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Semantic Sentence Matching with Densely-Connected Recurrent and Co-Attentive Information

AAAI 2019 · Architectures and efficiency › Attention and transformers · approach: Long-context KV and memory attention

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add the autoencoder bottleneck (ablation)DRCN · SNLI testaccuracy: 88.7 -> 88.9Helped
remove trainable word embeddings (ablation)DRCN · SNLI devaccuracyHurt
remove fixed word embeddings (ablation)DRCN · SNLI devaccuracyHurt
add trainable rather than fixed word embeddings (ablation)DRCN · SNLI devaccuracyMixed
remove dense connections over co-attentive features (ablation)DRCN · SNLI devaccuracyHurt
remove dense connections over recurrent features (ablation)DRCN · SNLI devaccuracyHurt
remove dense connections over both co-attentive and recurrent features (ablation)DRCN · SNLI devaccuracy: 88.5Hurt
replace dense recurrent and co-attentive connections with residual connections (ablation)DRCN · SNLI devaccuracyHurt
remove dense connections over word-embedding features from the residual variant (ablation)DRCN residual variant · SNLI devaccuracyHurt
add inter-layer connections to a 5-layer RNN (ablation)DRCN · SNLI devaccuracyHelped
add attention (ablation)DRCN · SNLI devaccuracyHelped
increase the number of recurrent layers in models without inter-layer connections (ablation)basic RNN with attention and basic RNN without attention · SNLI devaccuracyHurt

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