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Sentence-BERT: Sentence Embeddings using Siamese BERT …

Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processingand the 9th International Joint Conference on Natural Language Processing, pages 3982 3992,Hong Kong, China, November 3 7, 2019 Association for Computational Linguistics3982 Sentence -BERT: Sentence Embeddings using Siamese BERT-NetworksNils Reimers and Iryna GurevychUbiquitous Knowledge Processing Lab (UKP-TUDA)Department of Computer Science, Technische Universit at (Devlin et al., 2018) and RoBERTa (Liuet al.)

rive sentence embeddings from BERT. To bypass this limitations, researchers passed single sen-tences through BERT and then derive a fixed sized vector by either averaging the outputs (similar to average word embeddings) or by using the output of the special CLS token (for example:May et al. (2019);Zhang et al. Qiao et al. )).

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arxiv.org

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