194 search results - page 27 / 39 » Learning to rank query reformulations |
172
Voted
VLSISP
2010
15 years 4 days ago
2010
Abstract In case of insufficient data samples in highdimensional classification problems, sparse scatters of samples tend to have many ‘holes’—regions that have few or no nea...
124
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SIGIR
2008
ACM
15 years 1 months ago
2008
ACM
This paper proposes a learning approach for the merging process in multilingual information retrieval (MLIR). To conduct the learning approach, we also present a large number of f...
101
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ECIR
2009
Springer
15 years 11 months ago
2009
Springer
Many different ranking algorithms based on content and context have been used in web search engines to find pages based on a user query. Furthermore, to achieve better performance ...
134
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ICCV
2007
IEEE
15 years 8 months ago
2007
IEEE
Given a query image of an object, our objective is to retrieve all instances of that object in a large (1M+) image database. We adopt the bag-of-visual-words architecture which ha...
133
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ML
2010
ACM
15 years 6 days ago
2010
ACM
Scientific literature with rich metadata can be represented as a labeled directed graph. This graph representation enables a number of scientific tasks such as ad hoc retrieval o...