1199 search results - page 158 / 240 » Graph Theory |
137
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PODS
2004
ACM
16 years 4 months ago
2004
ACM
Unions of conjunctive queries, also known as select-project-join-union queries, are the most frequently asked queries in relational database systems. These queries are definable b...
130
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MOBIHOC
2007
ACM
16 years 3 months ago
2007
ACM
In this paper we study the problem of scheduling wireless links in the geometric SINR model, which explicitly uses the fact that nodes are distributed in the Euclidean plane. We p...
129
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MOBIHOC
2005
ACM
16 years 3 months ago
2005
ACM
In this paper, we investigate the use of limited infrastructure, in the form of wires, for improving the energy efficiency of a wireless sensor network. We call such a sensor netw...
132
Voted
HT
2009
ACM
15 years 10 months ago
2009
ACM
Folksonomies provide a rich source of data to study social patterns taking place on the World Wide Web. Here we study the temporal patterns of users’ tagging activity. We show t...
131
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ATAL
2007
Springer
15 years 10 months ago
2007
Springer
Ranking systems are a fundamental ingredient of multi-agent environments and Internet Technologies. These settings can be viewed as social choice settings with two distinguished p...