418 search results - page 28 / 84 » Optimizing Large Join Queries in Mediation Systems |
CVDB
2005
ACM
13 years 9 months ago
2005
ACM
The typical mode for querying in an image content-based information system is query-by-example, which allows the user to provide an image as a query and to search for similar imag...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
COOPIS
2003
IEEE
14 years 29 days ago
2003
IEEE
Abstract. Decision-makers in critical fields such as medicine and finance make use of a wide range of information available over the Internet. Mediation, a data integration techn...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
VLDB
2001
ACM
14 years 3 days ago
2001
ACM
With the advent of XML as a standard for data representation and exchange on the Internet, storing and querying XML data becomes more and more important. Several XML query languag...