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Glossary: NLP with Transformers

BIO tags

Also written: BIO tag, B-, I-

A word-labeling scheme for entities. `B-` marks the first word of an entity, `I-` a word inside it, and `O` a word outside any entity, as in B-PRODUCT I-PRODUCT for 'Night Owl'.

Where the book teaches it

Related terms

Named entity recognition (NER)Token classification