507 search results - page 36 / 102 » Portfolio theory of information retrieval |
SIGIR
2003
ACM
14 years 29 days ago
2003
ACM
Term-based representations of documents have found widespread use in information retrieval. However, one of the main shortcomings of such methods is that they largely disregard le...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
This paper describes a new paradigm for modeling traffic levels on the world wide web (WWW) using a method of entropy maximization. This traffic is subject to the conservation con...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
We consider the problem of evaluating retrieval systems using a limited number of relevance judgments. Recent work has demonstrated that one can accurately estimate average precis...
CIVR
2010
Springer
13 years 11 months ago
2010
Springer
The Signature Quadratic Form Distance is an adaptive similarity measure for flexible content-based feature representations of multimedia data. In this paper, we present a deep su...