Learning a Reversible Embedding Mapping using Bi-Directional Manifold Alignment
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2021-08-01
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Citation of Original Publication
Ganesan, Ashwinkumar; Ferraro, Francis; Oates, Tim; Learning a Reversible Embedding Mapping using Bi-Directional Manifold Alignment; Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021, pages 3132–3139 August 1–6, 2021; https://aclanthology.org/2021.findings-acl.276.pdf
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Abstract
We propose a Bi-Directional Manifold Alignment (BDMA) that learns a non-linear mapping between two manifolds by explicitly
training it to be bijective. We demonstrate
BDMA by training a model for a pair of languages rather than individual, directed source
and target combinations, reducing the number of models by 50%. We show that models trained with BDMA in the “forward”
(source to target) direction can successfully
map words in the “reverse” (target to source)
direction, yielding equivalent (or better) performance to standard unidirectional translation
models where the source and target language
is flipped. We also show how BDMA reduces
the overall size of the model.