9611 search results - page 1571 / 1923 » A Note on Difference Sets |
266
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Database queries are often exploratory and users often find their queries return too many answers, many of them irrelevant. Existing work either categorizes or ranks the results t...
186
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
Abstract. Clustering has become an increasingly important task in modern application domains such as marketing and purchasing assistance, multimedia, molecular biology as well as m...
170
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
This paper studies the problem of evaluating continuous multi-way joins on top of Distributed Hash Tables (DHTs). We present a novel algorithm, called recursive join (RJoin), that...
196
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MOBIHOC
2006
ACM
16 years 6 months ago
2006
ACM
Traditionally, ad hoc networks have been viewed as a connected graph over which end-to-end routing paths had to be established. Mobility was considered a necessary evil that inval...
243
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MOBIHOC
2005
ACM
16 years 6 months ago
2005
ACM
This paper proposes a new principle for designing MAC protocols for spread spectrum based ad hoc networks ? inducing spatial clustering in contending transmitters/receivers. We fi...