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A Deep Generative Framework for Paraphrase Generation

AAAI 2018 · Large language models › Retrieval and knowledge · approach: Explanatory and multiple-choice QA benchmarks · 182 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Condition both VAE encoder and decoder on the original sentence and generate from a sampled latent codeVAE-SVG · MSCOCOBLEU: 37.0 -> 39.2Helped
Condition both VAE encoder and decoder on the original sentence and generate from a sampled latent codeVAE-SVG · MSCOCOTER: 51.6 -> 43.6Helped
Use VAE-SVG-eq with a shared original-sentence encoder instead of VAE-SVG (ablation)VAE-SVG · MSCOCOBLEU: 39.2 -> 37.3Hurt
Use VAE-SVG-eq with a shared original-sentence encoder instead of VAE-SVG (ablation)VAE-SVG · Quora (150K training, Avg)BLEU: 25.0 -> 26.2Helped
Add supervised paraphrase targets and condition generation on the source rather than training an unsupervised VAE (ablation)VAE-SVG · Quora (150K training, best METEOR)BLEU: 11.4 -> 30.3Helped
Add the paraphrase-sentence encoder on the VAE encoder side, compared with VAE-S (ablation)VAE-SVG · Quora (150K training, best METEOR)BLEU: 19.7 -> 30.3Helped
Increase Quora training data from 50K to 150K (ablation)VAE-SVG · Quora (Avg)BLEU: 13.8 -> 25.0Helped
Use beam search with beam size 10 (ablation)VAE-SVG-eq · Quora (150K training, Avg)BLEU: 26.2 -> 37.1Helped
Use beam search with beam size 10 (ablation)VAE-SVG · MSCOCO (Avg)BLEU: 39.2 -> 41.3Helped
Use beam search with beam size 10 (ablation)VAE-SVG · MSCOCO (Avg)TER: 43.6 -> 40.8Helped
Use beam search with beam size 10 (ablation)VAE-SVG · MSCOCO (Avg)METEOR: 29.2 -> 30.9Helped

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