29 search results - page 5 / 6 » Best Position Algorithms for Top-k Queries |
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...
WWW
2009
ACM
14 years 6 months ago
2009
ACM
We consider the problem of identifying the consensus ranking for the results of a query, given preferences among those results from a set of individual users. Once consensus ranki...
CIKM
2010
Springer
13 years 3 months ago
2010
Springer
Traditional machine-learned ranking algorithms for web search are trained in batch mode, which assume static relevance of documents for a given query. Although such a batch-learni...
CLEF
2010
Springer
13 years 6 months ago
2010
Springer
The main goal of this paper it is to present our experiments in ImageCLEF 2010 Campaign (Wikipedia retrieval task). This edition we present a different way of using textual and vis...
WSDM
2010
ACM
14 years 2 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...