211 search results - page 32 / 43 » Ranked Query Processing in Uncertain Databases |
MIR
2010
ACM
13 years 7 months ago
2010
ACM
In Content-based Image Retrieval (CBIR), accurately ranking the returned images is of paramount importance, since users consider mostly the topmost results. The typical ranking st...
SIGMOD
2010
ACM
13 years 8 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
DASFAA
2008
IEEE
13 years 10 months ago
2008
IEEE
The increase in the advanced location based services such as traffic coordination and management necessitates the need for advanced models tracking the positions of Moving Objects ...
SIGMOD
2010
ACM
13 years 3 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...