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2018 | OriginalPaper | Buchkapitel

Tuning SyntaxNet for POS Tagging Italian Sentences

verfasst von : Fiammetta Marulli, Marco Pota, Massimo Esposito, Alessandro Maisto, Raffaele Guarasci

Erschienen in: Advances on P2P, Parallel, Grid, Cloud and Internet Computing

Verlag: Springer International Publishing

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Abstract

Part-of-speech (POS) tagging is a Natural Language Processing (NLP) technique extremely relevant in Question Answering systems and becomes more complex when these systems operate on spoken language. For the use case of Italian spoken language, here considered, enclitic forms are very difficult to be tagged, since they consist of one or more pronouns appended as suffixes to verbs. This work describes a case study aiming at investigating how to refine SyntaxNet, the NLP framework released by Google, to efficiently tag enclitic forms in Italian. In particular, first, a forward selection of different features is presented, aimed to assess their influence on POS tagging performance of SyntaxNet in Italian. Second, further features are added, as suggested by morphological rules characterizing Italian enclitics, in order to improve POS tagging performance. Finally, a qualitative and quantitative evaluation with respect to sentences coming from real spoken dialogs is performed, showing very promising results.

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Vorheriges Kapitel Query Expansion Based on WordNet and Word2vec for Italian Question Answering Systems

Nächstes Kapitel ECT: A Novel Architecture for Evidence Collection in Forensic Investigation

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Titel: Tuning SyntaxNet for POS Tagging Italian Sentences
verfasst von: Fiammetta Marulli
Marco Pota
Massimo Esposito
Alessandro Maisto
Raffaele Guarasci
Verlag: Springer International Publishing
Buch: Advances on P2P, Parallel, Grid, Cloud and Internet Computing
Print ISBN: 978-3-319-69834-2

Electronic ISBN: 978-3-319-69835-9

Copyright-Jahr: 2018
DOI: https://doi.org/10.1007/978-3-319-69835-9_30

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