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180
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Spammers use questionable search engine optimization (SEO) techniques to promote their spam links into top search results. In this paper, we focus on one prevalent type of spam ? ...
175
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
Domain ontology has been used in many Semantic Web applications. However, few applications explore the use of ontology for personalized services. This paper proposes an ontology b...
158
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
Mining subtopics from weblogs and analyzing their spatiotemporal patterns have applications in multiple domains. In this paper, we define the novel problem of mining spatiotempora...
166
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
The poster describes a fast, simple, yet accurate method to associate large amounts of web resources stored in a search engine database with geographic locations. The method uses ...
152
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STOC
2009
ACM
16 years 7 months ago
2009
ACM
We prove that for any positive integer k, there is a constant ck such that a randomly selected set of cknk log n Boolean vectors with high probability supports a balanced k-wise i...