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STOC
2004
ACM
110views Algorithms» more  STOC 2004»
14 years 11 months ago
On sums of independent random variables with unbounded variance, and estimating the average degree in a graph
We prove the following inequality: for every positive integer n and every collection X1, . . . , Xn of nonnegative independent random variables that each has expectation 1, the pr...
Uriel Feige
FOCS
1993
IEEE
14 years 3 months ago
On Bounded Queries and Approximation
This paper investigates the computational complexity of approximating several NPoptimization problems using the number of queries to an NP oracle as a complexity measure. The resu...
Richard Chang, William I. Gasarch
ICDCS
2009
IEEE
14 years 8 months ago
Optimizing File Retrieval in Delay-Tolerant Content Distribution Community
In WiFi-based content distribution community infrastructure (CDCI), file servers are deployed in diverse locations around cities, caching popular files interesting to a communit...
Ying Huang, Yan Gao, Klara Nahrstedt, Wenbo He
FOCS
2008
IEEE
14 years 5 months ago
Hardness of Minimizing and Learning DNF Expressions
We study the problem of finding the minimum size DNF formula for a function f : {0, 1}d → {0, 1} given its truth table. We show that unless NP ⊆ DTIME(npoly(log n) ), there i...
Subhash Khot, Rishi Saket
ESORICS
2004
Springer
14 years 4 months ago
ARCHERR: Runtime Environment Driven Program Safety
Parameters of a program’s runtime environment such as the machine architecture and operating system largely determine whether a vulnerability can be exploited. For example, the m...
Ramkumar Chinchani, Anusha Iyer, Bharat Jayaraman,...