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ADCM
2008
111views more  ADCM 2008»
13 years 8 months ago
Sigma-delta quantization errors and the traveling salesman problem
In transmission, storaging and coding of digital signals we frequently perform A/D conversion using quantization. In this paper we study the maxiaml and mean square errors as a res...
Yang Wang
STOC
2004
ACM
94views Algorithms» more  STOC 2004»
14 years 8 months ago
Sublinear algorithms for testing monotone and unimodal distributions
The complexity of testing properties of monotone and unimodal distributions, when given access only to samples of the distribution, is investigated. Two kinds of sublineartime alg...
Tugkan Batu, Ravi Kumar, Ronitt Rubinfeld
FUN
2010
Springer
263views Algorithms» more  FUN 2010»
14 years 18 days ago
Fighting Censorship with Algorithms
In countries such as China or Iran where Internet censorship is prevalent, users usually rely on proxies or anonymizers to freely access the web. The obvious difficulty with this a...
Mohammad Mahdian
ICALP
2004
Springer
14 years 1 months ago
The Black-Box Complexity of Nearest Neighbor Search
We define a natural notion of efficiency for approximate nearest-neighbor (ANN) search in general n-point metric spaces, namely the existence of a randomized algorithm which answ...
Robert Krauthgamer, James R. Lee
ICAPR
2005
Springer
14 years 1 months ago
Symmetric Hash Functions for Fingerprint Minutiae
Abstract. The possibility that a database with biometric data is compromised is one of the main concerns in implementing biometric identification systems. In this paper we present...
Sergey Tulyakov, Faisal Farooq, Venu Govindaraju