2228 search results - page 287 / 446 » A System for Semantic Query Optimization |
PR
2002
13 years 8 months ago
2002
A statistical correlation model for image retrieval is proposed. This model captures the semantic relationships among images in a database from simple statistics of userprovided r...
SISAP
2010
IEEE
13 years 6 months ago
2010
IEEE
The retrieval of videos of interest from large video collections is a main open problem which calls for the definition of new video content characterization techniques in term of ...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Existing index selection tools rely on heuristics to efficiently search within the large space of alternative solutions and to minimize the overhead of using the query optimizer ...
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
In many data-centric applications, it is desirable to use OWL as an expressive schema language with which one expresses constraints that must be satisfied by instance data. Howeve...
AINA
2007
IEEE
14 years 2 months ago
2007
IEEE
Users commonly rely just on scarce textual annotation when their searches for images are semantic or conceptual based. Rich visual information is often thrown away in basic annota...