Sciweavers

524 search results - page 95 / 105
» ets 2010
Sort
View
STOC
2010
ACM
195views Algorithms» more  STOC 2010»
15 years 1 months ago
Efficiently Learning Mixtures of Two Gaussians
Given data drawn from a mixture of multivariate Gaussians, a basic problem is to accurately estimate the mixture parameters. We provide a polynomial-time algorithm for this proble...
Adam Tauman Kalai, Ankur Moitra, and Gregory Valia...
ICDT
2010
ACM
180views Database» more  ICDT 2010»
15 years 1 months ago
Composing local-as-view mappings: closure and applications
Schema mapping composition is a fundamental operation in schema management and data exchange. The mapping composition problem has been extensively studied for a number of mapping ...
Patricia C. Arocena, Ariel Fuxman, Renée J....
ICDCS
2010
IEEE
15 years 1 months ago
Existence Theorems and Approximation Algorithms for Generalized Network Security Games
—Aspnes et al [2] introduced an innovative game for modeling the containment of the spread of viruses and worms (security breaches) in a network. In this model, nodes choose to i...
V. S. Anil Kumar, Rajmohan Rajaraman, Zhifeng Sun,...
FC
2010
Springer
169views Cryptology» more  FC 2010»
15 years 24 days ago
A Formal Approach for Automated Reasoning about Off-Line and Undetectable On-Line Guessing
Abstract. Starting from algebraic properties that enable guessing lowentropy secrets, we formalize guessing rules for symbolic verification. The rules are suited for both off-line ...
Bogdan Groza, Marius Minea
AIPS
2010
14 years 11 months ago
When Policies Can Be Trusted: Analyzing a Criteria to Identify Optimal Policies in MDPs with Unknown Model Parameters
Computing a good policy in stochastic uncertain environments with unknown dynamics and reward model parameters is a challenging task. In a number of domains, ranging from space ro...
Emma Brunskill