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Main Authors: Hu, Jia Cheng, Cavicchioli, Roberto, Berardinelli, Giulia, Capotondi, Alessandro
Format: Preprint
Published: 2023
Subjects:
Online Access:https://arxiv.org/abs/2312.15872
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author Hu, Jia Cheng
Cavicchioli, Roberto
Berardinelli, Giulia
Capotondi, Alessandro
author_facet Hu, Jia Cheng
Cavicchioli, Roberto
Berardinelli, Giulia
Capotondi, Alessandro
contents Although the Transformer is currently the best-performing architecture in the homogeneous configuration (self-attention only) in Neural Machine Translation, many State-of-the-Art models in Natural Language Processing are made of a combination of different Deep Learning approaches. However, these models often focus on combining a couple of techniques only and it is unclear why some methods are chosen over others. In this work, we investigate the effectiveness of integrating an increasing number of heterogeneous methods. Based on a simple combination strategy and performance-driven synergy criteria, we designed the Multi-Encoder Transformer, which consists of up to five diverse encoders. Results showcased that our approach can improve the quality of the translation across a variety of languages and dataset sizes and it is particularly effective in low-resource languages where we observed a maximum increase of 7.16 BLEU compared to the single-encoder model.
format Preprint
id arxiv_https___arxiv_org_abs_2312_15872
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Heterogeneous Encoders Scaling In The Transformer For Neural Machine Translation
Hu, Jia Cheng
Cavicchioli, Roberto
Berardinelli, Giulia
Capotondi, Alessandro
Computation and Language
Although the Transformer is currently the best-performing architecture in the homogeneous configuration (self-attention only) in Neural Machine Translation, many State-of-the-Art models in Natural Language Processing are made of a combination of different Deep Learning approaches. However, these models often focus on combining a couple of techniques only and it is unclear why some methods are chosen over others. In this work, we investigate the effectiveness of integrating an increasing number of heterogeneous methods. Based on a simple combination strategy and performance-driven synergy criteria, we designed the Multi-Encoder Transformer, which consists of up to five diverse encoders. Results showcased that our approach can improve the quality of the translation across a variety of languages and dataset sizes and it is particularly effective in low-resource languages where we observed a maximum increase of 7.16 BLEU compared to the single-encoder model.
title Heterogeneous Encoders Scaling In The Transformer For Neural Machine Translation
topic Computation and Language
url https://arxiv.org/abs/2312.15872