Unknown Word
(Redirected from UNK token)
An Unknown Word is a Linguistic Unit or Token which meaning is unknown during training.
- AKA: UNK Token, Unseen Word.
- Example(s):
- an OOV Word.
- …
- Counter-Example(s):
- a Rare Word,
- an In-Vocabulary Word.
- See: Word Embedding, Subword Unit, Vocabulary Word, Lexicon Word, Abbreviated Word, Lexical Normalization Task.