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ASIACRYPT
2009
Springer
15 years 4 months ago
Fiat-Shamir with Aborts: Applications to Lattice and Factoring-Based Signatures
We demonstrate how the framework that is used for creating efficient number-theoretic ID and signature schemes can be transferred into the setting of lattices. This results in cons...
Vadim Lyubashevsky
ICC
2008
IEEE
114views Communications» more  ICC 2008»
15 years 4 months ago
Iterative DA/DD Channel Estimation for KSP-OFDM
—In this paper, we propose an iterative joint DA/DD channel estimation algorithm for known symbol padding (KSP) OFDM. The pilot symbols used to estimate the channel are not only ...
Dieter Van Welden, Heidi Steendam, Marc Moeneclaey
FOCS
2005
IEEE
15 years 3 months ago
The Closest Substring problem with small distances
In the CLOSEST SUBSTRING problem k strings s1, ..., sk are given, and the task is to find a string s of length L such that each string si has a consecutive substring of length L ...
Dániel Marx
WWW
2008
ACM
15 years 10 months ago
Externalities in online advertising
Most models for online advertising assume that an advertiser's value from winning an ad auction, which depends on the clickthrough rate or conversion rate of the advertisemen...
Arpita Ghosh, Mohammad Mahdian
PODS
2009
ACM
100views Database» more  PODS 2009»
15 years 10 months ago
Space-optimal heavy hitters with strong error bounds
The problem of finding heavy hitters and approximating the frequencies of items is at the heart of many problems in data stream analysis. It has been observed that several propose...
Radu Berinde, Graham Cormode, Piotr Indyk, Martin ...