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Multi-Task Recurrent Modular Networks

AAAI 2021 · Architectures and efficiency › RNNs and normalization · approach: Brain-inspired recurrent architectures · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use dynamically routed modular encoder-decoder connections rather than the strongest listed fixed or alternate MTL baselinemtl-RMN · tfMRI Group-1, Tasks 1–3accuracy: 89.2±0.6 -> 90.8±2.1; 95.7±1.1 -> 96.7±1.6; 91.3±1.7 -> 92.9±2.4Helped
Use dynamically routed modular encoder-decoder connections rather than RRNsmtl-RMN · tfMRI Group-2, Tasks 1, 3, and 4accuracy: 75.4±2.2 -> 76.1±1.8; 83.2±3.0 -> 84.4±2.4; 82.6±3.8 -> 83.5±2.2Helped
Train a modular encoder on related tasks, freeze it, and use it for a held-out taskRMNtr with LSTM · tfMRI unseen-task scenarios A–Daccuracy: 82.6±1.0 -> 83.3±2.3; 82.3±0.6 -> 85.6±1.7; 93.7±0.6 -> 97.0±1.8; 71.7±1.4 -> 79.3±2.6Helped
Use the trained modular encoder instead of an untrained encoderRMNtr · tfMRI unseen-task scenarios A–Daccuracy: 82.9±1.2 -> 83.3±2.3; 84.5±1.5 -> 85.6±1.7; 95.3±0.8 -> 97.0±1.8; 73.1±1.7 -> 79.3±2.6Helped
Add MT-RMN to the underlying multi-task recurrent modelHindi-English POS tagging models · Hindi-English POS taggingaccuracy: 44.3±0.7 -> 55.2±1.2 (NS-MTL); 46.0±1.9 -> 51.7±1.9 (Cross-stitch); 58.7±0.7 -> 61.5±1.7 (Sluice); 62.8±0.6 -> 64.5±2.1 Helped
Add MT-RMN to the underlying multi-task recurrent modelHindi-English POS tagging models · Hindi-English POS taggingF1: 38.9±1.6 -> 53.4±2.4 (NS-MTL); 12.7±0.8 -> 21.4±3.2 (Cross-stitch); 55.4±2.1 -> 57.2±1.8 (Sluice); 46.6±0.4 -> 62.6±2.4 Helped
Replace the layered sub-encoder architecture with one recursive set of sub-encoders (ablation)MT-RMN · Hindi-English POS tagging with NS-MTL, Sluice, and GIRNetaccuracy: 55.2±1.2 -> 53.5±1.9; 61.5±1.7 -> 60.4±1.2; 64.5±2.1 -> 63.6±1.7Hurt
Replace the layered sub-encoder architecture with one recursive set of sub-encoders (ablation)MT-RMN · Hindi-English POS tagging with Cross-stitchaccuracy: 51.7±1.9 -> 52.1±1.0Helped
Replace the layered sub-encoder architecture with one recursive set of sub-encoders (ablation)MT-RMN · Hindi-English POS taggingF1: 53.4±2.4 -> 52.7±0.8 (NS-MTL); 21.4±3.2 -> 19.5±0.6 (Cross-stitch); 57.2±1.8 -> 56.6±0.7 (Sluice); 62.6±2.4 -> 61.3±1.5 Hurt

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