2252 search results - page 191 / 451 » Regular expression patterns |
189
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CAAP
1994
15 years 7 months ago
1994
Top-context-free tree languages (called cor gulier by Arnold and Dauchet 1, 2]) constitute a natural subclass of context-free tree languages. In this paper, we give further evidenc...
179
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CVPR
2008
IEEE
15 years 4 months ago
2008
IEEE
Learning a robust projection with a small number of training samples is still a challenging problem in face recognition, especially when the unseen faces have extreme variation in...
134
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ENTCS
2008
15 years 4 months ago
2008
The graph rewriting calculus is an extension of the -calculus, handling graph like structures rather than simple terms. The calculus over terms is naturally generalized by using u...
IANDC
2002
15 years 3 months ago
2002
We show that the following problem is decidable: given expressions E1 and E2 constructed from variables by the regular operations and shuffle, is the identity E1 = E2 true for all...
118
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FSTTCS
2010
Springer
15 years 2 months ago
2010
Springer
In this paper, we address the verification problem of ordered multi-pushdown systems: A multistack extension of pushdown systems that comes with a constraint on stack operations s...