874 search results - page 145 / 175 » Evaluation Methods for Focused Crawling |
166
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CLEF
2009
Springer
15 years 1 months ago
2009
Springer
The ImageCLEF Photo Retrieval Task 2009 focused on image retrieval and diversity. A new collection was utilised in this task consisting of approximately half a million images with...
138
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WWW
2008
ACM
16 years 4 months ago
2008
ACM
Learning to rank is a new statistical learning technology on creating a ranking model for sorting objects. The technology has been successfully applied to web search, and is becom...
272
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KDD
2008
ACM
16 years 4 months ago
2008
ACM
Many time series prediction methods have focused on single step or short term prediction problems due to the inherent difficulty in controlling the propagation of errors from one ...
157
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SIGIR
2010
ACM
15 years 8 months ago
2010
ACM
Sponsored search is one of the major sources of revenue for search engines on the World Wide Web. It has been observed that while showing ads for every query maximizes shortterm r...
157
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ANLP
1994
15 years 5 months ago
1994
This paper presents a practical machine translation system based on sentence types for economic news stories. Conventional English-to-Japanese machine translation (MT) systems whi...