Web Service Modeling Ontology. - Dumitru Roman; Uwe Keller; Holger Lausen; Jos de Bruijn; Rubén Lara; Michael Stollberg; Axel Polleres; Cristina Feier; Christoph Bussler; Dieter Fensel (Appl. Ontology, 2005)

Rules with Contextually Scoped Negation. - Axel Polleres; Cristina Feier; Andreas Harth (ESWC, 2006)

A Framework for Distributed Reasoning on the Semantic Web Based on Open Answer Set Programming. - Cristina Feier (KWEPSY, 2007)

Ontology Reasoning with Large Data Repositories. - Stijn Heymans; Li Ma 002; Darko Anicic; Zhilei Ma; Nathalie Steinmetz; Yue Pan; Jing Mei; Achille Fokoue; Aditya Kalyanpur; Aaron Kershenbaum; Edith Schonberg; Kavitha Srinivas; et al. (Ontology Management, 2008)

Guarded hybrid knowledge bases. - Stijn Heymans; Jos de Bruijn; Livia Predoiu; Cristina Feier; Davy Van Nieuwenborgh (Theory Pract. Log. Program., 2008)

Hybrid Reasoning with Forest Logic Programs. - Cristina Feier; Stijn Heymans (ESWC, 2009)

A Reasoner for Simple Conceptual Logic Programs. - Stijn Heymans; Cristina Feier; Thomas Eiter (RR, 2009)

An Optimization for Reasoning with Forest Logic Programs - Cristina Feier; Stijn Heymans (CoRR, 2010)

Simulating Production Rules Using ACTHEX. - Thomas Eiter; Cristina Feier; Michael Fink 001 (Correct Reasoning, 2012)

Worst-Case Optimal Reasoning with Forest Logic Programs. - Cristina Feier (KR, 2012)

Reasoning with Forest Logic Programs and f-hybrid knowledge bases. - Cristina Feier; Stijn Heymans (Theory Pract. Log. Program., 2013)

EL-ifying Ontologies. - David Carral; Cristina Feier; Bernardo Cuenca Grau; Pascal Hitzler; Ian Horrocks 001 (IJCAR, 2014)

Is Your Ontology as Hard as You Think? Rewriting Ontologies into Simpler DLs. - David Carral; Cristina Feier; Ana Armas Romero; Bernardo Cuenca Grau; Pascal Hitzler; Ian Horrocks 001 (Description Logics, 2014)

Pushing the Boundaries of Tractable Ontology Reasoning. - David Carral; Cristina Feier; Bernardo Cuenca Grau; Pascal Hitzler; Ian Horrocks 001 (ISWC (2), 2014)

Extending the Combined Approach Beyond Lightweight Description Logics. - Cristina Feier; David Carral; Giorgio Stefanoni; Bernardo Cuenca Grau; Ian Horrocks 001 (Description Logics, 2015)

The Combined Approach to Query Answering Beyond the OWL 2 Profiles. - Cristina Feier; David Carral; Giorgio Stefanoni; Bernardo Cuenca Grau; Ian Horrocks 001 (IJCAI, 2015)

Reasoning with Forest Logic Programs Using Fully Enriched Automata. - Cristina Feier; Thomas Eiter (JOWO@IJCAI, 2015)

FO-Rewritability of Expressive Ontology-Mediated Queries. - Cristina Feier; Antti Kuusisto; Carsten Lutz (Description Logics, 2016)

A Practical Acyclicity Notion for Query Answering Over Horn- SRIQ Ontologies. - David Carral; Cristina Feier; Pascal Hitzler (ISWC (1), 2016)

Rewritability in Monadic Disjunctive Datalog, MMSNP, and Expressive Description Logics (Invited Talk). - Cristina Feier; Antti Kuusisto; Carsten Lutz (ICDT, 2017)

From Conjunctive Queries to SPARQL Queries in Ontology-Mediated Querying. - Cristina Feier; Carsten Lutz; Frank Wolter (Description Logics, 2018)

From Conjunctive Queries to Instance Queries in Ontology-Mediated Querying. - Cristina Feier; Carsten Lutz; Frank Wolter (IJCAI, 2018)

A Practical Acyclicity Notion for Query Answering over Horn-SRIQ Ontologies. - David Carral; Cristina Feier; Pascal Hitzler (CoRR, 2018)

PTime Combined Complexity and FPT in Ontology-Mediated Querying. - Pablo Barceló; Cristina Feier; Carsten Lutz; Andreas Pieris (Description Logics, 2019)

When is Ontology-Mediated Querying Efficient? - Pablo Barceló; Cristina Feier; Carsten Lutz; Andreas Pieris (LICS, 2019)

Rewritability in Monadic Disjunctive Datalog, MMSNP, and Expressive Description Logics. - Cristina Feier; Antti Kuusisto; Carsten Lutz (Log. Methods Comput. Sci., 2019)

The Complexity of Answer Counting for Ontology-Mediated Queries Based on Guarded TGDs (Extended Abstract). - Cristina Feier; Carsten Lutz; Marcin Przybylko (Description Logics, 2020)

The Limits of Efficiency for Open- and Closed-World Query Evaluation Under Guarded TGDs. - Pablo Barceló; Victor Dalmau; Cristina Feier; Carsten Lutz; Andreas Pieris (PODS, 2020)

Characterising Fixed Parameter Tractability of Query Evaluation Over Guarded TGDs (Extended Abstract). - Cristina Feier (Description Logics, 2021)

Efficiency of Query Evaluation Under Guarded TGDs: The Unbounded Arity Case. - Cristina Feier (CoRR, 2021)

Characterising Fixed Parameter Tractability for Query Evaluation over Guarded TGDs. - Cristina Feier (ICDT, 2022)

Exploiting Semantic Treewidth for Graph Queries Evaluation (short paper). - Cristina Feier; Tomasz Gogacz; Filip Murlak (AMW, 2023)

Answer Counting under Guarded TGDs. - Cristina Feier; Carsten Lutz; Marcin Przybylko (Log. Methods Comput. Sci., 2023)

Evaluating Graph Queries Using Semantic Treewidth. - Cristina Feier; Tomasz Gogacz; Filip Murlak (ICDT, 2024)