5284 search results - page 272 / 1057 » Sampling search-engine results |
155
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WWW
2007
ACM
16 years 7 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...
142
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
There have been recent interests in studying the "goal" behind a user's Web query, so that this goal can be used to improve the quality of a search engine's re...
175
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KDD
2008
ACM
16 years 7 months ago
2008
ACM
How can a search engine automatically provide the best and most appropriate title for a result URL (link-title) so that users will be persuaded to click on the URL? We consider th...
165
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KDD
2007
ACM
16 years 7 months ago
2007
ACM
We address the task of learning rankings of documents from search engine logs of user behavior. Previous work on this problem has relied on passively collected clickthrough data. ...
227
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...