3686 search results - page 221 / 738 » Context Query in Information Retrieval |
258
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...
156
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SPATIALCOGNITION
2004
Springer
15 years 12 months ago
2004
Springer
Wayfinding, i.e. getting from some origin to a destination, is one of the prime everyday problems humans encounter. It has received a lot of attention in research and many (commerc...
184
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ICML
2008
IEEE
16 years 7 months ago
2008
IEEE
In many retrieval tasks, one important goal involves retrieving a diverse set of results (e.g., documents covering a wide range of topics for a search query). First of all, this r...
162
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PODS
1989
ACM
15 years 10 months ago
1989
ACM
In this paper we propose the use of fractals and especially the Hilbert curve, in order to design good distance-preserving mappings. Such mappings improve the performance of secon...
176
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...