2013

Diego Calvanese, Martin Giese, Peter Haase, Ian Horrocks, Thomas Hubauer, Yannis E. Ioannidis, Ernesto Jiménez-Ruiz, Evgeny Kharlamov, Herald Kllapi, Johan W. Klüwer, Manolis Koubarakis, Steffen Lamparter, Ralf Möller, Christian Neuenstadt, T. Nordtveit, Özgür L. Özçep, Mariano Rodriguez-Muro, Mikhail Roshchin, Domenico Fabio Savo, Michael Schmidt, Ahmet Soylu, Arild Waaler, and Dmitriy Zheleznyakov. Optique: OBDA Solutions for Big Data. In Proc. ESWC (Satellite Events), pages 293-295, 2013.
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Diego Calvanese, Martin Giese, Peter Haase, Ian Horrocks, Thomas Hubauer, Yannis E. Ioannidis, Ernesto Jiménez-Ruiz, Evgeny Kharlamov, Herald Kllapi, Manolis Koubarakis, Steffen Lamparter, Ralf Möller, Christian Neuenstadt, Özgür L. Özçep, Mariano Rodriguez-Muro, Mikhail Roshchin, Marco Ruzzi, Domenico Fabio Savo, Michael Schmidt, Ahmet Soylu, Arild Waaler, and Dmitriy Zheleznyakov. The Optique Project: Towards OBDA Systems for Industry (Short Paper). In Proceedings of the 10th International Workshop on OWL: Experiences and Directions (OWLED 2013) co-located with 10th Extended Semantic Web Conference (ESWC 2013), 2013.
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Ian Horrocks, Thomas Hubauer, Ernesto Jiménez-Ruiz, Evgeny Kharlamov, Manolis Koubarakis, Ralf Möller, Konstantina Bereta, Christian Neuenstadt, Özgür L. Özçep, Mikhail Roshchin, Panayiotis Smeros, and Dmitriy Zheleznyakov. Addressing Streaming and Historical Data in OBDA Systems: Optique's Approach. In Proceedings of the Second International Workshop on Knowledge Discovery and Data Mining Meets Linked Open Data, pages 33–40, 2013.
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Ralf Möller, Christian Neuenstadt, Özgür L. Özçep, and Sebastian Wandelt. Advances in Accessing Big Data with Expressive Ontologies. In Proc. 26th International Workshop on Description Logics, 2013.
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Ralf Möller, Christian Neuenstadt, Özgür L. Özçep, and Sebastian Wandelt. Advances in Accessing Big Data with Expressive Ontologies. In KI 2013: Advances in Artificial Intelligence - 36th Annual German Conference on AI, pages 118–129, 2013.
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Özgür L. Özçep and Ralf Möller. Spatial Semantics for Concepts. In Intern. Workshop on Description Logics, 2013.
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2012

Özgür L. Özçep, Rolf Grütter, and Ralf Möller. Dynamics of a Nearness Relation—First Results. In Mehul Bhatt, Hans W. Guesgen, and Ernest Davis, editors, Proceedings of the International Workshop on Spatio-Temporal Dynamics (STeDy 2012), 2012.
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Özgür L. Özçep, Rolf Grütter, and Ralf Möller. Nearness Rules and Scaled Proximity. In Proc. ECAI 2012, 20th European Conference on Artificial Intelligence, pages 636–641, 2012.
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Özgür L. Özçep, Rolf Grütter, and Ralf Möller. Nearness Rules and Scaled Proximity. Technical report (extended version of a paper accepted for publication at ECAI 2012), Institute for Softwaresysteme (STS), Hamburg University of Technology, 2012. Available online at www.sts.tu-harburg.de/tech-reports/papers.html.
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Özgür L. Özçep and Ralf Möller. Combining DL-Lite with Spatial Calculi for Feasible Geo-thematic Query Answering. In Yevgeny Kazakov, Domenico Lembo, and Frank Wolter, editors, Proceedings of the 25th Iternational Workshop on Description Logics (DL 2012), volume 846, 2012.
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Özgür Lütfü Özçep and Ralf Möller. Computationally Feasible Query Answering over Spatio-thematic Ontologies. In Prof. The Fourth International Conference on Advanced Geographic Information Systems, Applications, and Services, GEOProcessing 2012, 2012.
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Özgür Lütfü Özçep and Ralf Möller. Scalable Geo-thematic Query Answering. In Proc. International Semantic Web Conference (ISWC 2012), pages 658–673, 2012.
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Özgür Lütfü Özçep. Knowledge-base revision using implications as hypotheses. In B. Glimm and A. Krüger, editors, Proceedings of KI 2012, LNCS, pages 217-228. 2012.
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Özgür Lütfü Özçep. Minimality postulates for semantic integration. In S. Konieczny and T. Meyer, editors, Proceedings of the workshop BNC@ECAI2012, pages 47–-53, 2012.
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2011-2006

Özgür L. Özçep. Knowledge-Base Revision Using Implications as Hypotheses. Technical Report, 2011.
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Carola Eschenbach and Özgür L. Özçep. Ontology revision based on reinterpretation. In: Logic Journal of the IGPL 18.4, pages 579-616, 2010.
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Özgür L. Özçep. Semantische Integration durch Reintepretation - ein formales Modell. PhD Thesis, Department Informatik, MIN-Fakultät, Universität Hamburg, 2010.
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Özgür L. Özçep.  Towards principles for ontology integration. In: C. Eschenbach and M. Grüninger, eds, FOIS.  Bd. 183. Frontiers in Artificial Intelligence and Applications. pages 137–150, 2008.
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Özçep, Özgür L. and Carola Eschenbach. On the conservativity and stability of ontology- revision operators based on reinterpretation. In: Ch. Beierle und G. Kern-Isberner, eds., Dynamics of Knowledge and Belief. Proceedings of the Workshop at the 30th Annual German Conference on Artificial Intelligence, KI-2007.  Fernuniversität in Hagen, pages 84-99, 2007.
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Özgür L. Özçep. Ontology revision through concept contraction. In: Sergei Artemov and Rohit Parikh, eds, Proceedings of the Workshop on Rationality and Knowledge, 18th European Summerschool in Logic, Language, and Information (ESSLLI-06), Universidad de Malaga, August 7-11. pages 79-90, 2006.
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