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SIAMDM
2010
131views more  SIAMDM 2010»
13 years 3 months ago
On Optimal Strategies for a Hat Game on Graphs
The following problem was introduced by Marcin Krzywkowski as a generalization of a problem of Todd Ebert. After initially coordinating a strategy, n players each occupy a differe...
Uriel Feige
DBSEC
2008
152views Database» more  DBSEC 2008»
13 years 9 months ago
An Attack Graph-Based Probabilistic Security Metric
To protect critical resources in today’s networked environments, it is desirable to quantify the likelihood of potential multi-step attacks that combine multiple vulnerabilities....
Lingyu Wang, Tania Islam, Tao Long, Anoop Singhal,...
SARA
2009
Springer
14 years 3 months ago
Efficient SAT Techniques for Absolute Encoding of Permutation Problems: Application to Hamiltonian Cycles
We study novel approaches for solving of hard combinatorial problems by translation to Boolean Satisfiability (SAT). Our focus is on combinatorial problems that can be represented...
Miroslav N. Velev, Ping Gao 0002
KDD
2007
ACM
244views Data Mining» more  KDD 2007»
14 years 9 months ago
A Recommender System Based on Local Random Walks and Spectral Methods
In this paper, we design recommender systems for weblogs based on the link structure among them. We propose algorithms based on refined random walks and spectral methods. First, w...
Zeinab Abbassi, Vahab S. Mirrokni
SODA
2008
ACM
96views Algorithms» more  SODA 2008»
13 years 10 months ago
Unconditionally reliable message transmission in directed networks
In the unconditionally reliable message transmission (URMT) problem, two non-faulty players, the sender S and the receiver R are part of a synchronous network modeled as a directe...
Bhavani Shankar, Prasant Gopal, Kannan Srinathan, ...