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» Lower connectivities of regular graphs with small diameter
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PVLDB
2011
13 years 3 months ago
Personalized Social Recommendations - Accurate or Private?
With the recent surge of social networks such as Facebook, new forms of recommendations have become possible – recommendations that rely on one’s social connections in order t...
Ashwin Machanavajjhala, Aleksandra Korolova, Atish...
CPC
2010
117views more  CPC 2010»
13 years 6 months ago
On the Number of Perfect Matchings in Random Lifts
Let G be a fixed connected multigraph with no loops. A random n-lift of G is obtained by replacing each vertex of G by a set of n vertices (where these sets are pairwise disjoint)...
Catherine S. Greenhill, Svante Janson, Andrzej Ruc...
GLOBECOM
2006
IEEE
14 years 2 months ago
Protograph LDPC Codes with Node Degrees at Least 3
— In this paper we present protograph codes with a small number of degree-3 nodes and one high degree node. The iterative decoding threshold for proposed rate 1/2 codes are lower...
Dariush Divsalar, Christopher Jones
FOCS
2010
IEEE
13 years 6 months ago
The Coin Problem and Pseudorandomness for Branching Programs
The Coin Problem is the following problem: a coin is given, which lands on head with probability either 1/2 + or 1/2 - . We are given the outcome of n independent tosses of this co...
Joshua Brody, Elad Verbin
MOBIHOC
2008
ACM
14 years 8 months ago
Multicast capacity for hybrid wireless networks
We study the multicast capacity of a random wireless network consisting of ordinary wireless nodes and base stations, known as a hybrid network. Assume that n ordinary wireless no...
XuFei Mao, Xiang-Yang Li, ShaoJie Tang