Verbalizer

In the classification setting, verbalizers are mappings from labels to words in a language model's vocabulary. For example, consider performing sentiment classification with the following prompt:

Here, the verbalizer is the mapping from the conceptual labels of positive and negative to the tokens pos and neg.

Footnotes

1. Schick, T., & Schütze, H. (2020). Exploiting Cloze Questions for Few Shot Text Classification and Natural Language Inference. ↩