Bienvenu, M., Ortiz, M., & Simkus, M. (2015). Regular Path Queries in Lightweight Description Logics: Complexity and Algorithms. Journal of Artificial Intelligence Research, 53, 315–374. https://doi.org/10.1613/jair.4577 ( reposiTUm)

Calvanese, D., Eiter, T., & Ortiz, M. (2014). Answering Regular Path Queries in Expressive Description Logics via Alternating Tree-Automata. Information and Computation, 237, 12–55. https://doi.org/10.1016/j.ic.2014.04.002 ( reposiTUm)

Calvanese, D., Ortiz, M., Simkus, M., & Stefanoni, G. (2013). Reasoning about Explanations for Negative Query Answers in DL-Lite. Journal of Artificial Intelligence Research, 48, 635–669. https://doi.org/10.1613/jair.3870 ( reposiTUm)

Eiter, T., Ortiz, M., & Šimkus, M. (2012). Conjunctive query answering in the description logic SH using knots. Journal of Computer and System Sciences, 78(1), 47–85. https://doi.org/10.1016/j.jcss.2011.02.012 ( reposiTUm)

Calvanese, D., Ortiz de la Fuente, M. M., & Simkus, M. (2016). Verification of Evolving Graph-structured Data under Expressive Path Constraints. In W. Martens & T. Zeume (Eds.), 19th International Conference on Database Theory, ICDT 2016, Bordeaux, France, March 15-18, 2016 (pp. 15:1-15:19). Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik. https://doi.org/10.4230/LIPIcs.ICDT.2016.15 ( reposiTUm)

Ahmetaj, S., Ortiz de la Fuente, M. M., & Simkus, M. (2016). Polynomial Datalog Rewritings for Ontology Mediated Queries with Closed Predicates. In R. Pichler & A. S. da Silva (Eds.), Proceedings of the 10th Alberto Mendelzon International Workshop on Foundations of Data Management, Panama City, Panama, May 8-10, 2016 (p. 5). CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/56671 ( reposiTUm)

Ngo, N., Ortiz de la Fuente, M. M., & Simkus, M. (2016). Closed Predicates in Description Logics: Results on Combined Complexity. In R. Pichler & A. S. da Silva (Eds.), Proceedings of the 10th Alberto Mendelzon International Workshop on Foundations of Data Management, Panama City, Panama, May 8-10, 2016 (p. 5). CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/56672 ( reposiTUm)

Ahmetaj, S., Ortiz de la Fuente, M. M., & Simkus, M. (2016). Polynomial Disjunctive Datalog Rewritings of Instance Queries in Expressive Description Logics. In M. Lenzerini & R. Penaloza (Eds.), Proceedings of the 29th International Workshop on Description Logics, Cape Town, South Africa, April 22-25, 2016. (p. 13). CEUR Workshop Proceedings / CEUR-WS.org. http://hdl.handle.net/20.500.12708/56673 ( reposiTUm)

Ahmetaj, S., Ortiz de la Fuente, M. M., & Simkus, M. (2016). Polynomial Datalog Rewritings for Expressive Description Logics with Closed Predicates. In S. Kambhampati (Ed.), Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, IJCAI 2016, New York, NY, USA, 9-15 July 2016 (pp. 878–885). IJCAI/AAAI Press. http://hdl.handle.net/20.500.12708/56675 ( reposiTUm)

Ngo, N., Ortiz de la Fuente, M. M., & Simkus, M. (2016). Closed Predicates in Description Logics: Results on Combined Complexity. In C. Baral, J. P. Delgrande, & F. Wolter (Eds.), Principles of Knowledge Representation and Reasoning: Proceedings of the Fifteenth International Conference, {KR} 2016, Cape Town, South Africa, April 25-29, 2016. (pp. 237–246). AAAI Press. http://hdl.handle.net/20.500.12708/56676 ( reposiTUm)

Andresel, M.-P., Ortiz de la Fuente, M. M., & Simkus, M. (2016). A Compilation Technique for Interactive Ontology-mediated Data Exploration. In M. Lenzerini & R. Penaloza (Eds.), Proceedings of the 29th International Workshop on Description Logics, Cape Town, South Africa, April 22-25, 2016. (p. 12). CEUR Workshop Proceedings / CEUR-WS.org. http://hdl.handle.net/20.500.12708/56678 ( reposiTUm)

Bienvenu, M., & Ortiz, M. (2015). Ontology-Mediated Query Answering with Data-Tractable Description Logics. In W. Faber & A. Paschke (Eds.), Reasoning Web. Web Logic Rules (pp. 218–307). Springer LNCS. https://doi.org/10.1007/978-3-319-21768-0_9 ( reposiTUm)

Ngo, N., Ortiz de la Fuente, M. M., & Simkus, M. (2015). The Combined Complexity of Reasoning with Closed Predicates in Description Logics. In D. Calvanese & B. Konev (Eds.), Proceedings of the 28th International Workshop on Description Logics, Athens,Greece, June 7-10, 2015 (pp. 249–261). CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/55398 ( reposiTUm)

Bienvenu, M., Ortiz de la Fuente, M. M., & Simkus, M. (2015). Navigational Queries Based on Frontier-Guarded Datalog: Preliminary Results. In Proceedings of the 9th Alberto Mendelzon International Workshop on Foundations of Data Management, Lima, Peru, May 6 - 8, 2015 (pp. 162–171). CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/55397 ( reposiTUm)

Ahmetaj, S., Calvanese, D., Ortiz de la Fuente, M. M., & Simkus, M. (2014). Planning Problems for Graph Structured Data in Description Logics. In M. Bienvenu, M. M. Ortiz de la Fuente, R. Rosati, & M. Simkus (Eds.), Informal Proceedings of the 27th International Workshop on Description Logics (pp. 4–7). CEUR-WS. http://hdl.handle.net/20.500.12708/55993 ( reposiTUm)

Bienvenu, M., Calvanese, D., Ortiz de la Fuente, M. M., & Simkus, M. (2014). Nested Regular Path Queries in Description Logics. In C. Baral, G. De Giacomo, & T. Eiter (Eds.), Principles of Knowledge Representation and Reasoning: Proceedings of the Fourteenth International Conference (KR 2014) (pp. 218–227). AAAI Press. http://hdl.handle.net/20.500.12708/55963 ( reposiTUm)

Ahmetaj, S., Calvanese, D., Ortiz de la Fuente, M. M., & Simkus, M. (2014). Managing Change in Graph-Structured Data Using Description Logics. In C. E. Brodley & P. Stone (Eds.), Proceedings of the Twenty-Eighth AAAI Conference on Aritifical Intelligence (pp. 966–973). AAAI Press/IJCAI. http://hdl.handle.net/20.500.12708/55928 ( reposiTUm)

Ahmetaj, S., Calvanese, D., Ortiz de la Fuente, M. M., & Simkus, M. (2014). Planning and Change in Graph Structured Data under Description Logics Constraints. In G. Gottlob & J. Perez (Eds.), Proceedings of the 8th Alberto Mendelzon Workshop on Foundations of Data Management. CEUR-Proceedings. http://hdl.handle.net/20.500.12708/55930 ( reposiTUm)

Ortiz, M., & Šimkus, M. (2014). Revisiting the Hardness of Query Answering in Expressive Description Logics. In R. Kontchakov & M.-L. Mugnier (Eds.), Web Reasoning and Rule Systems (pp. 216–223). Springer Lecture Notes in Computer Science. https://doi.org/10.1007/978-3-319-11113-1_18 ( reposiTUm)

Bienvenu, M., Calvanese, D., Ortiz de la Fuente, M. M., & Simkus, M. (2014). Nested Regular Path Queries in Description Logics (Extended Abstract). In G. Gottlob & J. Perez (Eds.), Proceedings of the 8th Alberto Mendelzon Workshop on Foundations of Data Management. CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/55386 ( reposiTUm)

Calvanese, D., Ortiz de la Fuente, M. M., & Simkus, M. (2013). Evolving Graph Databases under Description Logic Constraints. In T. Eiter, B. Glimm, Y. Kazakov, & M. Krötzsch (Eds.), Informal Proceedings of the 26th International Workshop on Description Logics (pp. 120–131). CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/55141 ( reposiTUm)

Bienvenu, M., Ortiz de la Fuente, M. M., Simkus, M., & Xiao, G. (2013). Tractability Guarantees for DL-Lite Query Answering. In T. Eiter, B. Glimm, Y. Kazakov, & M. Krötzsch (Eds.), Informal Proceedings of the 26th International Workshop on Description Logics (pp. 41–52). CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/55142 ( reposiTUm)

Ortiz de la Fuente, M. M. (2013). Ontology Based Query Answering: The Story So Far. In L. Bravo & M. Lenzerini (Eds.), Proceedings of the 7th Alberto Mendelzon International Workshop on Foundations of Data Management (pp. 1–14). CEUR Workshop Proceedings. http://hdl.handle.net/20.500.12708/55143 ( reposiTUm)

Bienvenu, M., Ortiz de la Fuente, M. M., Simkus, M., & Xiao, G. (2013). Tractable Queries for Lightweight Description Logics. In F. Rossi (Ed.), IJCAI 2013, Proceedings of the 23rd International Joint Conference on Artificial Intelligence (pp. 768–774). AAAI Press. http://hdl.handle.net/20.500.12708/55042 ( reposiTUm)

Bienvenu, M., Ortiz de la Fuente, M. M., & Simkus, M. (2013). Conjunctive Regular Path Queries in Lightweight Description Logics. In F. Rossi (Ed.), IJCAI 2013, Proceedings of the 23rd International Joint Conference on Artificial Intelligence (pp. 761–767). AAAI Press. http://hdl.handle.net/20.500.12708/55043 ( reposiTUm)

Ortiz, M., & Šimkus, M. (2012). Reasoning and Query Answering in Description Logics. In T. Eiter & T. Krennwallner (Eds.), Reasoning Web - Semantic Technologies for Advanced Query Answering : 8th International Summer School 2012, Vienna, Austria, September 3-8, 2012. Proceedings (pp. 1–53). Springer LNCS. https://doi.org/10.1007/978-3-642-33158-9_1 ( reposiTUm)

Calvanese, D., Ortiz de la Fuente, M. M., Simkus, M., & Stefanoni, G. (2012). The Complexity of Explaining Negative Query Answers in DL-Lite. In G. Brewka, T. Eiter, & S. McIlraith (Eds.), Principles of Knowledge Representation and Reasoning: Proceedings of the Thirteenth International Conference, KR 2012 (pp. 583–587). AAAI Press. http://hdl.handle.net/20.500.12708/54355 ( reposiTUm)

Bienvenu, M., Ortiz de la Fuente, M. M., & Simkus, M. (2012). Answering Expressive Path Queries over Lightweight DL Knowledge Bases. In Y. Kazakov, D. Lembo, & F. Wolter (Eds.), Proc. of the 2012 International Workshop on Description Logics (DL 2012) (pp. 81–91). http://hdl.handle.net/20.500.12708/54354 ( reposiTUm)

Eiter, T., Ortiz de la Fuente, M. M., Simkus, M., Tran, T.-K., & Xiao, G. (2012). Towards Practical Query Answering for Horn SHIQ. In Y. Kazakov, D. Lembo, & F. Wolter (Eds.), Proc. of the 2012 International Workshop on Description Logics (DL 2012) (pp. 158–168). CEUR workshop proceedings. http://hdl.handle.net/20.500.12708/54289 ( reposiTUm)

Eiter, T., Ortiz de la Fuente, M. M., Simkus, M., Tran, T.-K., & Xiao, G. (2012). Query Rewriting for Horn-SHIQ Plus Rules. In J. Hoffmann & B. Selman (Eds.), Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence (pp. 726–733). AAAI Press. http://hdl.handle.net/20.500.12708/54357 ( reposiTUm)

Web Reasoning and Rule Systems. (2016). In M. M. Ortiz de la Fuente & S. Schlobach (Eds.), Lecture Notes in Computer Science. Springer, LNCS. https://doi.org/10.1007/978-3-319-45276-0 ( reposiTUm)

Ortiz de la Fuente, M. M., & Simkus, M. (2016). Managing Change in Graph-Structured Data Using Description Logics. Workshop on New Trends in Belief Change, Vienna, Austria. http://hdl.handle.net/20.500.12708/86468 ( reposiTUm)

Andresel, M.-P. (2016). A Compilation Technique for Interactive Ontology-mediated Data Exploration. 12th Reasoning Web Summer School (RW 2016), Aberdeen, United Kingdom of Great Britain and Northern Ireland (the). http://hdl.handle.net/20.500.12708/86462 ( reposiTUm)

Ortiz de la Fuente, M. M. (2016). Expressive Ontology and Query Languages for Data Access and Management. 12th Reasoning Web Summer School (RW 2016), Aberdeen, United Kingdom of Great Britain and Northern Ireland (the). http://hdl.handle.net/20.500.12708/86463 ( reposiTUm)

Bienvenu, M., & Ortiz de la Fuente, M. M. (2016). Query Answering with Description Logic Ontologies. 28th European Summer School in Logic, Language and Information, Bolzano, Italy. http://hdl.handle.net/20.500.12708/86464 ( reposiTUm)