Journal of Automated Reasoning
Using Resolution for Testing Modal Satisfiability and Building Models
Journal of Automated Reasoning
Theorem Proving with Sequence Variables and Flexible Arity Symbols
LPAR '02 Proceedings of the 9th International Conference on Logic for Programming, Artificial Intelligence, and Reasoning
DAML-S: Web Service Description for the Semantic Web
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
Querying the Semantic Web: A Formal Approach
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
OilEd: A Reason-able Ontology Editor for the Semantic Web
KI '01 Proceedings of the Joint German/Austrian Conference on AI: Advances in Artificial Intelligence
CADE-16 Proceedings of the 16th International Conference on Automated Deduction: Automated Deduction
Parts, Locations, and Holes - Formal Reasoning about Anatomical Structures
AIME '01 Proceedings of the 8th Conference on AI in Medicine in Europe: Artificial Intelligence Medicine
Three theses of representation in the semantic web
WWW '03 Proceedings of the 12th international conference on World Wide Web
Reviewing the design of DAML+OIL: an ontology language for the semantic web
Eighteenth national conference on Artificial intelligence
Handbook of automated reasoning
Journal of Symbolic Computation - Special issue: First order theorem proving
Limited resource strategy in resolution theorem proving
Journal of Symbolic Computation - Special issue: First order theorem proving
The Knowledge Engineering Review
Foundations for service ontologies: aligning OWL-S to dolce
Proceedings of the 13th international conference on World Wide Web
A proposal for an owl rules language
Proceedings of the 13th international conference on World Wide Web
The design and implementation of VAMPIRE
AI Communications - CASC
Decidability of SHIQ with complex role inclusion axioms
IJCAI'03 Proceedings of the 18th international joint conference on Artificial intelligence
OWL-QL-a language for deductive query answering on the Semantic Web
Web Semantics: Science, Services and Agents on the World Wide Web
Building a bioinformatics ontology using OIL
IEEE Transactions on Information Technology in Biomedicine
Journal of Symbolic Computation
Visualizing Proof Search for Theorem Prover Development
Electronic Notes in Theoretical Computer Science (ENTCS)
Efficient description logic reasoning in prolog: The dlog system
Theory and Practice of Logic Programming
Reasoning in expressive extensions of the RDF semantics
ESWC'11 Proceedings of the 8th extended semantic web conference on The semanic web: research and applications - Volume Part II
Reasoning in the OWL 2 full ontology language using first-order automated theorem proving
CADE'11 Proceedings of the 23rd international conference on Automated deduction
IJCAR'10 Proceedings of the 5th international conference on Automated Reasoning
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It is claimed in [45] that first-order theorem provers are not efficient for reasoning with ontologies based on description logics compared to specialised description logic reasoners. However, the development of more expressive ontology languages requires the use of theorem provers able to reason with full first-order logic and even its extensions. So far, theorem provers have extensively been used for running experiments over TPTP containing mainly problems with relatively small axiomatisations. A question arises whether such theorem provers can be used to reason in real time with large axiomatisations used in expressive ontologies such as SUMO. In this paper we answer this question affirmatively by showing that a carefully engineered theorem prover can answer queries to ontologies having over 15,000 first-order axioms with equality. Ontologies used in our experiments are based on the language KIF, whose expressive power goes far beyond the description logic based languages currently used in the Semantic Web.