3891 search results - page 341 / 779 » Query Models |
131
click to vote
ADBIS
1997
Springer
15 years 9 months ago
1997
Springer
A graphical formalized language is proposed for specifying systems of views over database schemas. The language is based on the notion of arrow (mapping) between data schemas and ...
114
click to vote
TREC
2000
15 years 6 months ago
2000
TREC-9 evaluation experiments at the Justsystem site are described with a focus on "aboutness" based approach in text retrieval. Experiments on the effects of supplement...
187
click to vote
ICPP
1994
IEEE
15 years 9 months ago
1994
IEEE
E cient data-parallel spatial join algorithms for pmr quadtrees and R-trees, common spatial data structures, are presented. The domain consists of planar line segment data i.e., Bu...
140
click to vote
VLDB
1998
ACM
15 years 9 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
314
click to vote
ICDE
2008
IEEE
17 years 4 months ago
2008
IEEE
The Web has the potential to become the world’s
largest knowledge base. In order to unleash this potential,
the wealth of information available on the Web needs to be
extracte...