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DLOG
2007
14 years 2 months ago
Integrated Distributed Description Logics
In the context of the Semantic Web or semantic peer to peer systems, many ontologies may exist and be developed independently. Ontology alignments help integrating, mediating or re...
Antoine Zimmermann
DLOG
2007
14 years 2 months ago
Inverse Roles Make Conjunctive Queries Hard
Abstract. Conjunctive query answering is an important DL reasoning task. Although this task is by now quite well-understood, tight complexity bounds for conjunctive query answering...
Carsten Lutz
DLOG
2007
14 years 2 months ago
Modularity in DL-Lite
We develop a formal framework for modular ontologies by analysing four notions of conservative extensions and their applications in refining, re-using, merging, and segmenting ont...
Roman Kontchakov, Frank Wolter, Michael Zakharyasc...
DLOG
2007
14 years 2 months ago
OntoVQL: A Graphical Query Language for OWL Ontologies
The database usability experience has shown that visual query languages tend to be superior to textual languages in many aspects. By applying this principle in the context of ontol...
Amineh Fadhil, Volker Haarslev
DLOG
2007
14 years 2 months ago
Ontology Reuse: Better Safe than Sorry
Bernardo Cuenca Grau, Ian Horrocks, Yevgeny Kazako...
DLOG
2007
14 years 2 months ago
A Well-founded Semantics for Hybrid MKNF Knowledge Bases
Matthias Knorr, José Júlio Alferes, ...
DLOG
2007
14 years 2 months ago
Adding ABoxes to a Description Logic with Uniqueness Constraints via Path Agreements
We now know that the addition of a concept constructor called a Path Functional Dependency (PFD) to the Boolean-complete description logic DLF leads to undecidability of ABox consi...
Vitaliy L. Khizder, David Toman, Grant E. Weddell
DLOG
2007
14 years 2 months ago
Practical Conforming Datatype Groups
Dave Turner, Jeremy Carroll
DLOG
2007
14 years 2 months ago
A Constructive Semantics for ALC
One of the main concerns of constructive semantics is to provide a computational interpretation for the proofs of a given logic. In this paper we introduce a constructive semantics...
Loris Bozzato, Mauro Ferrari, Camillo Fiorentini, ...