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2000

Calì, Andrea and Calvanese, D. and Lenzerini, M. (2000) Local constraint in semistructured data schemas. In: UNSPECIFIED (ed.) SEBD: Ottavo Convegno Nazionale su Sistemi Evoluti per Basi di Dati. SEBD, pp. 65-78.

Calì, Andrea and Calvanese, D. and Lenzerini, M. (2000) Semistructured data schemas with expressive constraints. In: Bouzeghoub, M. and Klusch, M. and Nutt, W. and Sattler, U. (eds.) KRDB 2000: Proceedings of the 7th International Workshop on Knowledge Representation meets Databases. CEUR Workshop Proceedings 29. CEUR, pp. 3-16.

2001

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. (2001) Accessing data integration systems through conceptual schemas. In: S. Kunii, H. and Jajodia, S. and Sølvberg, A. (eds.) ER 2001: Conceptual Modeling. Lecture Notes in Computer Science 2224. Springer. ISBN 9783540428664.

Calì, Andrea and Calvanese, D. (2001) Optimizing query planning with limited source capabilities in the presence of inclusion and functional dependencies. In: Celentano, A. and Tanca, L. and Tiberio, P. (eds.) SEBD: Nono Convegno Nazionale Sistemi Evoluti per Basi di Dati. SEBD, pp. 33-44.

2002

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. (2002) Accessing data integration systems through conceptual schema. In: Ciaccia, P. and Rabitti, F. and Soda, G. (eds.) SEBD: Decimo Convegno Nazionale su Sistemi Evoluti per Basi di Dati. SEBD, pp. 161-168.

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. (2002) Data integration under integrity constraints. In: Pidduck, A.B. and Ozsu, M.T. and Mylopoulos, J. and Woo, C.C. (eds.) CAiSE 2002: Advanced Information Systems Engineering. Lecture Notes in Computer Science 2348. Springer, pp. 262-279. ISBN 9783540437383.

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. and Naggar, P. and Vernacotola, F. and Soda, G. (2002) IBIS: data integration at work. In: Ciaccia, P. and Rabitti, F. (eds.) SEBD: Decimo Convegno Nazionale su Sistemi Evoluti per Basi di Dati. SEBD, pp. 291-298.

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. (2002) On the expressive power of data integration systems. In: Spaccapietra, S. and March, S.T. and Kambayashi, Y. (eds.) ER 2002: Conceptual Modeling. Lecture Notes in Computer Science 2503. Springer, pp. 338-350. ISBN 9783540442776.

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. (2002) On the role of integrity constraints in data integration. IEEE Data Engineering Bulletin 25 (3), pp. 39-45.

Calì, Andrea and Calvanese, D. (2002) Optimized querying of integrated data over the web. In: Rolland, C. and Brinkkemper, S. and Saeki, M. (eds.) Engineering Information Systems in the Internet Context. IFIP Conference Proceedings 231. Kluwer, pp. 285-301.

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. (2002) A formal framework for reasoning on UML class diagrams. In: Hacid, M.S. and Raś, Z.W. and Zighed, D.A. and Kodratoff, Y. (eds.) ISMIS 200: Foundations of Intelligent Systems. Lecture Notes in Computer Science 2366. Springer, pp. 503-513. ISBN 9783540437857.

2003

Wood, Peter (2003) Containment for XPath fragments under DTD constraints. In: Calvanese, D. and Lenzerini, M. and Motwani, R. (eds.) ICDT 2003: Database Theory. Lecture Notes in Computer Science 2572. Springer, pp. 297-311. ISBN 9783540003236.

Kutz, O. and Lutz, C. and Wolter, F. and Zakharyaschev, Michael (2003) E-connections of description logics. In: Calvanese, D. and De Giacomo, G. and Franconi, E. (eds.) DL 2003: Proceedings of the 2003 International Workshop on Description Logics. CEUR Workshop Proceedings 81. CEUR-WS.org.

Calì, Andrea and Calvanese, D. and De Giacomo, G. and Lenzerini, M. and Naggar, P. and Vernacotola, F. (2003) IBIS semantic data integration at work. In: Eder, J. and Missikoff, M. (eds.) Advanced Information Systems Engineering: 15th International Conference. Lecture Notes in Computer Science 2681. Springer, pp. 79-94. ISBN 9783540404422.

Lutz, C. and Wolter, F. and Zakharyaschev, Michael (2003) Reasoning about concepts and similarity. In: Calvanese, D. and De Giacomo, G. and Franconi, E. (eds.) DL 2003: Proceedings of the 2003 International Workshop on Description Logics. CEUR Workshop Proceedings 81. CEUR-WS.org.

Hidders, Jan (2003) Typing graph-manipulation operations. In: Calvanese, D. and Lenzerini, M. and Motwani, R. (eds.) Database Theory: ICDT 2003. Lecture Notes in Computer Science 2572. Springer, pp. 391-406. ISBN 9783540003236.

2004

Calì, Andrea and Calvanese, D. and Colucci, S. and Di Noia, T. and Donini, F.M. (2004) A description logic based approach for matching user profiles. In: Haarslev, V. and Moller, R. (eds.) Proceedings of the 2004 International Workshop on Description Logics. CEUR Workshop Proceedings.

Calì, Andrea and Calvanese, D. and Colucci, S. and Di Noia, T. and Donini, F.M. (2004) A logic-based approach for matching user profiles. In: Negoita, M.G. and Howlett, R.J. and Jain, L.C. (eds.) Knowledge-Based Intelligent Information and Engineering Systems: 8th International Conference. Lecture Notes in Computer Science 3215. Springer, pp. 187-195. ISBN 10.1007/978-3-540-30134-9\_27.

2005

Calì, Andrea and Calvanese, D. and Franconi, E. and Lenzerini, M. and Tanca, L., eds. (2005) Proceedings of the 13th Italian symposium on advanced database systems. SEBD. ISBN 8854801224.

2006

Calì, Andrea and Calvanese, D. (2006) Containment of conjunctive queries under access limitations. In: De Antonellis, V. and Diamantini, C. and Tiberio, P. (eds.) Proceedings of the 14th Italian Symposium on Advanced Database Systems. SEBD, pp. 131-138.

Calì, Andrea and Calvanese, D. (2006) Optimising query answering in the presence of access limitations. In: Marik, V. (ed.) 17th International Workshop on Database and Expert Systems Applications (DEXA'06). IEEE Computer Society. ISBN 0769526411.

2007

Artale, A. and Calvanese, D. and Kontchakov, Roman and Ryzhikov, Vladislav and Zakharyaschev, M. (2007) Complexity of reasoning in entity relationship models. In: Calvanese, D. and Franconi, E. and Haarslev, V. and Lembo, D. and Motik, B. and Turhan, A.-Y. and Tessaris, S. (eds.) Proceedings of the 2007 International Workshop on Description Logics. CEUR Workshop Proceedings 250. CEUR Workshop Proceedings.

Artale, A. and Calvanese, D. and Kontchakov, Roman and Zakharyaschev, M. (2007) DL-Lite in the light of first-order logic. In: UNSPECIFIED (ed.) Proceedings of the Twenty-Second AAAI Conference on Artificial Intelligence. AAAI Press, pp. 361-366.

Kontchakov, Roman and Wolter, F. and Zakharyaschev, M. (2007) Modularity in DL-Lite. In: Calvanese, D. and Franconi, E. and Haarslev, V. and Lembo, D. and Motik, B. and Turhan, A.-Y. and Tessaris, S. (eds.) Proceedings of the 2007 International Workshop on Description Logics. CEUR Workshop Proceedings.

Calì, Andrea and Calvanese, D. and Martinenghi, D. (2007) Optimization of query plans in the presence of access limitations. In: 1st Workshop on Emerging Research Opportunities for Web Data Management, 2007, Barcelona, Spain.

Artale, A. and Calvanese, D. and Kontchakov, Roman and Zakharyaschev, M. (2007) Query answering in expressive variants of DL-Lite. In: Ceci, M. and Malerba, D. and Tanca, L. (eds.) Proceedings of the Fifteenth Italian Symposium on Advanced Database Systems. Bari : Università degli Studi, Dipartimento di Informatica, pp. 250-257. ISBN 9788890298103.

Artale, A. and Calvanese, D. and Kontchakov, Roman and Ryzhikov, Vladislav and Zakharyaschev, M. (2007) Reasoning over extended ER models. In: Parent, C. and Schewe, K.-D. and Storey, V.S. and Thalheim, B. (eds.) Conceptual Modeling, ER 2007: 26th International Conference on Conceptual Modeling. Lecture Notes in Computer Science 4801. Springer, pp. 277-292. ISBN 9783540755623.

2009

Artale, A. and Calvanese, D. and Kontchakov, Roman and Zakharyaschev, Michael (2009) Adding weight to DL-Lite. In: Cuenca Grau, B. and Horrocks, I. and Motik, B. and Sattler, U. (eds.) Proceedings of the 22nd International Workshop on Description Logics (DL 2009), Oxford, UK, July 27-30, 2009. CEUR Workshop Proceedings 477. CEUR Workshop Proceedings.

Artale, A. and Calvanese, D. and Kontchakov, Roman and Zakharyaschev, Michael (2009) DL-Lite without UNA. In: Cuenca Grau, B. and Horrocks, I. and Motik, B. and Sattler, U. (eds.) Proceedings of the 22nd International Workshop on Description Logics (DL 2009), Oxford, UK, July 27-30, 2009. CEUR Workshop Proceedings 477. CEUR Workshop Proceedings.

January 2009

Calì, Andrea and Calvanese, D. and Martinenghi, D. (2009) Dynamic query optimization under access limitations and dependencies. Journal of Universal Computer Science 15 (1), pp. 33-62. ISSN 0948-695x.

September 2009

Artale, A. and Calvanese, D. and Kontchakov, Roman and Zakharyaschev, Michael (2009) The DL-Lite family and relations. Journal of Artificial Intelligence Research 36 (1), pp. 1-69. ISSN 1076-9757.

September 2016

Arenas, M. and Botoeva, E. and Calvanese, D. and Ryzhikov, Vladislav (2016) Knowledge base exchange: the case of OWL 2 QL. Artificial Intelligence 238 , pp. 11-62. ISSN 0004-3702.

6 December 2016

Calvanese, D. and Cogrel, B. and Komla-Ebri, S. and Kontchakov, Roman and Lanti, D. and Rezk, M. and Rodriguez-Muro, M. and Xiao, G. (2016) Ontop: answering SPARQL queries over relational databases. Semantic Web – Interoperability, Usability, Applicability 8 (3), pp. 471-487. ISSN 1570-0844.

2017

Botoeva, E. and Konev, B. and Lutz, C. and Ryzhikov, Vladislav and Wolter, F. and Zakharyaschev, Michael (2017) Inseparability and conservative extensions of description logic ontologies: a survey. In: Pan, J.Z. and Calvanese, D. and Eiter, T. and Horrocks, I. and Kifer, M. and Lin, F. and Zhao, Y. (eds.) Reasoning Web: Logical Foundation of Knowledge Graph Construction and Query Answering. Lecture Notes in Computer Science 9885. New York, U.S.: Springer, pp. 27-89. ISBN 9783319494920.

2018

Xiao, G. and Calvanese, D. and Kontchakov, Roman and Lembo, D. and Poggi, A. and Rosati, R. and Zakharyaschev, Michael (2018) Ontology-based data access: a survey. In: UNSPECIFIED (ed.) Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence. International Joint Conferences on Artificial Intelligence, pp. 5511-5519. ISBN 9780999241127.

30 November 2018

Xiao, G. and Kontchakov, Roman and Cogrel, B. and Calvanese, D. and Botoeva, E. (2018) Efficient handling of SPARQL OPTIONAL for OBDA. In: Vrandečić, D. and Bontcheva, K. and Suárez-Figueroa, M.C. and Presutti, V. and Celino, I. and Sabou, M. and Kaffee, L.-A. and Simperl, E. (eds.) The Semantic Web – ISWC 2018 17th International Semantic Web Conference, Monterey, CA, USA, October 8–12, 2018, Proceedings, Part I. Lecture Notes in Computer Science 11136. Springer, pp. 354-373. ISBN 9783030006716.

2019

Brandt, S. and Calvanese, D. and Güzel Kalayci, E. and Kontchakov, Roman and Mörzinger, B. and Ryzhikov, Vladislav and Xiao, G. and Zakharyaschev, Michael (2019) Two-dimensional rule language for querying sensor log data: a framework and use cases. In: Gamper, J. and Pinchinat, S. and Sciavicco, G. (eds.) 26th International Symposium on Temporal Representation and Reasoning (TIME 2019). Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, pp. 1-15. ISBN 9783959771276.

29 March 2019

Kalayci, E. and Brandt, S. and Calvanese, D. and Ryzhikov, Vladislav and Xiao, G. and Zakharyaschev, Michael (2019) Ontology-based access to temporal data with Ontop: a framework proposal. International Journal of Applied Mathematics and Computer Science 29 (1), pp. 17-30. ISSN 2083-8492.

2020

Kontchakov, Roman and Ryzhikov, Vladislav and Wolter, F. and Zakharyaschev, Michael (2020) Boolean Role Inclusions in DL-Lite with and without time. In: Calvanese, D. and Erdem, E. and Thielscher, M. (eds.) Proceedings of the 17th International Conference on Principles of Knowledge Representation and Reasoning (KR 2020). California, U.S.: IJCAI Organization, pp. 582-591. ISBN 9780999241172.

1 November 2020

Xiao, G. and Lanti, D. and Kontchakov, Roman and Komla-Ebri, S. and Güzel-Kalaycı, E. and Ding, L. and Corman, J. and Cogrel, B. and Calvanese, D. and Botoeva, E. (2020) The virtual knowledge graph system Ontop. In: Pan, J.Z. and Tamma, V. and d’Amato, C. and Janowicz, K. and Fu, B. and Polleres, A. and Seneviratne, O. and Kagal, L. (eds.) The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference, Part II. Lecture Notes in Computer Science 12507. Springer, pp. 259-277.