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Nov 2019
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BERT stands for Bidirectional Encoder Representations from Transformers; it's a new method of pretraining language representations which was published by researchers at Google in October 2018. BERT has significantly altered the natural language processing (NLP) landscape by obtaining state-of-the-art results on a wide array of NLP tasks. Based on Transformer architecture, it learns from both the left and right side of a token's context during training. Google has also released pretrained general-purpose BERT models that have been trained on a large corpus of unlabelled text including Wikipedia. Developers can use and fine-tune these pre-trained models on their task-specific data and achieve great results. We talked about transfer learning for NLP in our April 2019 edition of the Radar; BERT and its successors continue to make transfer learning for NLP a very exciting field with significant reduction in effort for users dealing with text classification.