2181 search results - page 371 / 437 » Ontologies and Description Logics |
EWDW
1990
14 years 2 months ago
1990
The formal description of the semantics of object-oriented data models is still an open problem. Some characteristic features of object-oriented data models, such as methods and i...
DOLAP
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we deal with the problem of determining the best possible physical implementation of an ETL workflow, given its logical-level description and an appropriate cost mo...
CIE
2009
Springer
14 years 1 months ago
2009
Springer
An arithmetic circuit is a labelled, directed, acyclic graph specifying a cascade of arithmetic and logical operations to be performed on sets of non-negative integers. In this pap...
ACMICEC
2006
ACM
2006
ACM
A semantic-based fully visual application for matchmaking and query refinement in B2C e-marketplaces
14 years 1 months ago
This paper presents a visual application in the framework of semantic-enabled e-marketplaces aimed at fully exploiting semantics of supply/demand descriptions in B2C and C2C e-mar...
APWEB
2006
Springer
14 years 1 months ago
2006
Springer
Named Graphs is a simple, compatible extension to the RDF syntax that enables statements to be made about RDF graphs. This approach is in contrast to earlier attempts such as RDF r...