Sciweavers

FOCS
2004
IEEE
15 years 7 months ago
On the (Im)possibility of Cryptography with Imperfect Randomness
We investigate the feasibility of a variety of cryptographic tasks with imperfect randomness. The kind of imperfect randomness we consider are entropy sources, such as those consi...
Yevgeniy Dodis, Shien Jin Ong, Manoj Prabhakaran, ...
CONCUR
2006
Springer
15 years 7 months ago
A Language for Task Orchestration and Its Semantic Properties
Abstract. Orc is a new language for task orchestration, a form of concurrent programming with applications in workflow, business process management, and web service orchestration. ...
David Kitchin, William R. Cook, Jayadev Misra
FOCS
2004
IEEE
15 years 7 months ago
Assignment Testers: Towards a Combinatorial Proof of the PCP-Theorem
In this work we look back into the proof of the PCP Theorem, with the goal of finding new proofs that are "more combinatorial" and arguably simpler. For that we introduc...
Irit Dinur, Omer Reingold
FOCS
2004
IEEE
15 years 7 months ago
Dynamic Optimality -- Almost
We present an O(lg lg n)-competitive online binary search tree, improving upon the best previous (trivial) competitive ratio of O(lg n). This is the first major progress on Sleator...
Erik D. Demaine, Dion Harmon, John Iacono, Mihai P...
FOCS
2004
IEEE
15 years 7 months ago
Approximating the Stochastic Knapsack Problem: The Benefit of Adaptivity
We consider a stochastic variant of the NP-hard 0/1 knapsack problem in which item values are deterministic and item sizes are independent random variables with known, arbitrary d...
Brian C. Dean, Michel X. Goemans, Jan Vondrá...