['pytorch', 'xlm-roberta', 'de', 'en', 'arxiv:2004.09813', 'sentence-transformers', 'semantic textual similarity', 'sts', 'semantic search', 'sentence similarity', 'paraphrasing', 'documents retrieval', 'passage retrieval', 'information retrieval', 'sentence-transformer', 'feature-extraction', 'transformers']