513 search results - page 7 / 103 » Advanced Query Processing in Object Bases Using Access Suppo... |
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
ADBIS
2009
Springer
14 years 2 months ago
2009
Springer
The development of location-based services and advances in the field of mobile computing have motivated an intensive research effort devoted to the efficient processing of locati...
ICDCS
2002
IEEE
14 years 15 days ago
2002
IEEE
Recent technology advances have enabled mediated query processing with Internet accessible WebSources. A characteristic of WebSources is that their access costs exhibit transient ...
IJBRA
2007
13 years 7 months ago
2007
: The biomedical literature is growing at an ever-increasing rate, which pronounces the need to support scientists with advanced, automated means of accessing knowledge. We investi...
SSDBM
2002
IEEE
14 years 13 days ago
2002
IEEE
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...