3891 search results - page 306 / 779 » Query Models |
154
click to vote
DASFAA
2010
IEEE
16 years 1 months ago
2010
IEEE
Abstract. Besides topological relations and approximate relations, cardinal directions have turned out to be an important class of qualitative spatial relations. In spatial databas...
158
click to vote
ECIR
2008
Springer
15 years 7 months ago
2008
Springer
Passage retrieval and pseudo relevance feedback/query expansion have been reported as two effective means for improving document retrieval in literature. Relevance models, while im...
233
click to vote
PODS
1997
ACM
15 years 10 months ago
1997
ACM
In this paper, we present a new cost model for nearest neighbor search in high-dimensional data space. We first analyze different nearest neighbor algorithms, present a generaliza...
154
click to vote
DBPL
1999
Springer
15 years 10 months ago
1999
Springer
Linear constraint databases and query languages are appropriate for spatial database applications. Not only the data model is natural to represent a large portion of spatial data s...
160
click to vote
GCC
2003
Springer
15 years 11 months ago
2003
Springer
Management of various complex resources is an important issue to be well done, in order to fulfill the potential of Grid. In this paper, we propose a formal data model and algebra ...