8298 search results - page 1463 / 1660 » Query-Free Information Retrieval |
139
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WWW
2008
ACM
16 years 5 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...
118
Voted
WWW
2007
ACM
16 years 5 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...
139
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
We investigate the effect of search engine brand (i.e., the identifying name or logo that distinguishes a product from its competitors) on evaluation of system performance. This r...
117
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WWW
2007
ACM
16 years 5 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 ...
130
Voted
WWW
2007
ACM
16 years 5 months ago
2007
ACM
In this paper, we propose a new similarity measure to compute the pairwise similarity of text-based documents based on suffix tree document model. By applying the new suffix tree ...