494 search results - page 41 / 99 » Comparing and Combining Methods for Automatic Query Expansio... |
CLEF
2009
Springer
13 years 6 months ago
2009
Springer
We introduce a new multimodal retrieval technique which combines query reformulation and visual image reranking in order to deal with results sparsity and imprecision, respectively...
CLEF
2007
Springer
14 years 3 months ago
2007
Springer
In this paper, we propose a pseudo-relevance feedback method to deal with the photographic retrieval and medical retrieval tasks of ImageCLEF 2007. The aim of our participation to...
PAMI
2008
13 years 9 months ago
2008
This paper describes BoostMap, a method for efficient nearest neighbor retrieval under computationally expensive distance measures. Database and query objects are embedded into a v...
ESORICS
2002
Springer
14 years 8 months ago
2002
Springer
Abstract. An important goal of security in information systems is confidentiality. A confidentiality policy specifies which users should be forbidden to acquire what kind of inform...
CW
2005
IEEE
14 years 2 months ago
2005
IEEE
Different information retrieval (IR) systems often return very diverse results lists for the same query. This is problematic for users since no one IR system works best for every ...