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» Enumeration of Context-Free Languages and Related Structures
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JALC
2007
84views more  JALC 2007»
13 years 4 months ago
Enumeration of Context-Free Languages and Related Structures
In this paper, we consider the enumeration of context-free languages. In particular, for any reasonable descriptional complexity measure for context-free grammars, we demonstrate ...
Michael Domaratzki, Alexander Okhotin, Jeffrey Sha...
CPP
2011
107views more  CPP 2011»
12 years 4 months ago
Simple, Functional, Sound and Complete Parsing for All Context-Free Grammars
Parsing text to identify grammatical structure is a common task, especially in relation to programming languages and associated tools such as compilers. Parsers for context-free g...
Tom Ridge
ACL
1989
13 years 6 months ago
The Structure of Shared Forests in Ambiguous Parsing
The Context-Free backbone of some natural language analyzers produces all possible CF parses as some kind of shared forest, from which a single tree is to be chosen by a disambigu...
Sylvie Billot, Bernard Lang
CIE
2009
Springer
13 years 11 months ago
Equivalence Relations on Classes of Computable Structures
Abstract. If L is a finite relational language then all computable Lstructures can be effectively enumerated in a sequence {An}n∈ω in such a way that for every computable L-st...
Ekaterina B. Fokina, Sy-David Friedman
KCAP
2011
ACM
12 years 7 months ago
Eliciting hierarchical structures from enumerative structures for ontology learning
Some discourse structures such as enumerative structures have typographical, punctuational and laying out characteristics which (1) make them easily identifiable and (2) convey hi...
Mouna Kamel, Bernard Rothenburger