Özcep Özgür Lütfü

Research output

Research Output per year 2006 2012 2015 2016 2020 2020

• 35 Conference contribution
• 8 Conference Papers
• 7 Journal articles
• 3 Chapter
• 3 More
  • 1 Books
  • 1 Article
  • 1 Doctoral Theses

Research Output per year

Research Output per year

Search results

• 2020

  Bounded-Memory Criteria for Streams with Application Time

  Schiff, S. & Özcep, Ö. L., 2020, Proceedings of the Thirty-Third International Florida Artificial Intelligence Research Society Conference.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Cones, Negation, and All That

  Özçep, Ö. L., Leemhuis, M. & Wolter, D., 09.09.2020, KI 2020: KI 2020: Advances in Artificial Intelligence. Schmid, U., Klügl, F. & Wolter, D. (eds.). Springer, Cham, Vol. 12325 LNAI. p. 235-239 5 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12325 LNAI).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Learning System 100%
  • Machine Learning 100%
  • Ontology 100%
  • Artificial Intelligence 50%
  • Geometric Model 50%

• Multi-label Learning with a Cone-Based Geometric Model

  Leemhuis, M., Özçep, Ö. L. & Wolter, D., 10.09.2020, ICCS 2020: Ontologies and Concepts in Mind and Machine. Alam, M., Braun, T. & Yun, B. (eds.). Springer, Cham, Vol. 12277 LNAI. p. 177-185 9 p. (Lecture Notes in Computer Science; vol. 12277 LNAI).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Machine Learning Algorithm 100%
  • Ontology 100%
  • Conceptual Structure 100%
  • Geometric Model 100%
  • Learning System 50%

• Theory Interpretations for Topic Models

  Kuhr, F. & Özçep, Ö. L., 2020, Proceedings of the 33rd International Florida Artificial Intelligence Research Society Conference (FLAIRS-20).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review
• 2018

  Bounded-Memory Stream Processing

  Özçep, Ö. L., 30.08.2018, KI 2018: Advances in Artificial Intelligence. Trollmann, F. & Turhan, A.-Y. (eds.). Cham: Springer International Publishing, Vol. 11117. p. 377-390 14 p. (Lecture Notes in Computer Science; vol. 11117).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Stream Processing 100%
  • Input-Stream 50%
  • Artificial Intelligence 25%
  • Function Mapping 25%
  • Constant Space 25%
• 2017

  Belief Revision with Bridging Axioms

  Özçep, Ö. L., 01.10.2017, Proceedings of the Thirtieth International Florida Artificial Intelligence Research Society Conference, FLAIRS 2017. Marco Island, Florida, USA: AAAI Press, p. 104-109 6 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Bridging 100%
  • Conflict Resolution 100%
• 2016

  A semantic approach to polystores

  Kharlamov, E., Mailis, T., Bereta, K., Bilidas, D., Brandt, S., Jimenez-Ruiz, E., Lamparter, S., Neuenstadt, C., Ozcep, O., Soylu, A., Svingos, C., Xiao, G., Zheleznyakov, D., Calvanese, D., Horrocks, I., Giese, M., Ioannidis, Y., Kotidis, Y., Moller, R. & Waaler, A., 2016, 2016 IEEE International Conference on Big Data (Big Data). IEEE, p. 2565-2573 9 p. 7840898. (IEEE International Conference on Big Data Proceedings).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Data Access 100%
  • Semantic Web 50%
  • Data Model 50%
  • Data Federation 50%

• A Visual Query System for Stream Data Access over Ontologies

  Soylu, A., Giese, M., Schlatte, R., Jimenez-Ruiz, E., Özçep, Ö. & Brandt, S., 20.10.2016, ESWC 2016: The Semantic Web. Sack, H., Rizzo, G., Steinmetz, N., Mladenić, D., Auer, S. & Lange, C. (eds.). Springer, Cham, Vol. 9989 LNCS. p. 161-166 6 p. (Lecture Notes in Computer Science; vol. 9989 LNCS).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Data Access 100%
  • Use Case 50%
  • Query Language 50%

• Domain Experts Surfing on Stream Sensor Data over Ontologies

  Schlatte, R., Özçep, Ö. L., Brandt, S., Soylu, A., Giese, M. & Jiménez-Ruiz, E., 01.05.2016, Proceedings of the 1st Workshop on Semantic Web Technologies for Mobile and Pervasive Environments co-located with the 13th Extended Semantic Web Conference (ESWC 2016), Heraklion, Greece, May 29. Stavropoulos, T. G., Meditskos, G. & Bikakis, A. (eds.). CEUR-WS.org, Vol. 1588. p. 11-20 10 p. (CEUR Workshop Proceedings; vol. 1588).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Query Language 100%
  • pervasive environment 50%
  • Data Retrieval 50%
  • Business Process 50%

• Enabling Semantic Access to Static and Streaming Distributed Data with Optique: Demo

  Brandt, S., Neuenstadt, C., Özçep, Ö., Pinkel, C., Zheleznyakov, D., Horrocks, I., Möller, R., Kharlamov, E., Jiménez-Ruiz, E., Kotidis, Y., Lamparter, S., Mailis, T., Soylu, A., Svingos, C., Ioannidis, Y., Waaler, A. & Giese, M., 13.06.2016, Proceedings of the 10th ACM International Conference on Distributed and Event-based Systems. New York, NY, USA: ACM, p. 350-353 4 p. (International Conference on Distributed and Event-Based Systems).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Heterogeneous Data 100%
  • Ontology 50%
  • Time Processing 50%
  • Data Source 50%
  • Distributed Environment 50%

• Minimality Postulates for Ontology Revision

  Özçep, Ö. L., 01.04.2016, Principles of Knowledge Representation and Reasoning: Proceedings of the Fifteenth International Conference, KR 2016, Cape Town, South Africa, April 25-29. Baral, C., Delgrande, J. P. & Wolter, F. (eds.). AAAI Press, p. 589-592 4 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Knowledge Base 100%
  • Base 100%
  • Belief Revision 20%

• Ontology-Based Integration of Streaming and Static Relational Data with Optique

  Brandt, S., Neuenstadt, C., Özçep, Ö., Pinkel, C., Zheleznyakov, D., Horrocks, I., Möller, R., Kharlamov, E., Jiménez-Ruiz, E., Kotidis, Y., Lamparter, S., Mailis, T., Svingos, C. & Ioannidis, Y., 26.06.2016, Proceedings of the 2016 International Conference on Management of Data. New York, NY, USA: ACM, p. 2109-2112 4 p. (Proceedings of the ACM SIGMOD International Conference on Management of Data).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Heterogeneous Data 100%
  • Ontology 100%
  • Relational Data 100%
  • Time Processing 50%
  • Data Source 50%

• Towards Analytics Aware Ontology Based Access to Static and Streaming Data

  Möller, R., Kharlamov, E., Kotidis, Y., Brandt, S., Mailis, T., Neuenstadt, C., Nikolaou, C., Özcep, Ö. L., Svingos, C., Zheleznyakov, D., Horrocks, I., Ioannidis, Y. & Lamparter, S., 23.09.2016, The Semantic Web -- ISWC 2016. Groth, P., Simperl, E., Gray, A., Sabou, M., Krötzsch, M., Lecue, F., Flöck, F. & Gil, Y. (eds.). Cham: Springer International Publishing, Vol. 9982. p. 344-362 19 p. (Lecture Notes in Computer Science; vol. 9982 ).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Query Language 50%
  • ontology mapping 50%
  • Industrial Application 50%
• 2015

  A Representation Theorem for Spatial Relations

  Özçep, Ö. L., 22.11.2015, AI 2015: Advances in Artificial Intelligence. Pfahringer, B. & Renz, J. (eds.). Cham: Springer International Publishing, Vol. 9457. p. 444-456 13 p. (Lecture Notes in Computer Science; vol. 9457).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Spatial Relation 100%

• OBDA for Temporal Querying and Streams with STARQL

  Neuenstadt, C., Möller, R. & Özçep, Ö. L., 01.09.2015, HiDeSt '15---Proceedings of the First Workshop on High-Level Declarative Stream Processing (co-located with KI 2015). Nicklas, D. & Özçep, Ö. L. (eds.). CEUR-WS.org, Vol. 1447. p. 70-75 6 p. (CEUR Workshop Proceedings; vol. 1447).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Data Access 100%
  • Structured Query Language 33%
  • Query Language 33%
  • Temporal Data 33%

• On Implementing Temporal Query Answering in DL-Lite (extended abstract)

  Thost, V., Holste, J. & Özcep, Ö. L., 01.06.2015, Proceedings of the 28th International Workshop on Description Logics, Athens,Greece, June 7-10, 2015.. Calvanese, D. & Konev, B. (eds.). CEUR-WS.org, Vol. 1350. 4 p. (CEUR Workshop Proceedings; vol. 1350).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Data Access 100%
  • query answering 100%
  • Deep Learning Method 100%
  • Temporal Information 100%

• Stream-Query Compilation with Ontologies

  Özçep, Ö. L., Möller, R. & Neuenstadt, C., 22.11.2015, AI 2015: Advances in Artificial Intelligence. Pfahringer, B. & Renz, J. (eds.). Cham: Springer International Publishing, Vol. 9457. p. 457-463 7 p. (Lecture Notes in Computer Scienc; vol. 9457).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Query Language 50%
  • Efficient Implementation 25%
  • query answering 25%
  • Dynamic Environment 25%

• Stream-temporal Querying with Ontologies

  Möller, R., Neuenstadt, C. & Özçep, Ö. L., 01.09.2015, HiDeSt '15---Proceedings of the First Workshop on High-Level Declarative Stream Processing (co-located with KI 2015). Nicklas, D. & Özçep, Ö. L. (eds.). CEUR-WS.org, Vol. 1447. p. 42-55 14 p. (CEUR Workshop Proceedings; vol. 1447).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Data Access 50%
  • Structured Query Language 50%
  • Query Language 50%
  • Historical Data 50%
• 2014

  A Stream-Temporal Query Language for Ontology Based Data Access

  Özçep, Ö. L., Möller, R. & Neuenstadt, C., 01.10.2014, KI 2014: Advances in Artificial Intelligence. Lutz, C. & Thielscher, M. (eds.). Cham: Springer International Publishing, Vol. 8736. p. 183-194 12 p. (Lecture Notes in Computer Science; vol. 8736).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Ontology 100%
  • Data Access 100%
  • Query Language 100%
  • Deep Learning Method 50%
  • Application Area 25%

• How Semantic Technologies Can Enhance Data Access at Siemens Energy

  Kharlamov, E., Solomakhina, N., Özçep, Ö. L., Zheleznyakov, D., Hubauer, T., Lamparter, S., Roshchin, M., Soylu, A. & Watson, S., 01.10.2014, The Semantic Web -- ISWC 2014. Mika, P., Tudorache, T., Bernstein, A., Welty, C., Knoblock, C., Vrandeci, D., Groth, P., Noy, N., Janowicz, K. & Goble, C. (eds.). Cham: Springer International Publishing, Vol. 8796. p. 601-619 19 p. (Lecture Notes in Computer Science; vol. 8796).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Data Access 100%
  • Semantic Technology 100%
  • Ontology 66%
  • Semantic Web 16%
• 2013

  Addressing Streaming and Historical Data in OBDA Systems: Optique's Approach.

  Horrocks, I., Hubauer, T., Jiménez-Ruiz, E., Kharlamov, E., Koubarakis, M., Möller, R., Bereta, K., Neuenstadt, C., Özçep, Ö. L., Roshchin, M., Smeros, P. & Zheleznyakov, D., 2013, KNOW@LOD. p. 33-40 8 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Advances in Accessing Big Data with Expressive Ontologies.

  Möller, R., Neuenstadt, C., Özçep, Ö. L. & Wandelt, S., 2013, Description Logics. p. 842-853 12 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Optique: OBDA Solution for Big Data.

  Calvanese, D., Giese, M., Haase, P., Horrocks, I., Hubauer, T., Ioannidis, Y. E., Jiménez-Ruiz, E., Kharlamov, E., Kllapi, H., Klüwer, J. W., Koubarakis, M., Lamparter, S., Möller, R., Neuenstadt, C., Nordtveit, T., Özçep, Ö. L., Rodriguez-Muro, M., Roshchin, M., Savo, D. F. & Schmidt, M. & 3 others, Soylu, A., Waaler, A. & Zheleznyakov, D., 2013, ESWC (Satellite Events). p. 293-295 3 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Spatial Semantics for Concepts.

  Özçep, Ö. L. & Möller, R., 2013, Description Logics. p. 816-828 13 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• The Optique Project: Towards OBDA Systems for Industry (Short Paper).

  Calvanese, D., Giese, M., Haase, P., Horrocks, I., Hubauer, T., Ioannidis, Y. E., Jiménez-Ruiz, E., Kharlamov, E., Kllapi, H., Koubarakis, M., Lamparter, S., Möller, R., Neuenstadt, C., Özçep, Ö. L., Rodriguez-Muro, M., Roshchin, M., Ruzzi, M., Savo, D. F., Schmidt, M. & Soylu, A. & 2 others, Waaler, A. & Zheleznyakov, D., 2013, OWLED.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review
• 2012

  Combining DL-Lite with Spatial Calculi for Feasible Geo-thematic Query Answering.

  Özçep, Ö. L. & Möller, R., 2012, Description Logics.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Computationally Feasible Query Answering over Spatio-thematic Ontologies

  Özçep, Ö. L. & Möller, R., 2012, Proceedings of The Fourth International Conference on Advanced Geographic Information Systems, Applications, and Services, GEOProcessing 2012.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Dynamics of a Nearness Relation---First Results

  Özçep, Ö. L., Grütter, R. & Möller, R., 2012, Proceedings of the Workshop STeDy 2012. Bhatt, M., Guesgen, H. W. & Davis, E. (eds.). p. 1-7 7 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Knowledge-Base Revision Using Implications as Hypotheses

  Özçep, Ö. L., 2012, Proceedings of KI 2012. Glimm, B. & Krüger, A. (eds.). Springer Berlin Heidelberg, p. 217-228 12 p. (LNCS).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Minimality Postulates for Semantic Integration

  Özçep, Ö. L., 2012, Proceedings of the workshop BNC@ECAI2012. Konieczny, S. & Meyer, T. (eds.). p. 47-53 7 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

• Nearness rules and scaled proximity

  Ozçep, Ö. L., Grütter, R. & Möller, R., 01.01.2012, ECAI 2012. IOS Press, Vol. 242. (Frontiers in Artificial Intelligence and Applications; vol. 242).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • Artificial Intelligence 100%
  • Approximation (Algorithm) 100%
  • Sufficient Condition 100%
  • Natural language interfaces 100%
  • Implementation Aspect 100%

• Scalable geo-thematic query answering

  Özçep, Ö. L. & Möller, R., 12.11.2012, ISWC 2012: The Semantic Web – ISWC 2012 . Springer Verlag, p. 658-673 16 p. (Lecture Notes in Computer Science).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review

  • query answering 100%
  • Deep Learning Method 100%
  • Ontology 33%
  • Query Language 33%
  • Region Connection Calculus 33%
• 2008

  Towards Principles for Ontology Integration

  Özçep, Ö. L., 2008, Formal Ontology in Information Systems, Proceedings of the Fifth International Conference, FOIS 2008, Saarbrücken, Germany, October 31st - November 3rd, 2008. Eschenbach, C. & Grüninger, M. (eds.). IOS Press, Vol. 183. p. 137-150 14 p. (Frontiers in Artificial Intelligence and Applications).

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review
• 2007

  On the conservativity and stability of ontology-revision operators based on reinterpretation

  Özçep, Ö. L. & Eschenbach, C., 2007, Dynamics of Knowledge and Belief. Proceedings of the 16th International Workshop on Non-Monotonic Reasoning colocated with KI-2007. Ch.eierle & G.ern-Isberner (eds.). p. 84-99 16 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review
• 2006

  Ontology revision through concept contraction

  Özçep, Ö. L., 2006, Proceedings of the Workshop on Rationality and Knowledge, 18th European Summerschool in Logic, Language, and Information (ESSLLI-06), Universidad de Malaga, August 7--11. Artemov, S. & Parikh, R. (eds.). p. 79-90 12 p.

  Research output: Chapters in Books/Reports/Conference Proceedings › Conference contribution › peer-review