Parsing Universal Dependencies without training

Hector Martinez Alonso, Zeljko Agic, Barbara Plank, Anders Søgaard

7 Citations (Scopus)

Abstract

We propose UDP, the first training-free parser for Universal Dependencies (UD). Our algorithm is based on PageRank and a small set of head attachment rules. It features two-step decoding to guarantee that function words are attached as leaf nodes. The parser requires no training, and it is competitive with a delexicalized transfer system. UDP offers a linguistically sound unsupervised alternative to cross-lingual parsing for UD, which can be used as a baseline for such systems. The parser has very few parameters and is distinctly robust to domain change across languages.

Original languageEnglish
Title of host publicationProceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics : long papers
Number of pages11
Volume1
PublisherAssociation for Computational Linguistics
Publication date2017
Pages230-240
ISBN (Electronic) 978-1-945626-34-0
Publication statusPublished - 2017
Event15th Conference of the European Chapter of the Association for Computational Linguistics - Valencia, Spain
Duration: 3 Apr 20177 Apr 2017
Conference number: 15

Conference

Conference15th Conference of the European Chapter of the Association for Computational Linguistics
Number15
Country/TerritorySpain
CityValencia
Period03/04/201707/04/2017

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