1836 search results - page 154 / 368 » Hierarchies for semantic classes |
DEDS
2010
14 years 10 months ago
2010
In discrete event systems, a given task can start executing when all the required input data are available. The required input data for a given task may change along the evolution...
100
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JSW
2007
14 years 10 months ago
2007
Abstract— We present and evaluate a novel constraintbased model transformation approach that implements a preservation-centric view. The proposed framework comprises formal prese...
88
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WWW
2005
ACM
15 years 10 months ago
2005
ACM
Some recent initiatives try to take profit from RDF to make XML documents interoperate at the semantic level. Ontologies are used to establish semantic connections among XML langu...
WIDM
2005
ACM
15 years 3 months ago
2005
ACM
Web Directories are repositories of Web pages organized in a hierarchy of topics and sub-topics. In this paper, we present DirectoryRank, a ranking framework that orders the pages...
XIMEP
2005
ACM
15 years 3 months ago
2005
ACM
There are three set operators defined in XQuery, namely union, intersect and except. They take node sequences as operands, in which each node is identified by its node-ID and tr...