224 search results - page 28 / 45 » Semi-parametric and Non-parametric Term Weighting for Inform... |
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
ICPR
2008
IEEE
14 years 9 months ago
2008
IEEE
Combination of structure and content features is necessary for effective retrieval and classification of XML documents. Composite kernels provide a way for fusion of content and s...
IAT
2005
IEEE
14 years 1 months ago
2005
IEEE
Similarity measures are mechanisms that assign a numeric score indicating how closely two documents, or a document and a query match. The Cosine measure is one of the similarity m...
CLEF
2006
Springer
13 years 11 months ago
2006
Springer
This paper details the participation of the XLDB group from the University of Lisbon at the GeoCLEF task of CLEF 2006. We tested text mining methods that make use of an ontology t...
CLEF
2009
Springer
13 years 9 months ago
2009
Springer
In this paper we describe our participation in CLEF-IP 2009 (prior art search task). This was the first year of the task and we focused on how to build effectively a prior art quer...