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Communication Dans Un Congrès Année : 2015

Syntactic Polygraphs. A Formalism Extending Both Constituency and Dependency

Sylvain Kahane

Résumé

Syntactic analyses describe grouping operations that explain how words are combined to form utterances. The nature of these operations depends on the approach. In a constituency-based approach, grouping operations are ordered, or stratified, part-whole relations. In a dependency-based approach, grouping operations identify a governor (or head), i.e. they are directed hierarchical relations between words. It is possible to convert a constituency tree into a dependency tree by dereifying the nodes, by identifying the governor and by removing the stratification of the part-whole relations. Polygraphs combine the two types of information into a single structure and are therefore a more powerful formalism. By relaxing constraints, polygraphs also allow to underspecify both kinds of information.
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Dates et versions

halshs-01194839 , version 1 (07-09-2015)

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Sylvain Kahane, Nicolas Mazziotta. Syntactic Polygraphs. A Formalism Extending Both Constituency and Dependency. Mathematics of Language, Jul 2015, Chicago, United States. ⟨10.3115/v1/W15-2313⟩. ⟨halshs-01194839⟩
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