614 search results - page 15 / 123 » Similarity-based Approach to Relevance Learning |
AIRS
2009
Springer
14 years 2 months ago
2009
Springer
Relevance-based language models operate by estimating the probabilities of observing words in documents relevant (or pseudo relevant) to a topic. However, these models assume that ...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Most existing web video search engines index videos by file names, URLs, and surrounding texts. These types of video roughly describe the whole video in an abstract level without ...
CHI
2011
ACM
12 years 11 months ago
2011
ACM
Extracting useful knowledge from large network datasets has become a fundamental challenge in many domains, from scientific literature to social networks and the web. We introduc...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
Selection of genes that are differentially expressed and critical to a particular biological process has been a major challenge in post-array analysis. Recent development in bioin...
JMLR
2010
13 years 2 months ago
2010
We propose a novel application of the Simultaneous Orthogonal Matching Pursuit (SOMP) procedure to perform variable selection in ultra-high dimensional multiple output regression ...