327 search results - page 21 / 66 » On the structure of the Medvedev lattice |
114
Voted
EJC
2008
15 years 21 days ago
2008
We introduce a notion of Dyck paths with coloured ascents. For several ways of colouring, when the set of colours is itself some class of lattice paths, we establish bijections be...
99
Voted
JDA
2006
15 years 18 days ago
2006
We produce an algorithm that is optimal with respect to both space and execution time to generate all the lozenge (or domino) tilings of a hole-free, general-shape domain given as...
102
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ICCS
1998
Springer
15 years 4 months ago
1998
Springer
Internet-based information technologies have considerable potential for improving collaboration in professional communities. In this paper, we explain the concept of user-driven sp...
102
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ACL
2004
15 years 2 months ago
2004
We present the first application of the head-driven statistical parsing model of Collins (1999) as a simultaneous language model and parser for largevocabulary speech recognition....
79
Voted
ICCV
2007
IEEE
16 years 2 months ago
2007
IEEE
Most recent class-level object recognition systems work with visual words, i.e., vector quantized local descriptors. In this paper we examine the feasibility of a dataindependent ...