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ICTAC
2007
Springer
15 years 8 months ago
On the Expressive Power of QLTL
LTL cannot express the whole class of ω-regular languages and several extensions have been proposed. Among them, Quantified propositional Linear Temporal Logic (QLTL), proposed b...
Zhilin Wu
IJAC
2007
99views more  IJAC 2007»
15 years 2 months ago
Normalized Expressions and Finite Automata
There exist two well-known quotients of the position automaton of a regular expression. The first one, called the equation automaton, has first been introduced by Mirkin from th...
Jean-Marc Champarnaud, Faissal Ouardi, Djelloul Zi...
95
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VLDB
1989
ACM
97views Database» more  VLDB 1989»
15 years 6 months ago
Finding Regular Simple Paths in Graph Databases
We consider the following problem: given a labelled directedgraphG anda regularexpressionR, find all pairs of nodesconnectedby a simplepathsuchthattheconcatenationof thelabelsalon...
Alberto O. Mendelzon, Peter T. Wood
FCT
2001
Springer
15 years 6 months ago
Prediction-Preserving Reducibility with Membership Queries on Formal Languages
This paper presents the prediction-preserving reducibility with membership queries (pwm-reducibility) on formal languages, in particular, simple CFGs and finite unions of regular ...
Kouichi Hirata, Hiroshi Sakamoto
110
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ICONIP
2004
15 years 3 months ago
Morozov, Ivanov and Tikhonov Regularization Based LS-SVMs
This paper contrasts three related regularization schemes for kernel machines using a least squares criterion, namely Tikhonov and Ivanov regularization and Morozov's discrepa...
Kristiaan Pelckmans, Johan A. K. Suykens, Bart De ...