Transformers Unveiled: The Magic Behind Language Processing Simplified

Shobhit Agarwal
3 min readDec 13, 2023

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Transformers Architecture

The Transformer model is a neural network that learns context and understanding through sequential data analysis. It uses a modern and evolving mathematical technique set, generally known as attention or self-attention. This set helps identify how distant data elements influence and depend on one another.

In this article, we’ll demystify the enchanting world of Transformers, breaking down the complexity into simple, everyday analogies that will leave you marvelling at their linguistic prowess.

The Transformer Architecture: Breaking It Down

Certainly! Let’s break down the layers of a Transformer model in the simplest terms:

1. Input Layer — The Messenger:
— Imagine your sentence as a message. The input layer receives this message and prepares it for processing.

2. Self-Attention Layer — The Listener:
— Think of this layer as a listener at a party. It pays attention to each word in the sentence, focusing more on important words just like you might pay more attention to interesting conversations.

3. Multi-Head Attention — Team of Listeners:
— Instead of one listener, imagine a team of friends listening. They each focus on different aspects of the conversation, combining their insights to understand the entire story.

4. Feedforward Neural Network — The Thinker:
— This layer is like a smart friend who thinks deeply. It takes the information gathered and processes it, understanding the relationships between words and their meanings.

5. Normalization Layer — The Balancer:
— Picture a friend who helps keep everyone’s opinions in check, making sure no one dominates the conversation. The normalization layer balances and maintains a healthy flow of information.

6. Encoder Layers — The Storytellers:
— Each encoder layer is like a storyteller in a chain. They pass the story (your sentence) to each other, enhancing and refining it with every exchange. The final storyteller has the complete, enriched tale.

7. Decoder Layers — The Creative Writers:
— Now, imagine creative writers taking your sentence and expanding it into a beautiful story. The decoder layers generate new words and ensure the story makes sense, just like writers crafting a captivating narrative.

8. Output Layer — The Speaker:
— Finally, the output layer is like a speaker delivering a well-articulated speech. It presents the model’s understanding of the sentence in a way that others (or other machines) can comprehend.

In essence, a Transformer is a group of friends at a language party. They listen attentively, discuss among themselves, think deeply, balance their perspectives, and collaboratively create a compelling story to share with the world.

Conclusion: Transformers in Everyday Language

In wrapping up our journey into the world of Transformers, we’ve unravelled the magic behind these language wizards. From switchboard operators to orchestra conductors, these linguistic marvels are the backbone of our digital conversations and creative endeavours. As we navigate the ever-evolving landscape of language technology, let’s appreciate the simplicity and power encapsulated in the enchanting world of Transformers.

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Shobhit Agarwal

Data Scientist | Specialised in ML & DL | Scaling LLM | Python Expert | GCP Certified | Microsoft Azure Certified