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CIKM
2010
Springer
14 years 8 months ago
Fast query expansion using approximations of relevance models
Pseudo-relevance feedback (PRF) improves search quality by expanding the query using terms from high-ranking documents from an initial retrieval. Although PRF can often result in ...
Marc-Allen Cartright, James Allan, Victor Lavrenko...
IJCNLP
2004
Springer
15 years 3 months ago
A Re-examination of IR Techniques in QA System
The performance of Information Retrieval in the Question Answering system is not satisfactory from our experiences in TREC QA Track. In this article, we take a comparative study t...
Yi Chang, Hongbo Xu, Shuo Bai
ACHI
2010
IEEE
14 years 1 months ago
Multi-language Ontology-Based Search Engine
Abstract—One of the first Multi-Language Information Retrieval (MLIR) systems was implemented in 1969 by Gerard Salton who enhanced his SMART system to retrieve multilingual doc...
Leyla Zhuhadar, Olfa Nasraoui, Robert Wyatt, Eliza...
KES
2010
Springer
14 years 8 months ago
DOCODE-Lite: A Meta-Search Engine for Document Similarity Retrieval
The retrieval of similar documents from large scale datasets has been the one of the main concerns in knowledge management environments, such as plagiarism detection, news impact a...
Felipe Bravo-Marquez, Gaston L'Huillier, Sebasti&a...
SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
14 years 17 days ago
Context-sensitive ranking for document retrieval
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
Liang Jeff Chen, Yannis Papakonstantinou