13559 search results - page 2387 / 2712 » Information Retrieval on the Web |
158
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
The research objective of this work is to develop a general framework that incorporates collaborative social tagging with a novel ontology scheme conveying multiple perspectives. ...
178
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we formally define the problem of topic modeling with network structure (TMN). We propose a novel solution to this problem, which regularizes a statistical topic mo...
155
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
We address the problem of measuring global quality metrics of search engines, like corpus size, index freshness, and density of duplicates in the corpus. The recently proposed est...
151
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
In this paper we study the privacy preservation properties of a specific technique for query log anonymization: tokenbased hashing. In this approach, each query is tokenized, and ...
185
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....