- BERT
BERT (Bidirectional Encoder Representations from Transformers) is an AI system Google uses to understand how combinations of words express …
- Deduplication systems
Deduplication systems are ranking systems at Google that remove redundant results when many pages say nearly the same thing.
- MUM (Multitask Unified Model)
MUM (Multitask Unified Model) is an AI system from Google that can both understand and generate language.
- NavBoost
NavBoost is a Google ranking signal that pairs search queries with documents by memorizing which results users clicked.
- Neural matching
Neural matching is an AI system Google uses to understand representations of concepts in queries and pages and to match them.
- Original content systems
Original content systems are ranking systems that Google uses to show original content, including original reporting, ahead of pages that …
- Passage ranking
Passage ranking is an AI system Google uses to identify individual sections, called passages, of a web page to better understand how …
- RankBrain
RankBrain is an AI system in Google Search that helps Google understand how words relate to concepts.
- Reliable information systems
Reliable information systems is an umbrella term from Google's overview of ranking systems.
- Site diversity
Site diversity is a Google ranking system that generally keeps more than two listings from the same site out of the top results.