Search Results for author: Birte Glimm

Found 3 papers, 0 papers with code

Current and Future Challenges in Knowledge Representation and Reasoning

no code implementations8 Aug 2023 James P. Delgrande, Birte Glimm, Thomas Meyer, Miroslaw Truszczynski, Frank Wolter

Knowledge Representation and Reasoning is a central, longstanding, and active area of Artificial Intelligence.

Relation

Optimizing SPARQL Query Answering over OWL Ontologies

no code implementations4 Feb 2014 Ilianna Kollia, Birte Glimm

Our experimental study shows that the static ordering usually outperforms the dynamic one when accurate statistics are available.

Clustering

Nominals, Inverses, Counting, and Conjunctive Queries or: Why Infinity is your Friend!

no code implementations16 Jan 2014 Sebastian Rudolph, Birte Glimm

Provided that queries contain only simple roles, our result also shows decidability of entailment of (unions of) conjunctive queries in the logic that underpins OWL 1 DL and we believe that the presented results will pave the way for further progress towards conjunctive query entailment decision procedures for the Description Logics underlying the OWL standards.

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