[hal-01118860] Choosing features for classifying multiword expressions

A major requirement for a classification of multiword expressions (MWEs) is that it be explicitly based on features of the MWEs. Designing a satisfactory classification involves choosing such features. Accordingly, the resulting classification may be more or less fruitful for computational use. We show the benefits of intensive description of the lexicon. It is costly, but not unfeasible: lexicon-grammars of MWEs with representation of individual features have been published as early as 1974 for support-verb constructions in French, and 1985 for verbal idioms in English, and some are used in parsing now.



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