65 search results - page 9 / 13 » Some Results on Top-Context-Free Tree Languages |
ICALP
2010
Springer
14 years 4 days ago
2010
Springer
Universal Coalgebra provides the notion of a coalgebra as the natural mathematical generalization of state-based evolving systems such as (infinite) words, trees, and transition s...
ML
2011
ACM
13 years 1 months ago
2011
ACM
Abstract. Type Extension Trees (TET) have been recently introduced as an expressive representation language allowing to encode complex combinatorial features of relational entities...
COCOON
2006
Springer
13 years 11 months ago
2006
Springer
In a recent article, Nakhleh, Ringe and Warnow introduced perfect phylogenetic networks--a model of language evolution where languages do not evolve via clean speciation--and form...
TCS
2010
13 years 5 months ago
2010
Horn⊃ is a logic programming language which extends usual Horn clauses by adding intuitionistic implication in goals and clause bodies. This extension can be seen as a form of s...
PODS
2007
ACM
14 years 7 months ago
2007
ACM
Bounded treewidth and Monadic Second Order (MSO) logic have proved to be key concepts in establishing fixed-parameter tractability results. Indeed, by Courcelle's Theorem we ...