3251 search results - page 393 / 651 » Challenges in Web Information Retrieval |
118
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WWW
2007
ACM
16 years 4 months ago
2007
ACM
Given a huge online social network, how do we retrieve information from it through crawling? Even better, how do we improve the crawling performance by using parallel crawlers tha...
125
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WWW
2006
ACM
16 years 4 months ago
2006
ACM
Determining the similarity of short text snippets, such as search queries, works poorly with traditional document similarity measures (e.g., cosine), since there are often few, if...
146
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WWW
2006
ACM
16 years 4 months ago
2006
ACM
In this paper, we propose an approach to automatically mine event evolution graphs from newswires on the Web. Event evolution graph is a directed graph in which the vertices and e...
135
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KDD
2007
ACM
16 years 4 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. ...
145
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
We study the problem of creating highly compressed fulltext index structures for versioned document collections, that is, collections that contain multiple versions of each docume...