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SAM-Net: Integrating Event-Level and Chain-Level Attentions to Predict What Happens Next

AAAI 2019 · Architectures and efficiency › Attention and transformers · approach: Sparse and structured attention

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add self attention (event segments) to SAM-Net (ablation)SAM-Net · MCNC NYT testaccuracy (%): 49.54 -> 54.48Helped
add chain-level attention (ablation)SAM-Net · MCNC NYT testaccuracy (%): 51.38 -> 54.48Helped
add event-level attention (ablation)SAM-Net · MCNC NYT testaccuracy (%): 53.25 -> 54.48Helped
add DenseNet feature extraction instead of averaging (ablation)SAM-Net · MCNC NYT testaccuracy (%): 52.96 -> 54.48Helped
use richer event representation (v, subject, object, prep) instead of <verb, dependency> (ablation)SAM-Net · MCNC NYT testaccuracy (%): 52.35 -> 54.48Helped
Fusion similarity beta instead of cosine similarity (ablation)SAM-Net · MCNC NYT testaccuracy (%): 53.23 -> 54.48Helped
Fusion similarity beta instead of dot similarity (ablation)SAM-Net · MCNC NYT testaccuracy (%): 53.45 -> 54.48Helped
Fusion similarity beta instead of fusion alpha (ablation)SAM-Net · MCNC NYT testaccuracy (%): 54.22 -> 54.48Helped
SAM-Net versus best baseline SGNNSAM-Net · MCNC NYT testaccuracy (%): 52.32 -> 54.48Helped
neural event embeddings versus count-based PMIWord2vec · MCNC NYT testaccuracy (%): 31.25 -> 42.10Helped
LSTM order modeling alone versus pairwise Event-CompLSTM · MCNC NYT testaccuracy (%): 49.66 -> 46.75Hurt

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