561 search results - page 30 / 113 » Two-stage language models for information retrieval |
WWW
2007
ACM
14 years 8 months ago
2007
ACM
The primary function of current Web search engines is essentially relevance ranking at the document level. However, myriad structured information about real-world objects is embed...
CLEF
2007
Springer
14 years 1 months ago
2007
Springer
In participating in this CLEF evaluation campaign, our first objective is to propose and evaluate various indexing and search strategies for the Russian language, in order to obta...
CLEF
2007
Springer
14 years 1 months ago
2007
Springer
We present two simple but effective smoothing techniqes for the standard language model (LM) approach to information retrieval [12]. First, we extend the unigram Dirichlet smoothi...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
In a new model for answer retrieval, document collections are distilled offline into large repositories of facts. Each fact constitutes a potential direct answer to questions seek...
CIKM
2009
Springer
13 years 11 months ago
2009
Springer
Answer typing is commonly thought of as finding appropriate responses to given questions. We extend the notion of answer typing to information retrieval to ensure results contain...