Conformal Prediction for Natural Language Processing: A Survey

Margarida Campos, António Farinhas, Chrysoula Zerva, Mário A. T. Figueiredo, André F. T. Martins


Abstract
The rapid proliferation of large language models and natural language processing (NLP) applications creates a crucial need for uncertainty quantification to mitigate risks such as Hallucinations and to enhance decision-making reliability in critical applications. Conformal prediction is emerging as a theoretically sound and practically useful framework, combining flexibility with strong statistical guarantees. Its model-agnostic and distribution-free nature makes it particularly promising to address the current shortcomings of NLP systems that stem from the absence of uncertainty quantification. This paper provides a comprehensive survey of conformal prediction techniques, their guarantees, and existing applications in NLP, pointing to directions for future research and open challenges.
Anthology ID:
2024.tacl-1.82
Volume:
Transactions of the Association for Computational Linguistics, Volume 12
Month:
Year:
2024
Address:
Cambridge, MA
Venue:
TACL
SIG:
Publisher:
MIT Press
Note:
Pages:
1497–1516
Language:
URL:
https://aclanthology.org/2024.tacl-1.82/
DOI:
10.1162/tacl_a_00715
Bibkey:
Cite (ACL):
Margarida Campos, António Farinhas, Chrysoula Zerva, Mário A. T. Figueiredo, and André F. T. Martins. 2024. Conformal Prediction for Natural Language Processing: A Survey. Transactions of the Association for Computational Linguistics, 12:1497–1516.
Cite (Informal):
Conformal Prediction for Natural Language Processing: A Survey (Campos et al., TACL 2024)
Copy Citation:
PDF:
https://aclanthology.org/2024.tacl-1.82.pdf