280 search results - page 22 / 56 » On the Semantic Relationship between Datalog and Description... |
DLOG
1996
1996
Resolving Semantic Heterogeneity in Databases with a Terminological Model: Correspondence Refinement
13 years 9 months ago
The success of schema integration in multidatabase systems relies heavily on the determination of complete and refined correspondence relationships between them. So, the candidate...
ER
1995
Springer
14 years 1 days ago
1995
Springer
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
ATAL
1999
Springer
14 years 24 days ago
1999
Springer
Although many formalisms have been proposed for reasoning about intelligent agents, few of these have been semantically grounded in a concrete computational model. This paper prese...
SAC
2006
ACM
13 years 8 months ago
2006
ACM
The paper presents an ontology-based approach to service discovery, apt to support flexible and efficient matchmaking between service descriptions. We propose a hybrid approach th...
ER
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. We investigate the computational complexity of reasoning over various fragments of the Extended Entity-Relationship (EER) language, which includes a number of constructs:...