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» On the Chromatic Number of Random Graphs
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COMAD
2009
15 years 29 days ago
Graph Clustering for Keyword Search
Keyword search on data represented as graphs, is receiving lot of attention in recent years. Initial versions of keyword search systems assumed that the graph is memory resident. ...
Rose Catherine K., S. Sudarshan
CMOT
2004
141views more  CMOT 2004»
14 years 11 months ago
Small Worlds Among Interlocking Directors: Network Structure and Distance in Bipartite Graphs
We describe a methodology to examine bipartite relational data structures as exemplified in networks of corporate interlocking. These structures can be represented as bipartite gr...
Garry Robins, Malcolm Alexander
MFCS
2007
Springer
15 years 6 months ago
Well Supported Approximate Equilibria in Bimatrix Games: A Graph Theoretic Approach
Abstract. We study the existence and tractability of a notion of approximate equilibria in bimatrix games, called well supported approximate Nash Equilibria (SuppNE in short). We p...
Spyros C. Kontogiannis, Paul G. Spirakis
ICALP
2004
Springer
15 years 5 months ago
Simple Permutations Mix Well
We study the random composition of a small family of O(n3 ) simple permutations on {0, 1}n . Specifically we ask what is the number of compositions needed to achieve a permutatio...
Shlomo Hoory, Avner Magen, Steven Myers, Charles R...
CORR
2011
Springer
205views Education» more  CORR 2011»
14 years 3 months ago
Algorithms for Implicit Hitting Set Problems
A hitting set for a collection of sets is a set that has a nonempty intersection with each set in the collection; the hitting set problem is to find a hitting set of minimum card...
Karthekeyan Chandrasekaran, Richard Karp, Erick Mo...