38 search results - page 1 / 8 » Evolving local and global weighting schemes in information r... |
IR
2006
13 years 4 months ago
2006
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...
AIR
2005
13 years 4 months ago
2005
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...
CIKM
2005
Springer
13 years 10 months ago
2005
Springer
This paper presents an evaluation of evolved term-weighting schemes on short, medium and long TREC queries. A previously evolved global (collection-wide) term-weighting scheme is ...
CIKM
2005
Springer
13 years 10 months ago
2005
Springer
We approached the problem as learning how to order documents by estimated relevance with respect to a user query. Our support vector machines based classifier learns from the rele...
CIVR
2007
Springer
13 years 10 months ago
2007
Springer
Bag-of-features (BoF) deriving from local keypoints has recently appeared promising for object and scene classification. Whether BoF can naturally survive the challenges such as ...