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Getting Started with Google BERT

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Before we Start

About the course

Starting Off with BERT

Introduction: BERT

A Primer on Transformers

Introduction to the Transformer Understanding the Encoder of the Transformer Self-Attention Mechanism Understanding the Self-Attention Mechanism Multi-Head Attention Mechanism Learning Position with Positional Encoding Encoder: Feedforward and Add and Norm Component Putting all the Encoder Components Together Understanding the Decoder of the Transformer Masked Multi-Head Attention Multi-Head Attention Decoder: Feedforward and Add and Norm Component Putting All the Decoder Components Together Putting the Encoder and Decoder Together Summary: A Primer on Transformers Exercise: A Primer on Transformers Exercise: Decoder Architecture Quiz: A Primer on Transformers

Understanding the BERT Model

Introduction to BERT Model Working of BERT Configurations of BERT Pre-Training the BERT Model The WordPiece Tokenizer Pre-Training Strategies for the BERT Model Masked Language Modeling Next Sentence Prediction Pre-Training Procedure Subword Tokenization Algorithms Byte Pair Encoding Byte-level Byte Pair Encoding & WordPiece Algorithms Summary: Understanding the BERT Model Quiz: Understanding the BERT Model

Getting Hands-On with BERT

Exploring the Pre-Trained BERT Model Transformers Extracting Embeddings From All Encoder Layers of BERT Fine-Tuning BERT for Downstream Tasks Sentiment Analysis Natural Language Interface Question-Answering Performing Question-Answering with the Fine-Tuned BERT Named Entity Recognition Summary: Getting Hands-on with BERT Quiz: Getting Hands-On with BERT

Exploring BERT Variants

Introducion: BERT Variants

Different BERT Variants

ALBERT ALBERT : Training the Model ALBERT : Embeddings Extraction RoBERTa RoBERTa Tokenizer ELECTRA Generator and Discriminator of the ELECTRA Model Training the ELECTRA Model SpanBERT SpanBERT: Exploring Architecture Summary: Different BERT Variants Quiz: Different BERT Variants

BERT Variants—Based on Knowledge Distillation

Knowledge Distillation

Training the Student Network

Training the Student BERT (DistilBERT)

Teacher-Student Architecture

Distillation of Transformer Layer

Distillation of Embedding and Prediction Layer

Distillation Techniques for Pre-training and Fine-tuning

Data Augmentation

Transferring Knowledge from BERT to Neural Networks

The Data Augmentation Methods

Summary: BERT Variants - Based on Knowledge Distillation

Quiz: BERT Variants - Based on Knowledge Distillation

Applications of BERT

Introduction: Applications of BERT

Exploring BERTSUM for Text Summarization

Text Summarization Fine-Tuning BERT for Extractive Summarization BERTSUM for Extractive Summary BERTSUM for Abstractive Summarization ROUGE Evaluation Metrics Training the BERTSUM Model Summary: Exploring BERTSUM for Text Summarization Quiz: Exploring BERTSUM for Text Summarization

Applying BERT to Other Languages

Understanding Multilingual BERT Evaluating M-BERT on the NLI task How Multilingual is Multilingual BERT?M-BERT Generalization Effect of Code-Switching and Transliteration The Cross-Lingual Language Model (XLM)The XLM-R Model Language-Specific BERT BETO for Spanish BERTje for Dutch German BERT Chinese BERT Japanese BERT FinBERT for Finnish BERT Models for Italian and Portuguese RuBERT for Russian Summary: Applying BERT to Other Languages Quiz: Applying BERT to Other Languages

Exploring Sentence and Domain-Specific BERT

Sentence-BERT Sentence-BERT With a Siamese Network Sentence-BERT With a Triplet Network Use Cases of Sentence-BERT Model Learning Multilingual Embeddings Through Knowledge Distillation Multilingual Sentence-BERT Model Domain-Specific BERT BioBERT Summary: Exploring Sentence and Domain-Specific BERT Quiz: Exploring Sentence and Domain-Specific BERT

Working with VideoBERT, BART, and More

VideoBERT Model Pre-training Dataset and Applications of VideoBERT BART Model Noising Techniques Performing Text Summarization with BART Exploring BERT Libraries Building a Document Answering Model Document Summarization Summary: Working with VideoBERT, BART, and More Quiz: Working with VideoBERT, BART, and More

Conclusion

What We've Learned

DistilBERT

Learn about the DistilBERT variant of BERT.

We'll cover the following

Teacher-student architecture
- The teacher BERT
- The student BERT

The pre-trained BERT model has a large number of parameters and also high inference time, which makes it harder to use on edge devices such as mobile phones. To solve this issue, we use DistilBERT—the distilled version of BERT—which was introduced by researchers at Hugging Face. DistilBERT is a smaller, faster, cheaper, and lighter version of BERT.

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