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Chapitre D'ouvrage Année : 2022

Bootstrapping a Lexicon of Multiword Adverbs for Brazilian Portuguese

Izabela Meira Grein Müller
Nuno Mamede
Jorge Baptista

Résumé

This paper describes a process for bootstrapping a computational lexicon of multiword adverbs for Brazilian Portuguese (PT-BR) from an already existing lexicon built for the European variety of the language (PT-PT). This ongoing work aims to identify, collect, and provide a syntactical description of multiword adverbs in PT-BR, in order to produce a comprehensive lexicon of multiword adverbs in Portuguese. First, we review existing resources for this part-of-speech, then we describe the method adopted for building this novel resource. Up to the present moment, approximately 700 new PT-BR multiword adverbs have been recorded in the lexicon, totaling nearly 2,300 entries. We assessed this new lexical resource against a sample of 1,000 sentences, taken from a publicly available corpus collected from Brazilian Portuguese journalistic texts. Results are promising, although there is still room for improvement, given that the F-measure only reached a suboptimal 0.66 mark. We estimate that another 2,100 PT-BR adverbs will enter the lexicon, totaling +4,000 multiword adverbs in Portuguese.
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Dates et versions

hal-03790582 , version 1 (28-09-2022)

Identifiants

Citer

Izabela Meira Grein Müller, Nuno Mamede, Jorge Baptista. Bootstrapping a Lexicon of Multiword Adverbs for Brazilian Portuguese. Gloria Corpas Pastor; Ruslan Mitkov. Computational and Corpus-Based Phraseology, 13528, Springer International Publishing, pp.160-174, 2022, Lecture Notes in Computer Science, 978-3-031-15925-1. ⟨10.1007/978-3-031-15925-1_12⟩. ⟨hal-03790582⟩

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