334 search results - page 28 / 67 » On the Update of Term Weights in Dynamic Information Retriev... |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
We present HAMLET, a suite of principles, scoring models and algorithms to automatically propagate metadata along edges in a document neighborhood. As a showcase scenario we consi...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Topical noise in blogs arises when bloggers digress from the central topical thrust of their blogs. We introduce a method to explicitly incorporate a model of topical noise into a...
AIRS
2006
Springer
13 years 11 months ago
2006
Springer
One of the main challenges in content-based image retrieval still remains to bridge the gap between low-level features and semantic information. In this paper, we present our first...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
As dynamic content becomes increasingly dominant, it becomes an important research topic as how the edge resources such as client-side proxies, which are otherwise underutilized f...