Sciweavers

699 search results - page 40 / 140
» Hierarchical pitman-yor language model for information retri...
Sort
View
CLEF
2007
Springer
15 years 3 months ago
Domain-Specific IR for German, English and Russian Languages
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...
Claire Fautsch, Ljiljana Dolamic, Samir Abdou, Jac...
68
Voted
CLEF
2007
Springer
15 years 3 months ago
A Dirichlet-Smoothed Bigram Model for Retrieving Spontaneous Speech
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...
Matthew Lease, Eugene Charniak
80
Voted
WWW
2007
ACM
15 years 10 months ago
A no-frills architecture for lightweight answer retrieval
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...
Marius Pasca
57
Voted
CIKM
2009
Springer
15 years 1 months ago
Answer typing for information retrieval
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...
Christopher Pinchak, Davood Rafiei, Dekang Lin
82
Voted
CIKM
2009
Springer
15 years 4 months ago
Adaptive relevance feedback in information retrieval
Relevance Feedback has proven very effective for improving retrieval accuracy. A difficult yet important problem in all relevance feedback methods is how to optimally balance the...
Yuanhua Lv, ChengXiang Zhai