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Structured Attention Networks

ICLR 2017 · Architectures and efficiency › Attention and transformers · approach: Transformer expressivity and circuits · 98 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add syntactic structured attention over soft parentstree-transduction encoder · Tree transduction, depth 2average length to failure (%): 87.4 -> 99.2Helped
add segmentation CRF attention instead of sigmoid attentionJapanese character-to-word translation · Japanese character-to-word translationBLEU: 13.1 -> 14.6Helped
add segmentation CRF attention instead of simple attentionJapanese word-to-word translation · Japanese word-to-word translationBLEU: 14.1 -> 14.3No clear effect
add binary pairwise potentials to the CRF (ablation)bAbI QA · bAbI 1K averageanswer accuracy (%): 73.8 -> 81.0Helped
add binary pairwise potentials to the CRF (ablation)bAbI QA · bAbI 1K averagesupporting fact selection accuracy (%): 17.4 -> 53.7Helped
use binary CRF attention instead of MemN2N attentionbAbI QA · bAbI 1K averageanswer accuracy (%): 81.4 -> 81.0No clear effect
use binary CRF attention instead of MemN2N attentionbAbI QA · bAbI 1K averagesupporting fact selection accuracy (%): 39.6 -> 53.7Helped
add syntactic structured attentionStanford NLI model · Stanford NLI testaccuracy (%): 86.2 -> 86.8Helped
pretrain the syntactic attention layer on parse trees (ablation)Stanford NLI model · Stanford NLI testaccuracy (%): 86.8 -> 86.5Hurt
add simple intra-sentence attentionStanford NLI model · Stanford NLI testaccuracy (%): 85.8 -> 86.2Helped
add pipeline hard-parent featuresStanford NLI model · Stanford NLI testaccuracy (%): 85.8 -> 86.1Helped
use structured rather than simple self-attentiontree-transduction encoder · Tree transduction, depth 3average length to failure (%): 49.6 -> 87.0Helped

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