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XLM and XLM-R: cross-lingual pretraining and multilingual scale analysis

Contribution grade

Multilingual representations · Human-designed research method or resource

Reference score150,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Studied shared multilingual causal/masked language objectives and parallel-sentence translation language modeling; XLM-R extended masked pretraining with larger filtered web corpora, vocabulary and capacity tradeoff analysis.

Scientific scope

Studied shared multilingual causal/masked language objectives and parallel-sentence translation language modeling; XLM-R extended masked pretraining with larger filtered web corpora, vocabulary and capacity tradeoff analysis. XLM's parallel-data objective is supervised; XLM-R's monolingual pretraining does not imply all evaluations are unsupervised. Improvements inherit BERT/RoBERTa and depend on sampling, capacity and resource distribution. Original v1 results differ from later revised abstracts, so no cross-version numerical claim is imported.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. XLM's parallel-data objective is supervised; XLM-R's monolingual pretraining does not imply all evaluations are unsupervised. Improvements inherit BERT/RoBERTa and depend on sampling, capacity and resource distribution. Original v1 results differ from later revised abstracts, so no cross-version numerical claim is imported.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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