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276
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
278
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
The inclusion of Regular Expressions (REs) is the kernel of any type-checking algorithm for XML manipulation languages. XML applications would benefit from the extension of REs wi...
188
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
We consider the problem of identifying the consensus ranking for the results of a query, given preferences among those results from a set of individual users. Once consensus ranki...
177
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Given a terabyte click log, can we build an efficient and effective click model? It is commonly believed that web search click logs are a gold mine for search business, because th...
181
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Geographic information has spawned many novel Web applications where global positioning system (GPS) plays important roles in bridging the applications and end users. Learning kno...