train custom entities using the rule based logic

how to input you own data set along with your own patterns using rule based logic (bootstrapping) to create custom entities

Hi! The docs on ner.match are a good place to start: There are also lots of threads on the forum that explain how patterns are used in Prodigy – for example, this one: patterns in ner.match and ner.teach

For an end-to-end example, check out this blog post on using patterns to bootstrap an NER model: