429 search results - page 68 / 86 » A SAT approach to query optimization in mediator systems |
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
ACMICEC
2007
ACM
14 years 23 days ago
2007
ACM
Recommender systems are intelligent E-commerce applications that assist users in a decision-making process by offering personalized product recommendations during an interaction s...
KIVS
2005
Springer
14 years 2 months ago
2005
Springer
: In modern information systems the dominant retrieval paradigms have shifted from exact matching towards retrieving a list of the most relevant objects. This is because users usua...
ICCV
2003
IEEE
14 years 2 months ago
2003
IEEE
Concept learning in content-based image retrieval (CBIR) systems is a challenging task. This paper presents an active concept learning approach based on mixture model to deal with...