720 search results - page 20 / 144 » Positional language models for information retrieval |
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IR
2011
14 years 1 months ago
2011
We review the history of modeling score distributions, focusing on the mixture of normal-exponential by investigating the theoretical as well as the empirical evidence supporting i...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
Social annotation has gained increasing popularity in many Web-based applications, leading to an emerging research area in text analysis and information retrieval. This paper is c...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
CLEF
2003
Springer
15 years 2 months ago
2003
Springer
Abstract. In this paper we propose an approach to deal with the ChineseEnglish cross-language image retrieval problem. Text-based image retrieval and query translation methods were...