Semantics-aware Attention Improves Neural Machine Translation

Aviv Slobodkin; Leshem Choshen; Omri Abend

doi:10.18653/v1/2022.starsem-1.3

Semantics-aware Attention Improves Neural Machine Translation

Aviv Slobodkin
, Leshem Choshen
, Omri Abend

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

7 Scopus citations

Abstract

The integration of syntactic structures into Transformer machine translation has shown positive results, but to our knowledge, no work has attempted to do so with semantic structures. In this work we propose two novel parameter-free methods for injecting semantic information into Transformers, both rely on semantics-aware masking of (some of) the attention heads. One such method operates on the encoder, through a Scene-Aware Self-Attention (SASA) head. Another on the decoder, through a Scene-Aware Cross-Attention (SACrA) head. We show a consistent improvement over the vanilla Transformer and syntax-aware models for four language pairs. We further show an additional gain when using both semantic and syntactic structures in some language pairs.

Original language	English
Title of host publication	*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference
Editors	Vivi Nastase, Ellie Pavlick, Mohammad Taher Pilehvar, Jose Camacho-Collados, Alessandro Raganato
Publisher	Association for Computational Linguistics (ACL)
Pages	28-43
Number of pages	16
ISBN (Electronic)	9781955917988
DOIs	https://doi.org/10.18653/v1/2022.starsem-1.3
State	Published - 2022
Event	11th Joint Conference on Lexical and Computational Semantics, StarSEM 2022 - Hybrid, Seattle, United States Duration: 14 Jul 2022 → 15 Jul 2022

Publication series

Name	*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference

Conference

Conference	11th Joint Conference on Lexical and Computational Semantics, StarSEM 2022
Country/Territory	United States
City	Hybrid, Seattle
Period	14/07/22 → 15/07/22

Bibliographical note

Publisher Copyright:
© 2022 Association for Computational Linguistics.

Access to Document

10.18653/v1/2022.starsem-1.3

Cite this

Slobodkin, A., Choshen, L., & Abend, O. (2022). Semantics-aware Attention Improves Neural Machine Translation. In V. Nastase, E. Pavlick, M. T. Pilehvar, J. Camacho-Collados, & A. Raganato (Eds.), *SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference (pp. 28-43). (*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference). Association for Computational Linguistics (ACL). https://doi.org/10.18653/v1/2022.starsem-1.3

Slobodkin, Aviv ; Choshen, Leshem ; Abend, Omri. / Semantics-aware Attention Improves Neural Machine Translation. *SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference. editor / Vivi Nastase ; Ellie Pavlick ; Mohammad Taher Pilehvar ; Jose Camacho-Collados ; Alessandro Raganato. Association for Computational Linguistics (ACL), 2022. pp. 28-43 (*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference).

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title = "Semantics-aware Attention Improves Neural Machine Translation",

abstract = "The integration of syntactic structures into Transformer machine translation has shown positive results, but to our knowledge, no work has attempted to do so with semantic structures. In this work we propose two novel parameter-free methods for injecting semantic information into Transformers, both rely on semantics-aware masking of (some of) the attention heads. One such method operates on the encoder, through a Scene-Aware Self-Attention (SASA) head. Another on the decoder, through a Scene-Aware Cross-Attention (SACrA) head. We show a consistent improvement over the vanilla Transformer and syntax-aware models for four language pairs. We further show an additional gain when using both semantic and syntactic structures in some language pairs.",

author = "Aviv Slobodkin and Leshem Choshen and Omri Abend",

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year = "2022",

doi = "10.18653/v1/2022.starsem-1.3",

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series = "*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference",

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Slobodkin, A, Choshen, L & Abend, O 2022, Semantics-aware Attention Improves Neural Machine Translation. in V Nastase, E Pavlick, MT Pilehvar, J Camacho-Collados & A Raganato (eds), *SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference. *SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference, Association for Computational Linguistics (ACL), pp. 28-43, 11th Joint Conference on Lexical and Computational Semantics, StarSEM 2022, Hybrid, Seattle, United States, 14/07/22. https://doi.org/10.18653/v1/2022.starsem-1.3

Semantics-aware Attention Improves Neural Machine Translation. / Slobodkin, Aviv; Choshen, Leshem; Abend, Omri.
*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference. ed. / Vivi Nastase; Ellie Pavlick; Mohammad Taher Pilehvar; Jose Camacho-Collados; Alessandro Raganato. Association for Computational Linguistics (ACL), 2022. p. 28-43 (*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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Slobodkin A, Choshen L, Abend O. Semantics-aware Attention Improves Neural Machine Translation. In Nastase V, Pavlick E, Pilehvar MT, Camacho-Collados J, Raganato A, editors, *SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference. Association for Computational Linguistics (ACL). 2022. p. 28-43. (*SEM 2022 - 11th Joint Conference on Lexical and Computational Semantics, Proceedings of the Conference). doi: 10.18653/v1/2022.starsem-1.3

Semantics-aware Attention Improves Neural Machine Translation

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