1605 search results - page 66 / 321 » Search result diversity for informational queries |
149
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
In this paper, we show that most multiple term queries include more than one topic and users usually reformulate their queries by topics instead of terms. In order to provide empi...
158
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WWW
2009
ACM
16 years 6 months ago
2009
ACM
Web search engines often federate many user queries to relevant structured databases. For example, a product related query might be federated to a product database containing thei...
165
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
Open information spaces have several unique characteristics such as their changeability, large size, complexity and diverse user base. These result in novel challenges during user...
179
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Any given Web search engine may provide higher quality results than others for certain queries. Therefore, it is in users' best interest to utilize multiple search engines. I...
140
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WWW
2005
ACM
16 years 6 months ago
2005
ACM
We describe a framework of bootstrapped hypothesis testing for estimating the confidence in one web search engine outperforming another over any randomly sampled query set of a gi...