507 search results - page 41 / 102 » Portfolio theory of information retrieval |
KDD
2004
ACM
14 years 8 months ago
2004
ACM
d Abstract] Christian Borgs Jennifer Chayes Mohammad Mahdian Amin Saberi We propose to use the community structure of Usenet for organizing and retrieving the information stored i...
ITCC
2005
IEEE
14 years 1 months ago
2005
IEEE
Declustering techniques reduce query response times through parallel I/O by distributing data among multiple devices. Most of the research on declustering is targeted at spatial r...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
This paper presents a study of three statistical query translation models that use different units of translation. We begin with a review of a word-based translation model that us...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
In this paper, we propose a novel dependency language modeling approach for information retrieval. The approach extends the existing language modeling approach by relaxing the ind...
TREC
2003
13 years 9 months ago
2003
Ranking functions are instrumental for the success of an information retrieval (search engine) system. However nearly all existing ranking functions are manually designed based on...