Dependency grammar
By Wikipedia,
the free encyclopedia,
http://en.wikipedia.org/wiki/Dependency_grammar
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Dependency grammar (DG) is a class of syntactic
theories developed by Lucien
Tesnière. It is distinct from phrase
structure grammars, as it lacks phrasal nodes. Structure
is determined by the relation between a word (a head)
and its dependents. Dependency grammars are not defined
by a specific word order, and are thus well suited to
languages with freer word order, such as Czech.
Algebraic
syntax and Extensible
Dependency Grammar are types of dependency grammar.
Link
grammar is similar to dependency grammar, but link
grammar includes directionality in the relations between
words, as well as lacking a head-dependent relationship.
Operator
Grammar differs from other dependency grammars in
that it is also a theory of semantics
(information).
This theory posits a large collection of reductions (small
transformations)
that map dependency structures into compact, variant forms.
It also reverses the direction of dependency, by having
operators
(e.g. verbs) depend on their arguments.
External links
Source: http://en.wikipedia.org/wiki/Dependency_grammar
Published - December 2008
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