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» Generalized inverse document frequency
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AIR
2005
99views more  AIR 2005»
13 years 7 months ago
Evolving General Term-Weighting Schemes for Information Retrieval: Tests on Larger Collections
Term-weighting schemes are vital to the performance of Information Retrieval models that use term frequency characteristics to determine the relevance of a document. The vector spa...
Ronan Cummins, Colm O'Riordan
CIKM
2010
Springer
13 years 6 months ago
Reverted indexing for feedback and expansion
Traditional interactive information retrieval systems function by creating inverted lists, or term indexes. For every term in the vocabulary, a list is created that contains the d...
Jeremy Pickens, Matthew Cooper, Gene Golovchinsky
MM
2004
ACM
154views Multimedia» more  MM 2004»
14 years 26 days ago
Bio-Fi: inverse biotelemetry projects
Bio-Fi is a collection of art projects undertaken by S.W.A.M.P. (Studies of Work Atmospheres and Mass Production), collaborative art projects by Douglas Easterly and Matt Kenyon. ...
Douglas Easterly
CIKM
2011
Springer
12 years 7 months ago
Lower-bounding term frequency normalization
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
Yuanhua Lv, ChengXiang Zhai
WSDM
2010
ACM
210views Data Mining» more  WSDM 2010»
14 years 4 months ago
Leveraging Temporal Dynamics of Document Content in Relevance Ranking
Many web documents are dynamic, with content changing in varying amounts at varying frequencies. However, current document search algorithms have a static view of the document con...
Jonathan L. Elsas, Susan T. Dumais