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SIGIR
2005
ACM
14 years 1 months ago
An exploration of axiomatic approaches to information retrieval
Existing retrieval models generally do not offer any guarantee for optimal retrieval performance. Indeed, it is even difficult, if not impossible, to predict a model’s empirica...
Hui Fang, ChengXiang Zhai
IPM
2006
83views more  IPM 2006»
13 years 7 months ago
A risk minimization framework for information retrieval
This paper presents a probabilistic information retrieval framework in which the retrieval problem is formally treated as a statistical decision problem. In this framework, querie...
ChengXiang Zhai, John D. Lafferty
IPM
2010
174views more  IPM 2010»
13 years 4 months ago
Managing structured queries in probabilistic XML retrieval systems
Focusing on the context of XML retrieval, in this paper we propose a general methodology for managing structured queries (involving both content and structure) within any given st...
Luis M. de Campos, Juan M. Fernández-Luna, ...
SIGIR
2002
ACM
13 years 7 months ago
A logistic regression approach to distributed IR
This poster session examines a probabilistic approach to distributed information retrieval using a Logistic Regression algorithm for estimation of collection relevance. The algori...
Ray R. Larson