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Getting Started with Google BERT

You're reading from   Getting Started with Google BERT Build and train state-of-the-art natural language processing models using BERT

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Product type Paperback
Published in Jan 2021
Publisher Packt
ISBN-13 9781838821593
Length 352 pages
Edition 1st Edition
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Author (1):
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Sudharsan Ravichandiran Sudharsan Ravichandiran
Author Profile Icon Sudharsan Ravichandiran
Sudharsan Ravichandiran
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Table of Contents (15) Chapters Close

Preface 1. Section 1 - Starting Off with BERT
2. A Primer on Transformers FREE CHAPTER 3. Understanding the BERT Model 4. Getting Hands-On with BERT 5. Section 2 - Exploring BERT Variants
6. BERT Variants I - ALBERT, RoBERTa, ELECTRA, and SpanBERT 7. BERT Variants II - Based on Knowledge Distillation 8. Section 3 - Applications of BERT
9. Exploring BERTSUM for Text Summarization 10. Applying BERT to Other Languages 11. Exploring Sentence and Domain-Specific BERT 12. Working with VideoBERT, BART, and More 13. Assessments 14. Other Books You May Enjoy

Summary

We started off the chapter by understanding what the transformer model is and how it uses encoder-decoder architecture. We looked into the encoder section of the transformer and learned about different sublayers used in encoders, such as multi-head attention and feedforward networks.

We learned that the self-attention mechanism relates a word to all the words in the sentence to better understand the word. To compute self-attention, we used three different matrices, called the query, key, and value matrices. Following this, we learned how to compute positional encoding and how it is used to capture the word order in a sentence. Next, we learned how the feedforward network works in the encoder and then we explored the add and norm component.

After understanding the encoder, we understood how the decoder works. We explored three sublayers used in the decoder in detail, which are the masked multi-head attention, encoder-decoder attention, and feedforward network. Following this...

You have been reading a chapter from
Getting Started with Google BERT
Published in: Jan 2021
Publisher: Packt
ISBN-13: 9781838821593
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