Nearby lessons
25 of 30Multi-Head Attention
Concept in One Line
Multi-head attention means the model looks at the same sentence from multiple angles at the same time to understand it deeply.
Why This Concept Is Important
- One focus is not enough for language.
- Different words have different relationships.
- Multiple views create richer meaning.
Key Points to Remember
- Multi-head means many attention heads.
- Each head focuses on different relationships.
- All heads work in parallel.
- Outputs are combined for final meaning.
- Leads to better understanding of language.
Multiple Focus Angles Explained
Think of one sentence being observed by many people, each noticing something different.
Sentence: Durga teaches AI with passion at night.
Head 1 focuses on who -> Durga
Head 2 focuses on what -> AI
Head 3 focuses on how -> with passion
Head 4 focuses on when -> at night
Each head sees a different angle.
Why One Head Is Not Enough
- One head may miss some relationships.
- Language has many meanings at once.
- Multiple heads together give the full picture.
Simple Daily Life Example
Cricket match watched by:
- Umpire
- Coach
- Commentator
Each sees the game differently.
Together, understanding is richer.
Simple Flow
Same Sentence -> Multiple Attention Heads -> Different Focus Angles -> Combined Output -> Rich Understanding
Interview / Exam Points
Q1: What is multi-head attention?
Multi-head attention allows the model to focus on different parts and relationships of a sentence at the same time.
Q2: Why multiple heads are needed?
To capture different types of relationships for better understanding.
Common Confusions to Avoid
- Multi-head does not mean multiple models.
- Heads are not separate brains.
- Heads are parallel attention mechanisms.
- Outputs are merged into one.
One Line to Remember
Multi-head attention = many views -> richer understanding.