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2007
ACM
16 years 6 months ago
2007
ACM
Several research efforts as well as deployments have chosen IEEE 802.11 as a low-cost, long-distance access technology to bridge the digital divide. In this paper, we consider the...
172
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2007
ACM
16 years 6 months ago
2007
ACM
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...
159
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2006
ACM
16 years 6 months ago
2006
ACM
A collaborative crawler is a group of crawling nodes, in which each crawling node is responsible for a specific portion of the web. We study the problem of collecting geographical...
181
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2006
ACM
16 years 6 months ago
2006
ACM
Large-scale text categorization is an important research topic for Web data mining. One of the challenges in large-scale text categorization is how to reduce the amount of human e...
154
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WWW
2006
ACM
16 years 6 months ago
2006
ACM
Contextual search refers to proactively capturing the information need of a user by automatically augmenting the user query with information extracted from the search context; for...