1923 search results - page 174 / 385 » Ranking in Spatial Databases |
ESWA
2008
13 years 8 months ago
2008
Content-based image retrieval (CBIR) is a group of techniques that analyzes the visual features (such as color, shape, texture) of an example image or image subregion to find simi...
SIGIR
1998
ACM
13 years 7 months ago
1998
ACM
Ranked queries are used to locate relevant documents in text databases. In a ranked query a list of terms is specified, then the documents that most closely match the query are re...
ER
2004
Springer
14 years 1 months ago
2004
Springer
When we derive multi-scale databases from a source spatial database, the geometries and topological relations, which are a kind of constraints defined explicitly or implicitly in ...
DEXAW
2000
IEEE
14 years 19 days ago
2000
IEEE
Spatio-temporal databases have been the focus of considerable research activity over a significant period. However, there are as of yet very few prototypes of complete systems, f...
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...