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ITCC
2002
IEEE
12 years 10 months ago
Improve Precategorized Collection Retrieval by Using Supervised Term Weighting Schemes
The emergence of the world-wide-web has led to an increased interest in methods for searching for information. A key characteristic of many of the online document collections is t...
Ying Zhao, George Karypis
AIR
2005
99views more  AIR 2005»
12 years 5 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
AAAI
2006
12 years 7 months ago
Proposing a New Term Weighting Scheme for Text Categorization
In text categorization, term weighting methods assign appropriate weights to the terms to improve the classification performance. In this study, we propose an effective term weigh...
Man Lan, Chew Lim Tan, Hwee-Boon Low
SIGIR
2009
ACM
13 years 13 days ago
An improved markov random field model for supporting verbose queries
Recent work in supervised learning of term-based retrieval models has shown signi´Čücantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
Matthew Lease
IR
2006
12 years 5 months ago
Evolving local and global weighting schemes in information retrieval
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
Ronan Cummins, Colm O'Riordan
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