421 search results - page 43 / 85 » Answering Queries Using Cooperative Semantic Caching |
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
ESWS
2005
Springer
14 years 4 months ago
2005
Springer
The Semantic Web is an extension of the current Web in which information is given well-defined meaning to support effective data discovery and integration. The RDF framework is a...
ICDE
2007
IEEE
15 years 10 days ago
2007
IEEE
The popularity of XML has motivated the development of novel XML processing tools many of which embed the XPath language for XML querying, transformation, constraint specification...
GIS
2002
ACM
13 years 10 months ago
2002
ACM
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...
SSDBM
2008
IEEE
14 years 5 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...