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Filtered Inner Product Projection for Crosslingual Embedding Alignment

ICLR 2021 · Label-efficient and robust learning › Recognition and long-tail · approach: Multilingual language representation pretraining · 6 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add self-learning with 14K additional pairs (ablation)FIPP · XLING 1K BLI, all 28 language pairsMAP: 0.344 -> 0.406Helped
Add self-learning with 14K additional pairs (ablation)FIPP · XLING 5K BLI, all 28 language pairsMAP: 0.442 -> 0.441No clear effect
Add isotropic preprocessing (ablation)Procrustes-based FIPP ablation · XLING 1K BLI, all 28 language pairsMAP: 0.333 -> 0.344Helped
Add isotropic preprocessing (ablation)Procrustes-based FIPP ablation · XLING 5K BLI, all 28 language pairsMAP: 0.430 -> 0.442Helped
Add inner product filtering (ablation)Procrustes-based FIPP ablation · XLING 1K BLI, all 28 language pairsMAP: 0.335 -> 0.344Helped
Add inner product filtering (ablation)Procrustes-based FIPP ablation · XLING 5K BLI, all 28 language pairsMAP: 0.439 -> 0.442Helped
Add weighted Procrustes (ablation)Procrustes-based FIPP ablation · XLING 1K BLI, all 28 language pairsMAP: 0.336 -> 0.344Helped
Add weighted Procrustes (ablation)Procrustes-based FIPP ablation · XLING 5K BLI, all 28 language pairsMAP: 0.440 -> 0.442Helped
Run multiple FIPP optimization iterations instead of one (ablation)FIPP · XLING 1K and 5K BLIMAP: 0.002; 0.001; 0.002; 0.002No clear effect
Use FIPP rather than the strongest reported baselineBilingual lexicon induction · XLING 1K BLI, all 28 language pairsMAP: 0.379 -> 0.406Helped
Use FIPP rather than the strongest reported baselineBilingual lexicon induction · XLING 5K BLI, all 28 language pairsMAP: 0.437 -> 0.442Helped
Use FIPP instead of RCSLSCross-lingual document classification · TED-CLDC, averagemicro-averaged F1: 0.510 -> 0.477Hurt

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