95 search results - page 13 / 19 » The Complexity of Conjunctive Query Answering in Expressive ... |
DLOG
2009
13 years 5 months ago
2009
Abstract. Model-based most specific concepts are a non-standard reasoning service in Description Logics. They have turned out to be useful in knowledge base completion for ontologi...
OTM
2007
Springer
14 years 1 months ago
2007
Springer
Practical scalability of Description Logic (DL) reasoning is an important premise for the adoption of OWL in a real-world setting. Many highly efficient optimizations for the DL ta...
SEBD
2001
13 years 9 months ago
2001
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
ESWS
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Description Logic Programs (DL-programs) have been introduced to combine ontological and rule-based reasoning in the context of the Semantic Web. A DL-program loosely com...
LATIN
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. We present a probability logic (essentially a first order language extended with quantifiers that count the fraction of elements in a model that satisfy a first order ...