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Dynamic Neuro-Symbolic Knowledge Graph Construction for Zero-shot Commonsense Question Answering

AAAI 2021 · Vision-language and multimodal › Visual question answering · approach: Open-domain multimodal QA · 115 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add dynamic commonsense graph construction and multi-hop reasoning instead of scoring answers directly (ablation)COMeT on SocialIQa · SocialIQaaccuracy: 48.7 -> 50.1; 49.0 -> 52.6Helped
Add dynamic commonsense graph construction and reasoning instead of direct answer scoring (ablation)COMeT on StoryCS · StoryCSF1: 37.2 -> 39.1Helped
Use COMeT-DynaGen rather than the strongest listed zero-shot language-model baselineSocialIQa · SocialIQa testaccuracy: 42.4 -> 52.6Helped
Use COMeT-DynaGen rather than the strongest listed zero-shot language-model baselineStoryCS · StoryCSF1: 36.4 -> 39.1Helped
Replace argmax decoding with beam search (beam size 5) (ablation)COMeT-DynaGen · SocialIQa devaccuracy: 50.1 -> 49.5Hurt
Replace argmax decoding with beam search (beam size 10) (ablation)COMeT-DynaGen · SocialIQa devaccuracy: 50.1 -> 50.0No clear effect
Replace argmax decoding with top-5 sampling (ablation)COMeT-DynaGen · SocialIQa devaccuracy: 50.1 -> 49.0Hurt
Replace argmax decoding with top-10 sampling (ablation)COMeT-DynaGen · SocialIQa devaccuracy: 50.1 -> 49.3Hurt
Use larger or more varied generated candidate sets instead of argmax decoding (ablation)COMeT-DynaGen · SocialIQa devaccuracy: 50.1; 49.5; 50.0; 49.0; 49.3No clear effect
Set thresholds at the 50th score percentile rather than using CDF-label thresholds (ablation)COMeT-DynaGen on StoryCS · StoryCS devF1: 39.5 -> 38.5Hurt
Tune prediction thresholds on 4 examples rather than use CDF-label thresholds (ablation)COMeT-DynaGen on StoryCS · StoryCS devF1: 39.5 -> 39.4No clear effect
Tune prediction thresholds on 10 examples rather than use CDF-label thresholds (ablation)COMeT-DynaGen on StoryCS · StoryCS devF1: 39.5 -> 41.0Helped

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