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» Document frequency and term specificity
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114
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CIKM
2010
Springer
15 years 2 months ago
Term necessity prediction
The probability that a term appears in relevant documents ( ) is a fundamental quantity in several probabilistic retrieval models, however it is difficult to estimate without rele...
Le Zhao, Jamie Callan
140
Voted
AIR
2005
99views more  AIR 2005»
15 years 3 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
106
Voted
IPM
2008
100views more  IPM 2008»
15 years 3 months ago
Global term weights in distributed environments
This paper examines the estimation of global term weights (such as IDF) in information retrieval scenarios where a global view on the collection is not available. In particular, t...
Hans Friedrich Witschel
115
Voted
DEXAW
2010
IEEE
166views Database» more  DEXAW 2010»
15 years 4 months ago
Thesaurus Based Term Ranking for Keyword Extraction
In many cases keywords from a restricted set of possible keywords have to be assigned to texts. A common way to find the best keywords is to rank terms occurring in the text accord...
Luit Gazendam, Christian Wartena, Rogier Brussee
132
Voted
ELPUB
1997
ACM
15 years 7 months ago
Generic Hypermedia Structure and Presentation Specification
We consider the generic hypermedia structure of a document to be a means of representing the document that allows it to be processed into a wide variety of presentations. Represen...
Lloyd Rutledge, Jacco van Ossenbruggen, Lynda Hard...