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87 - Extracting valences from a dependency treebank for populating the verb lexicon of a Portuguese HPSG grammar ...
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Abstract:
Read full paper: https://link.springer.com/chapter/10.1007/978-3-030-98305-5_34 Abstract: We propose a methodology to populate the verb type hierarchy of a deep computational grammar in the HPSG formalism using syntactic and morphological information from Universal Dependencies (UD) treebanks. It is exemplified by means of the UD Bosque corpus and PorGram, a computational grammar for Portuguese constructed in the LinGO Grammar Matrix framework, but it can be applied to analogous grammars of other languages using other UD treebanks. The main component of the methodology is a Python module that extracts from the annotated sentences the core arguments and other features that are relevant to determine verb valence. This module enables the creation of a Python dictionary that maps valence frames to verb objects. This dictionary facilitates not only determining which frames occur with which verbs, but also detecting annotation errors. The potential of the module for rapid expansion of the lexical coverage of ...
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URL: https://underline.io/lecture/47993-87---extracting-valences-from-a-dependency-treebank-for-populating-the-verb-lexicon-of-a-portuguese-hpsg-grammar
https://dx.doi.org/10.48448/qcdk-t968
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Lexikalisch-funktionale Grammatik : eine Einführung am Beispiel des Französischen mit computerlinguistischer Implementierung
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IDS Mannheim
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