Google BERT Update Explained: How Google Learned to Read Context
BERT helps Google understand each word in the context of the whole search. It launched in October 2019 and is still active today.
Ranking Systems
What Is Google RankBrain? How Google's AI Reads Your Search
RankBrain is Google's machine learning system for understanding searches. Google revealed it in October 2015, and it is still active today.
Google Hummingbird Update Explained: The Engine Behind Smarter Search
Hummingbird was a new core engine that helped Google understand the meaning of whole queries. Google announced it in September 2013 and says it went live in August 2013.