514 search results - page 41 / 103 » Ontology Based Context Modeling and Reasoning using OWL |
ESWS
2006
Springer
14 years 10 days ago
2006
Springer
We present a comprehensive approach to ontology evaluation and validation, which have become a crucial problem for the development of semantic technologies. Existing evaluation met...
JBCS
2010
13 years 3 months ago
2010
Schema matching is a fundamental issue to many database applications, such as query mediation and data warehousing. It becomes a challenge when different vocabularies are used to r...
ESWS
2008
Springer
13 years 10 months ago
2008
Springer
In order to overcome the limitations of deductive logic-based approaches to deriving operational knowledge from ontologies, especially when data come from distributed sources, indu...
SEMWEB
2007
Springer
14 years 2 months ago
2007
Springer
Classical ontologies are not suitable to represent imprecise nor uncertain pieces of information. Fuzzy Description Logics were born to represent the former type of knowledge, but ...
FCSC
2011
13 years 4 days ago
2011
Description logics (DLs) are widely employed in recent semantic web application systems. However, classical description logics are limited when dealing with imprecise concepts and ...