1347 search results - page 131 / 270 » Feature Selection Algorithms: A Survey and Experimental Eval... |
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
CIKM
2009
Springer
14 years 25 days ago
2009
Springer
In dynamic environments with frequent content updates, we require online full-text search that scales to large data collections and achieves low search latency. Several recent met...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
MM
2006
ACM
14 years 2 months ago
2006
ACM
We have developed a biologically-motivated, unsupervised way of grouping together images whose salient regions of interest (ROIs) are perceptually similar regardless of the visual...
ECIR
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. This paper explores how to predict query difficulty for contextual image retrieval. We reformulate the problem as the task of predicting how difficult to represent a quer...