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Effects of Vertical Price Placement on Consumer Behaviour: A VR-Based Investigation Including Eye Tracking. <i>Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)</i>."},"publication":"Proceedings of the 28th International Conference on Human-Computer Interaction (HCII 2026)","date_created":"2026-06-16T07:07:27Z","department":[{"_id":"66"},{"_id":"534"}],"type":"conference"},{"author":[{"last_name":"Seidan","first_name":"Salah","full_name":"Seidan, Salah"},{"full_name":"Yigitbas, Enes","last_name":"Yigitbas","first_name":"Enes","orcid":"0000-0002-5967-833X","id":"8447"},{"first_name":"Justus","last_name":"Leichtweiß","full_name":"Leichtweiß, Justus"}],"title":"Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic","status":"public","year":"2026","date_updated":"2026-06-16T07:13:44Z","language":[{"iso":"eng"}],"_id":"65903","publisher":"IEEE","user_id":"8447","citation":{"bibtex":"@inproceedings{Seidan_Yigitbas_Leichtweiß_2026, title={Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic}, booktitle={Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)}, publisher={IEEE}, author={Seidan, Salah and Yigitbas, Enes and Leichtweiß, Justus}, year={2026} }","ama":"Seidan S, Yigitbas E, Leichtweiß J. Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic. In: <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>. IEEE; 2026.","mla":"Seidan, Salah, et al. “Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic.” <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>, IEEE, 2026.","short":"S. Seidan, E. Yigitbas, J. Leichtweiß, in: Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026), IEEE, 2026.","chicago":"Seidan, Salah, Enes Yigitbas, and Justus Leichtweiß. “Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic.” In <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>. IEEE, 2026.","ieee":"S. Seidan, E. Yigitbas, and J. Leichtweiß, “Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic,” 2026.","apa":"Seidan, S., Yigitbas, E., &#38; Leichtweiß, J. (2026). Change Your Perspective - A VR Driving Simulator to Enhance Safety Awareness in Public Road Traffic. <i>Proceedings of the 10th International Conference on Intelligent Computing and Virtual &#38; Augmented Reality Simulations (ICVARS 2026)</i>."},"publication":"Proceedings of the 10th International Conference on Intelligent Computing and Virtual & Augmented Reality Simulations (ICVARS 2026)","date_created":"2026-06-16T07:13:08Z","department":[{"_id":"66"},{"_id":"534"}],"type":"conference"},{"title":"A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications","status":"public","year":"2026","author":[{"id":"64063","full_name":"Krings, Sarah Claudia","orcid":"0000-0001-8040-7553","first_name":"Sarah Claudia","last_name":"Krings"},{"id":"8447","last_name":"Yigitbas","orcid":"0000-0002-5967-833X","first_name":"Enes","full_name":"Yigitbas, Enes"},{"first_name":"Stefan","last_name":"Sauer","full_name":"Sauer, Stefan"}],"date_updated":"2026-06-16T07:16:46Z","_id":"65904","language":[{"iso":"eng"}],"publisher":"ACM","user_id":"8447","publication":"Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)","citation":{"chicago":"Krings, Sarah Claudia, Enes Yigitbas, and Stefan Sauer. “A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications.” In <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>. ACM, 2026.","short":"S.C. Krings, E. Yigitbas, S. Sauer, in: Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026), ACM, 2026.","ieee":"S. C. Krings, E. Yigitbas, and S. Sauer, “A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications,” 2026.","apa":"Krings, S. C., Yigitbas, E., &#38; Sauer, S. (2026). A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications. <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>.","bibtex":"@inproceedings{Krings_Yigitbas_Sauer_2026, title={A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications}, booktitle={Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)}, publisher={ACM}, author={Krings, Sarah Claudia and Yigitbas, Enes and Sauer, Stefan}, year={2026} }","ama":"Krings SC, Yigitbas E, Sauer S. A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications. In: <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>. ACM; 2026.","mla":"Krings, Sarah Claudia, et al. “A Framework Supporting Context-Awareness for Transitional Cross-Reality Applications.” <i>Proceedings of the 18th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2026)</i>, ACM, 2026."},"date_created":"2026-06-16T07:16:12Z","type":"conference","department":[{"_id":"66"},{"_id":"534"}]},{"date_created":"2026-06-16T07:19:59Z","department":[{"_id":"66"},{"_id":"534"}],"type":"journal_article","citation":{"short":"E. Yigitbas, A. Dell’Aquila, Proceedings of the ACM on Human-Computer Interaction - EICS  (2026).","chicago":"Yigitbas, Enes, and Alessio Dell’Aquila. “Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance.” <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>, 2026.","ieee":"E. Yigitbas and A. Dell’Aquila, “Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance,” <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>, 2026.","apa":"Yigitbas, E., &#38; Dell’Aquila, A. (2026). Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance. <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>.","bibtex":"@article{Yigitbas_Dell’Aquila_2026, title={Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance}, journal={Proceedings of the ACM on Human-Computer Interaction - EICS }, publisher={ACM}, author={Yigitbas, Enes and Dell’Aquila, Alessio}, year={2026} }","ama":"Yigitbas E, Dell’Aquila A. Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance. <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>. Published online 2026.","mla":"Yigitbas, Enes, and Alessio Dell’Aquila. “Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance.” <i>Proceedings of the ACM on Human-Computer Interaction - EICS </i>, ACM, 2026."},"publication":"Proceedings of the ACM on Human-Computer Interaction - EICS ","publisher":"ACM","_id":"65905","language":[{"iso":"eng"}],"user_id":"8447","author":[{"full_name":"Yigitbas, Enes","first_name":"Enes","last_name":"Yigitbas","orcid":"0000-0002-5967-833X","id":"8447"},{"full_name":"Dell'Aquila, Alessio","last_name":"Dell'Aquila","first_name":"Alessio"}],"status":"public","title":"Exploring the Dynamics of Authoring Interactive VR Environments: Human Collaboration vs. AI Assistance","year":"2026","date_updated":"2026-06-16T07:20:03Z"},{"user_id":"71541","_id":"56950","language":[{"iso":"eng"}],"publication_status":"accepted","date_updated":"2026-06-19T08:01:13Z","title":"Hardness of approximation for ground state problems","year":"2026","status":"public","author":[{"id":"71541","first_name":"Sevag","last_name":"Gharibian","orcid":"0000-0002-9992-3379","full_name":"Gharibian, Sevag"},{"first_name":"Carsten","last_name":"Hecht","full_name":"Hecht, Carsten"}],"type":"conference","department":[{"_id":"7"},{"_id":"623"}],"external_id":{"arxiv":["2411.04874"]},"date_created":"2024-11-08T07:58:24Z","abstract":[{"text":"After nearly two decades of research, the question of a quantum PCP theorem\r\nfor quantum Constraint Satisfaction Problems (CSPs) remains wide open. As a\r\nresult, proving QMA-hardness of approximation for ground state energy\r\nestimation has remained elusive. Recently, it was shown [Bittel, Gharibian,\r\nKliesch, CCC 2023] that a natural problem involving variational quantum\r\ncircuits is QCMA-hard to approximate within ratio N^(1-eps) for any eps > 0 and\r\nN the input size. Unfortunately, this problem was not related to quantum CSPs,\r\nleaving the question of hardness of approximation for quantum CSPs open. In\r\nthis work, we show that if instead of focusing on ground state energies, one\r\nconsiders computing properties of the ground space, QCMA-hardness of computing\r\nground space properties can be shown. In particular, we show that it is (1)\r\nQCMA-complete within ratio N^(1-eps) to approximate the Ground State\r\nConnectivity problem (GSCON), and (2) QCMA-hard within the same ratio to\r\nestimate the amount of entanglement of a local Hamiltonian's ground state,\r\ndenoted Ground State Entanglement (GSE). As a bonus, a simplification of our\r\nconstruction yields NP-completeness of approximation for a natural k-SAT\r\nreconfiguration problem, to be contrasted with the recent PCP-based PSPACE\r\nhardness of approximation results for a different definition of k-SAT\r\nreconfiguration [Karthik C.S. and Manurangsi, 2023, and Hirahara, Ohsaka, STOC\r\n2024].","lang":"eng"}],"publication":"51st International Symposium on Mathematical Foundations of Computer Science (MFCS)","citation":{"ama":"Gharibian S, Hecht C. Hardness of approximation for ground state problems. In: <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>.","bibtex":"@inproceedings{Gharibian_Hecht, title={Hardness of approximation for ground state problems}, booktitle={51st International Symposium on Mathematical Foundations of Computer Science (MFCS)}, author={Gharibian, Sevag and Hecht, Carsten} }","mla":"Gharibian, Sevag, and Carsten Hecht. “Hardness of Approximation for Ground State Problems.” <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>.","short":"S. Gharibian, C. Hecht, in: 51st International Symposium on Mathematical Foundations of Computer Science (MFCS), n.d.","chicago":"Gharibian, Sevag, and Carsten Hecht. “Hardness of Approximation for Ground State Problems.” In <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>, n.d.","apa":"Gharibian, S., &#38; Hecht, C. (n.d.). Hardness of approximation for ground state problems. <i>51st International Symposium on Mathematical Foundations of Computer Science (MFCS)</i>.","ieee":"S. Gharibian and C. Hecht, “Hardness of approximation for ground state problems.”"}},{"citation":{"bibtex":"@inproceedings{Corman_Kontchakov_Okulmus_2026, title={Querying Interval-Based Temporal Data with SPARQL}, booktitle={Proceedings of the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026)}, author={Corman, Julien and Kontchakov, Roman and Okulmus, Cem}, year={2026} }","ama":"Corman J, Kontchakov R, Okulmus C. Querying Interval-Based Temporal Data with SPARQL. In: <i>Proceedings of the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026)</i>. ; 2026.","mla":"Corman, Julien, et al. “Querying Interval-Based Temporal Data with SPARQL.” <i>Proceedings of the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026)</i>, 2026.","chicago":"Corman, Julien, Roman Kontchakov, and Cem Okulmus. “Querying Interval-Based Temporal Data with SPARQL.” In <i>Proceedings of the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026)</i>, 2026.","short":"J. Corman, R. Kontchakov, C. Okulmus, in: Proceedings of the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026), 2026.","ieee":"J. Corman, R. Kontchakov, and C. Okulmus, “Querying Interval-Based Temporal Data with SPARQL,” presented at the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026), Cork, Ireland, 2026.","apa":"Corman, J., Kontchakov, R., &#38; Okulmus, C. (2026). Querying Interval-Based Temporal Data with SPARQL. <i>Proceedings of the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026)</i>. 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026), Cork, Ireland."},"publication":"Proceedings of the 33rd International Symposium on Temporal Representation and Reasoning (TIME 2026)","department":[{"_id":"888"}],"type":"conference","date_created":"2026-07-08T11:11:24Z","date_updated":"2026-07-08T11:13:04Z","conference":{"location":"Cork, Ireland","name":"33rd International Symposium on Temporal Representation and Reasoning (TIME 2026)","start_date":"2026-09-01","end_date":"2026-09-03"},"author":[{"first_name":"Julien","last_name":"Corman","full_name":"Corman, Julien"},{"full_name":"Kontchakov, Roman","first_name":"Roman","last_name":"Kontchakov"},{"id":"114410","full_name":"Okulmus, Cem","first_name":"Cem","last_name":"Okulmus","orcid":"0000-0002-7742-0439"}],"title":"Querying Interval-Based Temporal Data with SPARQL","year":"2026","status":"public","user_id":"114410","_id":"66378","language":[{"iso":"eng"}]},{"status":"public","title":"Reaching for the Stars in EL Concept Learning","year":"2026","author":[{"last_name":"Gortworst","first_name":"Bente","full_name":"Gortworst, Bente"},{"last_name":"Okulmus","orcid":"0000-0002-7742-0439","first_name":"Cem","full_name":"Okulmus, Cem","id":"114410"},{"last_name":"Ortiz","first_name":"Magdalena","full_name":"Ortiz, Magdalena"},{"last_name":"Turhan","first_name":"Anni-Yasmin","full_name":"Turhan, Anni-Yasmin","id":"104470"}],"date_updated":"2026-07-08T11:23:25Z","_id":"66379","language":[{"iso":"eng"}],"user_id":"114410","publication":"Proceedings of the 39th International Workshop on Description Logics (DL 2026)","citation":{"apa":"Gortworst, B., Okulmus, C., Ortiz, M., &#38; Turhan, A.-Y. (2026). Reaching for the Stars in EL Concept Learning. <i>Proceedings of the 39th International Workshop on Description Logics (DL 2026)</i>.","ieee":"B. Gortworst, C. Okulmus, M. Ortiz, and A.-Y. Turhan, “Reaching for the Stars in EL Concept Learning,” 2026.","short":"B. Gortworst, C. Okulmus, M. Ortiz, A.-Y. Turhan, in: Proceedings of the 39th International Workshop on Description Logics (DL 2026), 2026.","chicago":"Gortworst, Bente, Cem Okulmus, Magdalena Ortiz, and Anni-Yasmin Turhan. “Reaching for the Stars in EL Concept Learning.” In <i>Proceedings of the 39th International Workshop on Description Logics (DL 2026)</i>, 2026.","mla":"Gortworst, Bente, et al. “Reaching for the Stars in EL Concept Learning.” <i>Proceedings of the 39th International Workshop on Description Logics (DL 2026)</i>, 2026.","ama":"Gortworst B, Okulmus C, Ortiz M, Turhan A-Y. Reaching for the Stars in EL Concept Learning. In: <i>Proceedings of the 39th International Workshop on Description Logics (DL 2026)</i>. ; 2026.","bibtex":"@inproceedings{Gortworst_Okulmus_Ortiz_Turhan_2026, title={Reaching for the Stars in EL Concept Learning}, booktitle={Proceedings of the 39th International Workshop on Description Logics (DL 2026)}, author={Gortworst, Bente and Okulmus, Cem and Ortiz, Magdalena and Turhan, Anni-Yasmin}, year={2026} }"},"date_created":"2026-07-08T11:23:20Z","type":"conference","department":[{"_id":"888"}]},{"publication_status":"published","date_updated":"2026-07-11T22:00:38Z","status":"public","year":"2026","title":"Epistemic Programming as a Scientific Field: Building a Community of Practice and an Interaction-Based Framework","author":[{"first_name":"Sven","last_name":"Hüsing","full_name":"Hüsing, Sven","id":"58465"},{"last_name":"Musaeus","first_name":"Line Have","full_name":"Musaeus, Line Have"},{"first_name":"Michael E.","last_name":"Caspersen","full_name":"Caspersen, Michael E."},{"id":"60311","last_name":"Schulte","first_name":"Carsten","full_name":"Schulte, Carsten"},{"first_name":"Erik","last_name":"Barendsen","full_name":"Barendsen, Erik"},{"first_name":"Nataša","last_name":"Grgurina","full_name":"Grgurina, Nataša"},{"full_name":"Hauswirth, Matthias","last_name":"Hauswirth","first_name":"Matthias"},{"full_name":"Lonati, Violetta","last_name":"Lonati","first_name":"Violetta"},{"first_name":"Murali","last_name":"Mani","full_name":"Mani, Murali"},{"first_name":"Mattia","last_name":"Monga","full_name":"Monga, Mattia"},{"full_name":"Nobles, Heidi","first_name":"Heidi","last_name":"Nobles"},{"full_name":"Reckinger, Scott","first_name":"Scott","last_name":"Reckinger"},{"full_name":"Silvia, Devin W.","first_name":"Devin W.","last_name":"Silvia"},{"first_name":"Sören","last_name":"Sparmann","full_name":"Sparmann, Sören","id":"63216"}],"user_id":"58465","doi":"10.1145/3803401.3812051","_id":"66439","publisher":"ACM","language":[{"iso":"eng"}],"publication":"Proceedings of the 31st ACM Conference on Innovation and Technology in Computer Science Education V. 2","citation":{"mla":"Hüsing, Sven, et al. “Epistemic Programming as a Scientific Field: Building a Community of Practice and an Interaction-Based Framework.” <i>Proceedings of the 31st ACM Conference on Innovation and Technology in Computer Science Education V. 2</i>, ACM, 2026, doi:<a href=\"https://doi.org/10.1145/3803401.3812051\">10.1145/3803401.3812051</a>.","bibtex":"@inproceedings{Hüsing_Musaeus_Caspersen_Schulte_Barendsen_Grgurina_Hauswirth_Lonati_Mani_Monga_et al._2026, title={Epistemic Programming as a Scientific Field: Building a Community of Practice and an Interaction-Based Framework}, DOI={<a href=\"https://doi.org/10.1145/3803401.3812051\">10.1145/3803401.3812051</a>}, booktitle={Proceedings of the 31st ACM Conference on Innovation and Technology in Computer Science Education V. 2}, publisher={ACM}, author={Hüsing, Sven and Musaeus, Line Have and Caspersen, Michael E. and Schulte, Carsten and Barendsen, Erik and Grgurina, Nataša and Hauswirth, Matthias and Lonati, Violetta and Mani, Murali and Monga, Mattia and et al.}, year={2026} }","ama":"Hüsing S, Musaeus LH, Caspersen ME, et al. Epistemic Programming as a Scientific Field: Building a Community of Practice and an Interaction-Based Framework. In: <i>Proceedings of the 31st ACM Conference on Innovation and Technology in Computer Science Education V. 2</i>. ACM; 2026. doi:<a href=\"https://doi.org/10.1145/3803401.3812051\">10.1145/3803401.3812051</a>","ieee":"S. Hüsing <i>et al.</i>, “Epistemic Programming as a Scientific Field: Building a Community of Practice and an Interaction-Based Framework,” 2026, doi: <a href=\"https://doi.org/10.1145/3803401.3812051\">10.1145/3803401.3812051</a>.","apa":"Hüsing, S., Musaeus, L. H., Caspersen, M. E., Schulte, C., Barendsen, E., Grgurina, N., Hauswirth, M., Lonati, V., Mani, M., Monga, M., Nobles, H., Reckinger, S., Silvia, D. W., &#38; Sparmann, S. (2026). Epistemic Programming as a Scientific Field: Building a Community of Practice and an Interaction-Based Framework. <i>Proceedings of the 31st ACM Conference on Innovation and Technology in Computer Science Education V. 2</i>. <a href=\"https://doi.org/10.1145/3803401.3812051\">https://doi.org/10.1145/3803401.3812051</a>","short":"S. Hüsing, L.H. Musaeus, M.E. Caspersen, C. Schulte, E. Barendsen, N. Grgurina, M. Hauswirth, V. Lonati, M. Mani, M. Monga, H. Nobles, S. Reckinger, D.W. Silvia, S. Sparmann, in: Proceedings of the 31st ACM Conference on Innovation and Technology in Computer Science Education V. 2, ACM, 2026.","chicago":"Hüsing, Sven, Line Have Musaeus, Michael E. Caspersen, Carsten Schulte, Erik Barendsen, Nataša Grgurina, Matthias Hauswirth, et al. “Epistemic Programming as a Scientific Field: Building a Community of Practice and an Interaction-Based Framework.” In <i>Proceedings of the 31st ACM Conference on Innovation and Technology in Computer Science Education V. 2</i>. ACM, 2026. <a href=\"https://doi.org/10.1145/3803401.3812051\">https://doi.org/10.1145/3803401.3812051</a>."},"type":"conference","department":[{"_id":"67"}],"date_created":"2026-07-11T22:00:02Z"}]