128 search results - page 4 / 26 » Extending XML Query Language Xcerpt by Ontology Queries |
COOPIS
2002
IEEE
14 years 9 days ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
WWW
2001
ACM
14 years 8 months ago
2001
ACM
MSL (Model Schema Language) is an attempt to formalize some of the core idea in XML Schema. The benefits of a formal description is that it is both concise and precise. MSL has al...
LICS
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology querying, and...
WWW
2005
ACM
14 years 8 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...
ER
1999
Springer
13 years 11 months ago
1999
Springer
Several federated database systems have been built in the past using the relational or the object model as federating model. This paper gives an overview of the XMLMedia system, a ...