306 search results - page 52 / 62 » Data Exchange: Semantics and Query Answering |
WEBI
2010
Springer
13 years 7 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL web pages. Some of these pages are static text files, while others are dynamically generated from la...
ICDT
2012
ACM
12 years 5 days ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
VLDB
2001
ACM
14 years 2 months ago
2001
ACM
French government has launch in 2000 a public debate about conservation of data and electronic documents. Due to the widespread use of Internet and extranet technologies, especial...
APIN
2007
13 years 10 months ago
2007
In this thesis, we describe a genetic algorithm for optimizing the superpeer structure of semantic peer to peer networks. Peer to peer, also called P2P, networks enable us to sear...
WWW
2003
ACM
14 years 10 months ago
2003
ACM
The binary form of an image does not tell what the image is about. It is possible to retrieve images from a database using pattern matching techniques, but usually textual descript...