101 search results - page 18 / 21 » Consistent query answering under inclusion dependencies |
ECOI
2007
13 years 9 months ago
2007
Experts often disagree about the organization of biological taxa. The shifting definitions of taxonomic names complicate otherwise simple queries concerning these taxa. For examp...
LPKR
1997
Springer
14 years 1 months ago
1997
Springer
The purpose of this paper is to investigate the methodology of reasoning with prioritized defaults in the language of logic programs under the answer set semantics. We present a do...
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
Structured P2P systems have been developed for constructing applications at internet scale in cooperative environments and exhibit a number of desirable features such as scalabili...
COMPGEOM
2003
ACM
14 years 3 months ago
2003
ACM
Given a scene consisting of objects, ray shooting queries answer with the first object encountered by a given ray, and are used in ray tracing and radiosity for rendering photo-r...