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168
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WWW
2009
ACM
16 years 5 months ago
2009
ACM
The run-time binding of web services has been recently put forward in order to support rapid and dynamic web service compositions. With the growing number of alternative web servi...
158
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
The success and popularity of social network systems, such as del.icio.us, Facebook, MySpace, and YouTube, have generated many interesting and challenging problems to the research...
134
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
Previous studies have highlighted the high arrival rate of new content on the web. We study the extent to which this new content can be efficiently discovered by a crawler. Our st...
155
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WWW
2007
ACM
16 years 5 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...
149
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WWW
2006
ACM
16 years 5 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...