214 search results - page 28 / 43 » Note on Sparse Random Graphs and Cover Graphs |
DC
2011
12 years 7 months ago
2011
Abstract This paper gives poly-logarithmic-round, distributed δ-approximation algorithms for covering problems with submodular cost and monotone covering constraints (Submodular-c...
STOC
1998
ACM
14 years 2 days ago
1998
ACM
In [6], Gallager introduces a family of codes based on sparse bipartite graphs, which he calls low-density parity-check codes. He suggests a natural decoding algorithm for these c...
TCC
2007
Springer
14 years 1 months ago
2007
Springer
Private approximation of search problems deals with finding approximate solutions to search problems while disclosing as little information as possible. The focus of this work is ...
FOCS
2008
IEEE
14 years 2 months ago
2008
IEEE
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
ASUNAM
2010
IEEE
13 years 9 months ago
2010
IEEE
Abstract--We present a novel and efficient algorithm, PATH COVERING, for solving the most reliable subgraph problem. A reliable subgraph gives a concise summary of the connectivity...