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DCC
2007
IEEE
15 years 9 months ago
Simple Linear-Time Off-Line Text Compression by Longest-First Substitution
We consider grammar based text compression with longest first substitution, where non-overlapping occurrences of a longest repeating substring of the input text are replaced by a ...
Ryosuke Nakamura, Hideo Bannai, Shunsuke Inenaga, ...
ISNN
2005
Springer
15 years 3 months ago
One-Bit-Matching ICA Theorem, Convex-Concave Programming, and Combinatorial Optimization
Recently, a mathematical proof is obtained in (Liu, Chiu, Xu, 2004) on the so called one-bit-matching conjecture that all the sources can be separated as long as there is an one-to...
Lei Xu
GECCO
2004
Springer
132views Optimization» more  GECCO 2004»
15 years 3 months ago
Grammatical Swarm
Abstract. This proof of concept study examines the possibility of specifying the construction of programs using a Particle Swarm algorithm, and represents a new form of automatic p...
Michael O'Neill, Anthony Brabazon
AAAI
2004
14 years 11 months ago
Collapsibility and Consistency in Quantified Constraint Satisfaction
The concept of consistency has pervaded studies of the constraint satisfaction problem. We introduce two concepts, which are inspired by consistency, for the more general framewor...
Hubie Chen
STOC
2006
ACM
138views Algorithms» more  STOC 2006»
15 years 10 months ago
The PCP theorem by gap amplification
The PCP theorem [3, 2] says that every language in NP has a witness format that can be checked probabilistically by reading only a constant number of bits from the proof. The cele...
Irit Dinur