224 search results - page 23 / 45 » Semi-parametric and Non-parametric Term Weighting for Inform... |
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...
ACL
2008
13 years 9 months ago
2008
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Several types of queries are widely used on the World Wide Web and the expected retrieval method can vary depending on the query type. We propose a method for classifying queries ...
KDD
2010
ACM
13 years 11 months ago
2010
ACM
Many recommendation and retrieval tasks can be represented as proximity queries on a labeled directed graph, with typed nodes representing documents, terms, and metadata, and labe...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Bag-of-visual-words (BoW) has been popular for visual classification in recent years. In this paper, we propose a novel BoW expansion method to alleviate the effect of visual word...