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» Indexing with WordNet synsets can improve Text Retrieval
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FLAIRS
2004
13 years 9 months ago
Adapting LSI for Fine-Grained and Multi-Level Document Comparison
In recent years, Latent Semantic Indexing (LSI) has been recognized as an effective tool for Information Retrieval in text documents. The level of "granularity" in LSI (...
Nicholas Adelman, Marin Simina
MM
2010
ACM
141views Multimedia» more  MM 2010»
13 years 8 months ago
TalkMiner: a lecture webcast search engine
The design and implementation of a search engine for lecture webcasts is described. A searchable text index is created allowing users to locate material within lecture videos foun...
John Adcock, Matthew Cooper, Laurent Denoue, Hamed...
CIKM
2008
Springer
13 years 9 months ago
Combining concept hierarchies and statistical topic models
Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can p...
Chaitanya Chemudugunta, Padhraic Smyth, Mark Steyv...
SIGIR
2009
ACM
14 years 2 months ago
Addressing morphological variation in alphabetic languages
The selection of indexing terms for representing documents is a key decision that limits how effective subsequent retrieval can be. Often stemming algorithms are used to normaliz...
Paul McNamee, Charles K. Nicholas, James Mayfield
CIKM
2005
Springer
14 years 1 months ago
Maximal termsets as a query structuring mechanism
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
Bruno Pôssas, Nivio Ziviani, Berthier A. Rib...