853 search results - page 81 / 171 » Understanding queries in a search database system |
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
In recent years, content-based image retrieval has become more and more important in many application areas. Similarity retrieval is inherently a very demanding process, in partic...
ICMCS
2007
IEEE
14 years 2 months ago
2007
IEEE
In recent years, some computer vision algorithms such as SIFT (Scale Invariant Feature Transform) have been employed in image similarity match to perform image-based search applic...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Web search engines are facing formidable performance challenges due to data sizes and query loads. The major engines have to process tens of thousands of queries per second over t...
COMPSAC
2002
IEEE
14 years 22 days ago
2002
IEEE
In this paper, an effective content-based visual image retrieval system is presented. This system consists of two main components: visual content extraction and indexing, and quer...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...