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Hierarchical Encoder with Auxiliary Supervision for Neural Table-to-Text Generation: Learning Better Representation for Tables

AAAI 2019 · Vision-language and multimodal › Human and embodied modeling · approach: Layout-aware document understanding

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add two-level LSTM encoder with coarse-to-fine attention (ablation)seq2seq · WIKIBIOBLEU-4: 43.37 -> 44.42Helped
use two-level LSTM instead of stacked/bi-directional LSTM with more parameters (ablation)seq2seq encoder · WIKIBIOBLEU-4: 44.14 vs 43.25Helped
replace word-attribute concatenation with auxiliary sequence labeling (ablation)hs2s · WIKIBIOBLEU-4: 44.42 -> 44.63Helped
replace field-gating with sequence labeling (MLP) (ablation)hs2s · WIKIBIOBLEU-4: 44.57 -> 44.63Helped
use CRF instead of MLP as label function (ablation)hs2s + SL · WIKIBIOBLEU-4: 44.63 vs 44.54No clear effect
add text auto-encoder supervision (Eq 7 & 8) (ablation)seq2seq · WIKIBIOBLEU-4: 43.37 -> 44.04Helped
add text auto-encoder supervision (Eq 7 & 8) (ablation)hs2s + SL-CRF · WIKIBIOBLEU-4: 44.63 -> 44.84Helped
add distance minimizing on top of co-training (ablation)hs2s + concat · WIKIBIOBLEU-4: 44.64 -> 44.68Helped
add multi-labeling supervision (Eq 10) (ablation)seq2seq · WIKIBIOBLEU-4: 43.37 -> 43.69Helped
add multi-labeling supervision (Eq 10) (ablation)hs2s + SL-CRF · WIKIBIOBLEU-4: 44.63 -> 45.01Helped
add auto-encoder supervision gives more gain to weaker encoder (ablation)seq2seq vs hierarchical · WIKIBIOBLEU-4: +0.67 vs +0.26Mixed
shuffle attribute order in train and tests2s · WIKIBIO shuffledBLEU-4: 43.37 -> 41.80Hurt

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