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154
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
Recent work on incremental crawling has enabled the indexed document collection of a search engine to be more synchronized with the changing World Wide Web. However, this synchron...
195
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
The large amount of information now available on the Web can play a prominent role in building a cooperative intelligent distance learning environment. We propose a system to prov...
133
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
It is widely recognized that distributed denial-of-service (DDoS) attacks can disrupt electronic commerce and cause large revenue losses. However, effective defenses continue to b...
173
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
The organization of HTML into a tag tree structure, which is rendered by browsers as roughly rectangular regions with embedded text and HREF links, greatly helps surfers locate an...
157
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
The web's hyperlinks are notoriously brittle, and break whenever a resource migrates. One solution to this problem is a transparent resource migration mechanism, which separa...