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KDD
2012
ACM
11 years 10 months ago
2012
ACM
The recent explosion in the adoption of search engines and new media such as blogs and Twitter have facilitated faster propagation of news and rumors. How quickly does a piece of ...
PODC
2009
ACM
14 years 4 months ago
2009
ACM
In this paper, we study the wireless synchronization problem which requires devices activated at different times on a congested single-hop radio network to synchronize their roun...
ICALP
2011
Springer
12 years 11 months ago
2011
Springer
We present an O( √ n log n)-approximation algorithm for the problem of finding the sparsest spanner of a given directed graph G on n vertices. A spanner of a graph is a sparse ...