BERT: Bidirectional Encoder Representations from Transformers
BERT stands for Bidirectional Encoder Representations from Transformers. 🧠
It’s Google’s AI-based natural language processing (NLP) model to help computers understand language more like humans.
BERT doesn’t replace RankBrain (Google’s first AI for search); it works alongside it to better understand search queries. 🤝
Discourse Integration
BERT uses context from surrounding sentences to understand the meaning of words and phrases.
Example:
Sentences:
"The man went to the store."
"He bought a gallon of milk."
Understanding: BERT recognizes that "He" refers to "The man", integrating discourse to comprehend the narrative flow.
🔍 How Does BERT Work?
BERT focuses on the nuances of language to better interpret:
- Relationships between words in a sentence.
- Context to understand the true meaning of queries.
Before vs After BERT
Query: "2019 Brazil traveler to USA need a visa."
- Before BERT: Google might return results for U.S. citizens traveling to Brazil. ❌
- With BERT: Google recognizes that the word “to” is critical and gives the correct result about Brazilians traveling to the USA. ✅

Standing at Work
Query: "Do estheticians stand a lot at work?"
- Before BERT: Matched “stand-alone” (completely unrelated). ❌
- With BERT: Understands “stand” refers to physical demands of the job. ✅

Medicine Query
Query: "Can you get medicine for someone pharmacy?"
- Before BERT: Misinterpreted the intent. ❌
- With BERT: Provides relevant results about getting medicine for someone. ✅

📈 Can You Optimize for BERT?
Nope! There’s no direct way to optimize for BERT or RankBrain.
Instead, focus on writing helpful, user-friendly content that answers real questions. 📝
Google’s AI systems aim to better understand natural language and match queries to the most relevant results.