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WWW
2011
ACM
13 years 2 months ago
Inverted index compression via online document routing
Modern search engines are expected to make documents searchable shortly after they appear on the ever changing Web. To satisfy this requirement, the Web is frequently crawled. Due...
Gal Lavee, Ronny Lempel, Edo Liberty, Oren Somekh
CRYPTO
2011
Springer
243views Cryptology» more  CRYPTO 2011»
12 years 7 months ago
Memory Delegation
We consider the problem of delegating computation, where the delegator doesn’t even know the input to the function being delegated, and runs in time significantly smaller than ...
Kai-Min Chung, Yael Tauman Kalai, Feng-Hao Liu, Ra...
PPOPP
2012
ACM
12 years 3 months ago
Deterministic parallel random-number generation for dynamic-multithreading platforms
Existing concurrency platforms for dynamic multithreading do not provide repeatable parallel random-number generators. This paper proposes that a mechanism called pedigrees be bui...
Charles E. Leiserson, Tao B. Schardl, Jim Sukha
PODS
2012
ACM
281views Database» more  PODS 2012»
11 years 10 months ago
Mergeable summaries
We study the mergeability of data summaries. Informally speaking, mergeability requires that, given two summaries on two data sets, there is a way to merge the two summaries into ...
Pankaj K. Agarwal, Graham Cormode, Zengfeng Huang,...
STOC
2005
ACM
147views Algorithms» more  STOC 2005»
14 years 8 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...