307 search results - page 21 / 62 » Generalized syntactic and semantic models of query reformula... |
ASWC
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. We propose a conceptual model for semantic search and implement it in security access control. The model provides security access control to extend the search capabilitie...
DEDUCTIVE
1996
13 years 8 months ago
1996
We de ne a preferential semantics based on stable generated models for a very general class of temporal deductive databases. We allow two kinds of temporal information to be repre...
NGITS
1995
Springer
13 years 11 months ago
1995
Springer
Dozens of temporal extension of the relational data model and of the query language SQL have appeared in recent years. Recently, a committee formed by researchers from the academi...
SSPR
1998
Springer
13 years 11 months ago
1998
Springer
Abstract. The increase in accessability to on-line visual data has promoted the interest in browsing and retrieval of images from Image Databases. Current approaches assume either ...
APLAS
2001
ACM
13 years 11 months ago
2001
ACM
Abstract. We propose a semantic and syntactic framework for modelling linearly used effects, by giving the monadic transforms of the computational lambda calculus (considered as th...