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JASIS
2010
182views more  JASIS 2010»
13 years 7 months ago
Understanding latent semantic indexing: A topological structure analysis using Q-analysis
Abstract – The method of latent semantic indexing (LSI) is well known for tackling the synonymy and polysemy problems in information retrieval. However, its performance can be ve...
Dandan Li, Chung-Ping Kwong
ACL
2006
13 years 10 months ago
Argumentative Feedback: A Linguistically-Motivated Term Expansion for Information Retrieval
We report on the development of a new automatic feedback model to improve information retrieval in digital libraries. Our hypothesis is that some particular sentences, selected ba...
Patrick Ruch, Imad Tbahriti, Julien Gobeill, Alan ...
ESWS
2009
Springer
14 years 3 months ago
Benchmarking Fulltext Search Performance of RDF Stores
More and more applications use the RDF framework as their data model and RDF stores to index and retrieve their data. Many of these applications require both structured queries as ...
Enrico Minack, Wolf Siberski, Wolfgang Nejdl
CLEF
2006
Springer
14 years 21 days ago
The University of Lisbon at CLEF 2006 Ad-Hoc Task
This paper reports the participation of the XLDB Group from the University of Lisbon in the CLEF 2006 ad-hoc monolingual and bilingual subtasks for Portuguese. We present our IR s...
Nuno Cardoso, Mário J. Silva, Bruno Martins
SIGIR
2004
ACM
14 years 2 months ago
Probabilistic model for contextual retrieval
Contextual retrieval is a critical technique for facilitating many important applications such as mobile search, personalized search, PC troubleshooting, etc. Despite of its impor...
Ji-Rong Wen, Ni Lao, Wei-Ying Ma