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» On the Random-Self-Reducibility of Complete Sets
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WWW
2003
ACM
16 years 7 months ago
Efficient URL caching for world wide web crawling
Crawling the web is deceptively simple: the basic algorithm is (a) Fetch a page (b) Parse it to extract all linked URLs (c) For all the URLs not seen before, repeat (a)?(c). Howev...
Andrei Z. Broder, Marc Najork, Janet L. Wiener
STOC
2007
ACM
134views Algorithms» more  STOC 2007»
16 years 6 months ago
Hardness of routing with congestion in directed graphs
Given as input a directed graph on N vertices and a set of source-destination pairs, we study the problem of routing the maximum possible number of source-destination pairs on pat...
Julia Chuzhoy, Venkatesan Guruswami, Sanjeev Khann...
STOC
2006
ACM
108views Algorithms» more  STOC 2006»
16 years 6 months ago
Gowers uniformity, influence of variables, and PCPs
Gowers [Gow98, Gow01] introduced, for d 1, the notion of dimension-d uniformity Ud (f) of a function f : G C, where G is a finite abelian group. Roughly speaking, if a function ...
Alex Samorodnitsky, Luca Trevisan
STOC
2005
ACM
147views Algorithms» more  STOC 2005»
16 years 6 months ago
Simulating independence: new constructions of condensers, ramsey graphs, dispersers, and extractors
We present new explicit constructions of deterministic randomness extractors, dispersers and related objects. We say that a distribution X on binary strings of length n is a -sour...
Boaz Barak, Guy Kindler, Ronen Shaltiel, Benny Sud...
IFM
2007
Springer
129views Formal Methods» more  IFM 2007»
16 years 17 days ago
Slotted-Circus
Material Flow Abstraction of Manufacturing Systems. ‣Umberto Costa, Ivan de Medeiros Jr and Marcel Oliveira. Specification and Verification of a MPI Implementation for a MP-SoC...
Andrew Butterfield, Adnan Sherif, Jim Woodcock