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SENSYS
2006
ACM
13 years 10 months ago
2006
ACM
Varying interference levels make broadcasting an unreliable operation in low-power wireless networks. Many routing and resource discovery protocols depend on flooding (repeated pe...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...
SECON
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—In multicast/broadcast services over infrastructurebased/cellular wireless networks (e.g. 3G cellular networks, WiMax, DVB), data is transmitted to multiple recipients f...
SODA
1992
ACM
13 years 5 months ago
1992
ACM
We present a general approximation technique for a large class of graph problems. Our technique mostly applies to problems of covering, at minimum cost, the vertices of a graph wit...
APPROX
2007
Springer
13 years 11 months ago
2007
Springer
We study the two party problem of randomly selecting a string among all the strings of length n. We want the protocol to have the property that the output distribution has high en...