Abstract
We present Frigram, a French grammar with a large coverage, written in the formalism of Interaction Grammars. The originality of the formalism lies in its system of polarities, which expresses the resource sensitivity of natural languages and which is used to guide syntactic composition.We focus the presentation on the principles of the grammar, its modular architecture, the link with a lexicon independent of the formalism and the companion property, which helps to guarantee the consistency of the whole grammar.
Highlights
Following the seminal work initiated on Categorial Grammars (CG) by Lambek (1958), many other grammatical formalisms were proposed to describe the syntax of natural language
A natural question arises: since XMG can be used for various formalisms, TAG and Interaction Grammars (IG) in particular, is it possible to re-use a grammar constructed in one formalism to build a new grammar in another formalism? The problem is that the organization of a grammar constructed with XMG is very close to the formalism, especially to the operation modeling syntactic composition
Each Elementary PTDs (EPTDs) template from frigramO is associated with a feature structure, called its interface, which describes a syntactic frame corresponding to lexical units able to anchor it
Summary
In IG, the syntax of sentences is modeled using constituency-based parse trees. An example of such a parse tree for the sentence montrezle ! ‘show it!’ is given in Figure 1.1 Parse trees are totally ordered trees. The empty node 〈1.1〉 is an example of an argument which is not syntactically realized (feature [empty_type : arg]). This is the case for infinitival and imperative subjects, as well as for some infinitival objects (tough movement). 1.2.2.1 le cat : pro funct : head the object clitic pronoun le; the link between the pronoun and the extracted position is encoded by feature sharing: both constituents contain the feature [ref : [1]]. This mechanism is used in all cases of extraction, subject inversion, and cliticization of arguments
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