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2020 | OriginalPaper | Chapter

Capturing Lexical, Grammatical, and Semantic Information with Vecsigrafo

Authors : Jose Manuel Gomez-Perez, Ronald Denaux, Andres Garcia-Silva

Published in: A Practical Guide to Hybrid Natural Language Processing

Publisher: Springer International Publishing

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Embedding algorithms work by optimizing the distance between a word and its context(s), generating an embedding space that encodes their distributional representation. In addition to single words or word pieces, other features, which result from a deeper analysis of the text, can be used to enrich such representations with additional information. Such features are influenced by the tokenization strategy used to chunk the text and can include not only lexical and part-of-speech information but also annotations about the disambiguated sense of a word according to a structured knowledge graph. In this chapter we analyze the impact that explicitly adding lexical, grammatical and semantic information during the training of Vecsigrafo has in the resulting representations and whether or not this can enhance their downstream performance. To illustrate this analysis we focus on corpora from the scientific domain, where rich, multi-word expressions are frequent, hence requiring advanced tokenization strategies.

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Metadata
Title
Capturing Lexical, Grammatical, and Semantic Information with Vecsigrafo
Authors
Jose Manuel Gomez-Perez
Ronald Denaux
Andres Garcia-Silva
Copyright Year
2020
DOI
https://doi.org/10.1007/978-3-030-44830-1_8

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