Sciweavers

1663 search results - page 141 / 333
» Description Logics for Interoperability
Sort
View
CSL
2001
Springer
15 years 9 months ago
Capture Complexity by Partition
We show in this paper a special extended logic, partition logic based on so called partition quantifiers, is able to capture some important complexity classes NP, P and NL by its ...
Yijia Chen, Enshao Shen
ICDE
1997
IEEE
176views Database» more  ICDE 1997»
16 years 5 months ago
ODB-QOPTIMIZER: A Tool for Semantic Query Optimization in OODB
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
Sonia Bergamaschi, Domenico Beneventano, Claudio S...
OTM
2007
Springer
15 years 10 months ago
Fuzzy-DL Reasoning over Unknown Fuzzy Degrees
In this paper we describe a fuzzy Description Logic reasoner which implements resolution in order to provide reasoning services for expressive fuzzy DLs. The main innovation of thi...
Stasinos Konstantopoulos, Georgios Apostolikas
JELIA
2004
Springer
15 years 9 months ago
Explaining Subsumption by Optimal Interpolation
We describe ongoing research to support the construction of terminologies with Description Logics. For the explanation of subsumption we search for particular concepts because of t...
Stefan Schlobach
COSIT
1999
Springer
162views GIS» more  COSIT 1999»
15 years 8 months ago
Terminological Default Reasoning about Spatial Information: A First Step
We extend the theory about terminological default reasoning by using a logical base language that can represent spatioterminological phenomena. Based on this description logic lang...
Ralf Möller, Michael Wessel