Attention Strategies For Multi-source Sequence-to-sequence Learning

Libovický Jindřich, Helcl Jindřich. Arxiv 2017

[Paper]    
Attention Mechanism Model Architecture Multimodal Models Transformer

Modeling attention in neural multi-source sequence-to-sequence learning remains a relatively unexplored area, despite its usefulness in tasks that incorporate multiple source languages or modalities. We propose two novel approaches to combine the outputs of attention mechanisms over each source sequence, flat and hierarchical. We compare the proposed methods with existing techniques and present results of systematic evaluation of those methods on the WMT16 Multimodal Translation and Automatic Post-editing tasks. We show that the proposed methods achieve competitive results on both tasks.

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