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AAAI
2006
14 years 11 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
DLOG
2010
14 years 7 months ago
Optimal Rewritings in Definitorially Complete Description Logics
In this paper, we revisit the problem of definitorial completeness, i.e., whether a given general TBox T in a description logic (DL) L can be rewritten to an acyclic TBox T in L . ...
Inanç Seylan, Enrico Franconi, Jos de Bruij...
DLOG
1998
14 years 10 months ago
A Description Logic System for Learning in Complex Domains
This paper introduces YAYA1, a Description Logic system focused towards learning complex interrelations among objects. YAYA Concept Language (YCL) is quite restricted; although it...
Jordi Alvarez
KR
2004
Springer
15 years 2 months ago
Optimization Techniques for Retrieving Resources Described in OWL/RDF Documents: First Results
Practical description logic systems play an ever-growing role for knowledge representation and reasoning research even in distributed environments. In particular, the often-discus...
Volker Haarslev, Ralf Möller
DLOG
1998
14 years 10 months ago
Combining Expression and Content in Domains for Dialog Managers
We present work in progress on abstracting dialog managers from their domain in order to implement a dialog manager development tool which takes (among other data) a domain descri...
Bernd Ludwig, Günther Görz, Heinrich Nie...