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TCS
2010
14 years 4 months ago
2010
A text is a word together with an additional linear order on it. We study quantitative models for texts, i.e. text series which assign to texts elements of a semiring. We introduc...
DLT
2003
14 years 11 months ago
2003
Past proposals for applying to pictures or 2D languages the generative grammar approach do not match in our opinion the elegance and descriptive adequacy that made Context Free gr...
MFCS
1998
Springer
15 years 1 months ago
1998
Springer
It is known that a language is context-free iff it is the set of borders of the trees of recognizable set, where the border of a (labelled) tree is the word consisting of its leaf ...
IFIP
1994
Springer
15 years 1 months ago
1994
Springer
We consider three notions of factorization arising in different frameworks: factorizing languages, factorization of the natural numbers, factorizing codes. A language X A is call...
ICML
2003
IEEE
15 years 10 months ago
2003
IEEE
We investigate algebraic, logical, and geometric properties of concepts recognized by various classes of probabilistic classifiers. For this we introduce a natural hierarchy of pr...