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  • 标题:Cross-lingual Contextualized Topic Models with Zero-shot Learning
  • 本地全文:下载
  • 作者:Federico Bianchi ; Silvia Terragni ; Dirk Hovy
  • 期刊名称:Conference on European Chapter of the Association for Computational Linguistics (EACL)
  • 出版年度:2021
  • 卷号:2021
  • 页码:1676-1683
  • DOI:10.18653/v1/2021.eacl-main.143
  • 语种:English
  • 出版社:ACL Anthology
  • 摘要:Many data sets (e.g., reviews, forums, news, etc.) exist parallelly in multiple languages. They all cover the same content, but the linguistic differences make it impossible to use traditional, bag-of-word-based topic models. Models have to be either single-language or suffer from a huge, but extremely sparse vocabulary. Both issues can be addressed by transfer learning. In this paper, we introduce a zero-shot cross-lingual topic model. Our model learns topics on one language (here, English), and predicts them for unseen documents in different languages (here, Italian, French, German, and Portuguese). We evaluate the quality of the topic predictions for the same document in different languages. Our results show that the transferred topics are coherent and stable across languages, which suggests exciting future research directions.
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