304 search results - page 52 / 61 » Selectivity Estimation of Window Queries |
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
JAIR
2012
11 years 10 months ago
2012
To achieve scalability of query answering, the developers of Semantic Web applications are often forced to use incomplete OWL 2 reasoners, which fail to derive all answers for at ...
DASFAA
2008
IEEE
13 years 9 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 ...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Score normalization is indispensable in distributed retrieval and fusion or meta-search where merging of result-lists is required. Distributional approaches to score normalization...
ERCIMDL
2007
Springer
14 years 1 months ago
2007
Springer
We propose and evaluate a query expansion mechanism that supports searching and browsing in collections of annotated documents. Based on generative language models, our feedback me...