; Analytics Cost Accounting: A Survey on the Perceptions of Stakeholders,” in <i>Proceedings of the 51st Hawaii International Conference on System Sciences</i>, 2018.","apa":"Grytz, R., &#38; Krohn-Grimberghe, A. (2018). Business Intelligence &#38; Analytics Cost Accounting: A Survey on the Perceptions of Stakeholders. In <i>Proceedings of the 51st Hawaii International Conference on System Sciences</i>. Koloa, HI, USA: Hawaii International Conference on System Sciences. <a href=\"https://doi.org/10.24251/hicss.2018.095\">https://doi.org/10.24251/hicss.2018.095</a>","bibtex":"@inproceedings{Grytz_Krohn-Grimberghe_2018, place={Koloa, HI, USA}, title={Business Intelligence &#38; Analytics Cost Accounting: A Survey on the Perceptions of Stakeholders}, DOI={<a href=\"https://doi.org/10.24251/hicss.2018.095\">10.24251/hicss.2018.095</a>}, booktitle={Proceedings of the 51st Hawaii International Conference on System Sciences}, publisher={Hawaii International Conference on System Sciences}, author={Grytz, Raphael and Krohn-Grimberghe, Artus}, year={2018} }","short":"R. Grytz, A. Krohn-Grimberghe, in: Proceedings of the 51st Hawaii International Conference on System Sciences, Hawaii International Conference on System Sciences, Koloa, HI, USA, 2018.","mla":"Grytz, Raphael, and Artus Krohn-Grimberghe. “Business Intelligence &#38; Analytics Cost Accounting: A Survey on the Perceptions of Stakeholders.” <i>Proceedings of the 51st Hawaii International Conference on System Sciences</i>, Hawaii International Conference on System Sciences, 2018, doi:<a href=\"https://doi.org/10.24251/hicss.2018.095\">10.24251/hicss.2018.095</a>."},"year":"2018","place":"Koloa, HI, USA","publication_identifier":{"isbn":["9780998133119"]},"publication_status":"published"}]