Explain Transformer Architecture Basics

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The question is on your right: Explain Transformer Architecture Basics. Take a moment with it first.

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Problem

Scenario

You are discussing modern NLP model architectures in an interview setting. The conversation turns to the model family behind many current text classification, generation, and retrieval systems.

Question

What is a transformer?

What this tests

Understanding of self-attention and token interactions
How tokenization and embeddings feed transformer layers
Why transformers replaced many older NLP architectures
How transformers are used in practical NLP systems