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ECCC
2007
122views more  ECCC 2007»
13 years 8 months ago
Infeasibility of Instance Compression and Succinct PCPs for NP
The OR-SAT problem asks, given Boolean formulae φ1, . . . , φm each of size at most n, whether at least one of the φi’s is satisfiable. We show that there is no reduction fr...
Lance Fortnow, Rahul Santhanam
ML
2008
ACM
101views Machine Learning» more  ML 2008»
13 years 8 months ago
On reoptimizing multi-class classifiers
Significant changes in the instance distribution or associated cost function of a learning problem require one to reoptimize a previously-learned classifier to work under new cond...
Chris Bourke, Kun Deng, Stephen D. Scott, Robert E...
NLE
2008
109views more  NLE 2008»
13 years 8 months ago
Natural language processing in CLIME, a multilingual legal advisory system
This paper describes clime, a web-based legal advisory system with a multilingual natural language interface. clime is a `proof-of-concept' system which answers queries relat...
Roger Evans, Paul Piwek, Lynne J. Cahill, Neil Tip...
PAMI
2006
186views more  PAMI 2006»
13 years 8 months ago
Performance Evaluation of Fingerprint Verification Systems
This paper is concerned with the performance evaluation of fingerprint verification systems. After an initial classification of biometric testing initiatives, we explore both the t...
Raffaele Cappelli, Dario Maio, Davide Maltoni, Jam...
SIAMCOMP
2008
107views more  SIAMCOMP 2008»
13 years 8 months ago
Holographic Algorithms
Leslie Valiant recently proposed a theory of holographic algorithms. These novel algorithms achieve exponential speed-ups for certain computational problems compared to naive algo...
Leslie G. Valiant