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» Extractors for Three Uneven-Length Sources
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APPROX
2008
Springer
111views Algorithms» more  APPROX 2008»
13 years 6 months ago
Extractors for Three Uneven-Length Sources
Abstract. We construct an efficient 3-source extractor that requires one of the sources to be significantly shorter than the min-entropy of the other two sources. Our extractors wo...
Anup Rao, David Zuckerman
STOC
2005
ACM
147views Algorithms» more  STOC 2005»
14 years 5 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...
STOC
2003
ACM
124views Algorithms» more  STOC 2003»
14 years 5 months ago
Extractors: optimal up to constant factors
This paper provides the first explicit construction of extractors which are simultaneously optimal up to constant factors in both seed length and output length. More precisely, fo...
Chi-Jen Lu, Omer Reingold, Salil P. Vadhan, Avi Wi...
SIGMOD
2008
ACM
159views Database» more  SIGMOD 2008»
14 years 5 months ago
Web-scale extraction of structured data
A long-standing goal of Web research has been to construct a unified Web knowledge base. Information extraction techniques have shown good results on Web inputs, but even most dom...
Michael J. Cafarella, Jayant Madhavan, Alon Y. Hal...
IJWET
2010
104views more  IJWET 2010»
13 years 3 months ago
Configurable meta-search in the job domain
: To aid job seekers searching for job vacancies, we have developed a new configurable meta-search engine for the human resources domain. In this paper we describe the three main c...
Tabbasum Naz, Jürgen Dorn, Alexandra Poulovas...