Magdalena Ortiz

According to our database1, Magdalena Ortiz authored at least 71 papers between 2003 and 2018.

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Bibliography

2018
Research Directions for Principles of Data Management (Dagstuhl Perspectives Workshop 16151).
Dagstuhl Manifestos, 2018

Relaxing and Restraining Queries for OBDA.
CoRR, 2018

Improving Data Management using Domain Knowledge.
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

Compiling Model Representations for Querying Large ABoxes in Expressive DLs.
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

Rewriting Guarded Existential Rules into Small Datalog Programs.
Proceedings of the 21st International Conference on Database Theory, 2018

Combining Rules and Ontologies into Clopen Knowledge Bases.
Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

2017
Managing Change in Graph-Structured Data Using Description Logics.
ACM Trans. Comput. Log., 2017

Research Directions for Principles of Data Management (Dagstuhl Perspectives Workshop 16151).
CoRR, 2017

Querying with Vague Quantifiers Using Probabilistic Semantics.
Proceedings of the Flexible Query Answering Systems - 12th International Conference, 2017

Constructive Satisfiability Procedure for ALCP(Z) (Preliminary Report).
Proceedings of the 30th International Workshop on Description Logics, 2017

Clopen Knowledge Bases: Combining Description Logics and Answer Set Programming.
Proceedings of the 30th International Workshop on Description Logics, 2017

2016
Research Directions for Principles of Data Management (Abridged).
SIGMOD Record, 2016

Closed Predicates in Description Logics: Results on Combined Complexity.
Proceedings of the Principles of Knowledge Representation and Reasoning: Proceedings of the Fifteenth International Conference, 2016

Polynomial Datalog Rewritings for Expressive Description Logics with Closed Predicates.
Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, 2016

Verification of Evolving Graph-structured Data under Expressive Path Constraints.
Proceedings of the 19th International Conference on Database Theory, 2016

A Compilation Technique for Interactive Ontology-mediated Data Exploration.
Proceedings of the 29th International Workshop on Description Logics, 2016

Polynomial Disjunctive Datalog Rewritings of Instance Queries in Expressive Description Logics.
Proceedings of the 29th International Workshop on Description Logics, 2016

Closed Predicates in Description Logics: Results on Combined Complexity.
Proceedings of the 10th Alberto Mendelzon International Workshop on Foundations of Data Management, 2016

Polynomial Datalog Rewritings for Ontology Mediated Queries with Closed Predicates.
Proceedings of the 10th Alberto Mendelzon International Workshop on Foundations of Data Management, 2016

2015
Regular Path Queries in Lightweight Description Logics: Complexity and Algorithms.
J. Artif. Intell. Res., 2015

Ontology-Mediated Query Answering with Data-Tractable Description Logics.
Proceedings of the Reasoning Web. Web Logic Rules - 11th International Summer School 2015, Berlin, Germany, July 31, 2015

The Combined Complexity of Reasoning with Closed Predicates in Description Logics.
Proceedings of the 28th International Workshop on Description Logics, 2015

Navigational Queries Based on Frontier-Guarded Datalog: Preliminary Results.
Proceedings of the 9th Alberto Mendelzon International Workshop on Foundations of Data Management, Lima, Peru, May 6, 2015

2014
Answering regular path queries in expressive Description Logics via alternating tree-automata.
Inf. Comput., 2014

Reasoning about Explanations for Negative Query Answers in DL-Lite.
CoRR, 2014

Nested Regular Path Queries in Description Logics.
CoRR, 2014

Managing Change in Graph-structured Data Using Description Logics (long version with appendix).
CoRR, 2014

Revisiting the Hardness of Query Answering in Expressive Description Logics.
Proceedings of the Web Reasoning and Rule Systems - 8th International Conference, 2014

Nested Regular Path Queries in Description Logics.
Proceedings of the Principles of Knowledge Representation and Reasoning: Proceedings of the Fourteenth International Conference, 2014

Planning Problems for Graph Structured Data in Description Logics.
Proceedings of the Informal Proceedings of the 27th International Workshop on Description Logics, 2014

Nested Regular Path Queries in Description Logics (Extended Abstract).
Proceedings of the 8th Alberto Mendelzon Workshop on Foundations of Data Management, 2014

Planning and Change in Graph Structured Data under Description Logics Constraints.
Proceedings of the 8th Alberto Mendelzon Workshop on Foundations of Data Management, 2014

Managing Change in Graph-Structured Data Using Description Logics.
Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence, 2014

2013
Reasoning about Explanations for Negative Query Answers in DL-Lite.
J. Artif. Intell. Res., 2013

Tractable Queries for Lightweight Description Logics.
Proceedings of the IJCAI 2013, 2013

Conjunctive Regular Path Queries in Lightweight Description Logics.
Proceedings of the IJCAI 2013, 2013

Evolving Graph Databases under Description Logic Constraints.
Proceedings of the Informal Proceedings of the 26th International Workshop on Description Logics, Ulm, Germany, July 23, 2013

Tractability Guarantees for DL-Lite Query Answering.
Proceedings of the Informal Proceedings of the 26th International Workshop on Description Logics, Ulm, Germany, July 23, 2013

Ontology Based Query Answering: The Story So Far.
Proceedings of the 7th Alberto Mendelzon International Workshop on Foundations of Data Management, 2013

2012
Conjunctive query answering in the description logic SH using knots.
J. Comput. Syst. Sci., 2012

Reasoning and Query Answering in Description Logics.
Proceedings of the Reasoning Web. Semantic Technologies for Advanced Query Answering, 2012

The Complexity of Explaining Negative Query Answers in DL-Lite.
Proceedings of the Principles of Knowledge Representation and Reasoning: Proceedings of the Thirteenth International Conference, 2012

Towards Practical Query Answering for Horn-SHIQ.
Proceedings of the 2012 International Workshop on Description Logics, 2012

Answering Expressive Path Queries over Lightweight DL Knowledge Bases.
Proceedings of the 2012 International Workshop on Description Logics, 2012

Query Rewriting for Horn-SHIQ Plus Rules.
Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012

2011
Query Answering in the Horn Fragments of the Description Logics SHOIQ and SROIQ.
Proceedings of the IJCAI 2011, 2011

Containment of Regular Path Queries under Description Logic Constraints.
Proceedings of the IJCAI 2011, 2011

A Practical Automata-Based Technique for Reasoning in Expressive Description Logics.
Proceedings of the IJCAI 2011, 2011

The Complexity of Conjunctive Query Abduction in DL-Lite.
Proceedings of the 24th International Workshop on Description Logics (DL 2011), 2011

2010
Worst-Case Optimal Reasoning for the Horn-DL Fragments of OWL 1 and 2.
Proceedings of the Principles of Knowledge Representation and Reasoning: Proceedings of the Twelfth International Conference, 2010

Query Answering in the Description Logic S.
Proceedings of the 23rd International Workshop on Description Logics (DL 2010), 2010

2009
Query Answering in Description Logics: The Knots Approach.
Proceedings of the Logic, 2009

Query Answering in Description Logics with Transitive Roles.
Proceedings of the IJCAI 2009, 2009

Regular Path Queries in Expressive Description Logics with Nominals.
Proceedings of the IJCAI 2009, 2009

2008
Data Complexity of Query Answering in Expressive Description Logics via Tableaux.
J. Autom. Reasoning, 2008

Reasoning Using Knots.
Proceedings of the Logic for Programming, 2008

An Automata-based algorithm for description logics around SRIQ.
Proceedings of the fourth Latin American Workshop on Non-Monotonic Reasoning 2008 (LANMR'08) Facultad de Ciencias de la Computación de la Benemérita Universidad Autónoma de Puebla, 2008

Extending Carinto the Description Logics of the Family.
Proceedings of the Logics in Artificial Intelligence, 11th European Conference, 2008

Query Answering in the Description Logic Horn-.
Proceedings of the Logics in Artificial Intelligence, 11th European Conference, 2008

Conjunctive Query Answering in SH using Knots.
Proceedings of the 21st International Workshop on Description Logics (DL2008), 2008

Worst-case Optimal Conjunctive Query Answering for an Expressive Description Logic without Inverses.
Proceedings of the Twenty-Third AAAI Conference on Artificial Intelligence, 2008

2007
Strong Negation and Equivalence in the Safe Belief Semantics.
J. Log. Comput., 2007

Answering Regular Path Queries in Expressive Description Logics: An Automata-Theoretic Approach.
Proceedings of the Twenty-Second AAAI Conference on Artificial Intelligence, 2007

2006
Data Complexity of Answering Unions of Conjunctive Queries in SHIQ.
Proceedings of the 2006 International Workshop on Description Logics (DL2006), Windermere, Lake District, UK, May 30, 2006

Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics.
Proceedings of the Proceedings, 2006

2005
Data complexity of answering conjunctive queries over SHIQ knowledge bases
CoRR, 2005

Application of ASP for Agent Modelling in CSCL Environments.
Proceedings of the MICAI 2005: Advances in Artificial Intelligence, 2005

Agent Modelling for CSCL Environments using Answer Sets Programming.
Proceedings of the Sixth Mexican International Conference on Computer Science (ENC 2005), 2005

Nelson's Strong Negation, Safe Beliefs and the Answer Set Semantics.
Proceedings of the Answer Set Programming, 2005

2004
ASP: from Application Development to Syntax Extensions.
Proceedings of the Latin-American Workshop on Non-Monotonic Reasoning, 2004

2003
Formalizing the Learner Model for CSCL Environments.
Proceedings of the 4th Mexican International Conference on Computer Science (ENC 2003), 2003


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