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    <abstract>We define a mapping from transition-based parsing algorithms that read sentences from left to right to sequence labeling encodings of syntactic trees. This not only establishes a theoretical relation between transition-based parsing and sequence-labeling parsing, but also provides a method to obtain new encodings for fast and simple sequence labeling parsing from the many existing transition-based parsers for different formalisms. Applying it to dependency parsing, we implement sequence labeling versions of four algorithms, showing that they are learnable and obtain comparable performance to existing encodings.</abstract>
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%0 Conference Proceedings
%T A Unifying Theory of Transition-based and Sequence Labeling Parsing
%A Gómez-Rodríguez, Carlos
%A Strzyz, Michalina
%A Vilares, David
%Y Scott, Donia
%Y Bel, Nuria
%Y Zong, Chengqing
%S Proceedings of the 28th International Conference on Computational Linguistics
%D 2020
%8 December
%I International Committee on Computational Linguistics
%C Barcelona, Spain (Online)
%F gomez-rodriguez-etal-2020-unifying
%X We define a mapping from transition-based parsing algorithms that read sentences from left to right to sequence labeling encodings of syntactic trees. This not only establishes a theoretical relation between transition-based parsing and sequence-labeling parsing, but also provides a method to obtain new encodings for fast and simple sequence labeling parsing from the many existing transition-based parsers for different formalisms. Applying it to dependency parsing, we implement sequence labeling versions of four algorithms, showing that they are learnable and obtain comparable performance to existing encodings.
%R 10.18653/v1/2020.coling-main.336
%U https://aclanthology.org/2020.coling-main.336
%U https://doi.org/10.18653/v1/2020.coling-main.336
%P 3776-3793

Markdown (Informal)

[A Unifying Theory of Transition-based and Sequence Labeling Parsing](https://aclanthology.org/2020.coling-main.336) (Gómez-Rodríguez et al., COLING 2020)

• A Unifying Theory of Transition-based and Sequence Labeling Parsing (Gómez-Rodríguez et al., COLING 2020)

ACL

• Carlos Gómez-Rodríguez, Michalina Strzyz, and David Vilares. 2020. A Unifying Theory of Transition-based and Sequence Labeling Parsing. In Proceedings of the 28th International Conference on Computational Linguistics, pages 3776–3793, Barcelona, Spain (Online). International Committee on Computational Linguistics.