208 search results - page 21 / 42 » On evaluating web search with very few relevant documents |
APWEB
2010
Springer
14 years 8 months ago
2010
Springer
— Query term suggestion that interactively expands the queries is an indispensable technique to help users formulate high-quality queries and has attracted much attention in the ...
WWW
2004
ACM
15 years 10 months ago
2004
ACM
Without textual descriptions or label information of images, searching semantic concepts in image databases is still a very challenging task. While automatic annotation techniques...
IAT
2003
IEEE
15 years 3 months ago
2003
IEEE
This research is about automatic identification and extraction of person names in Chinese text documents. Solutions to this problem have immediate and extensive applications in ma...
111
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SIGIR
2011
ACM
14 years 15 days ago
2011
ACM
Test collections are the primary drivers of progress in information retrieval. They provide a yardstick for assessing the effectiveness of ranking functions in an automatic, rapi...
71
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WWW
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...