An L* Algorithm for Deterministic Weighted Regular Languages
Clemente Pasti, Talu Karagöz, Franz Nowak, Anej Svete, Reda Boumasmoud, Ryan Cotterell
Abstract
Extracting finite state automata (FSAs) fromblack-box models offers a powerful approachto gaining interpretable insights into complexmodel behaviors. To support this pursuit, wepresent a weighted variant of Angluin’s (1987)L* algorithm for learning FSAs. We stay faithful to the original formulation, devising a wayto exactly learn deterministic weighted FSAswhose weights support division. Furthermore,we formulate the learning process in a mannerthat highlights the connection with FSA minimization, showing how L* directly learns aminimal automaton for the target language.- Anthology ID:
- 2024.emnlp-main.468
- Original:
- 2024.emnlp-main.468v1
- Version 2:
- 2024.emnlp-main.468v2
- Volume:
- Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing
- Month:
- November
- Year:
- 2024
- Address:
- Miami, Florida, USA
- Editors:
- Yaser Al-Onaizan, Mohit Bansal, Yun-Nung Chen
- Venue:
- EMNLP
- SIG:
- Publisher:
- Association for Computational Linguistics
- Note:
- Pages:
- 8197–8210
- Language:
- URL:
- https://preview.aclanthology.org/add-emnlp-2024-awards/2024.emnlp-main.468/
- DOI:
- 10.18653/v1/2024.emnlp-main.468
- Cite (ACL):
- Clemente Pasti, Talu Karagöz, Franz Nowak, Anej Svete, Reda Boumasmoud, and Ryan Cotterell. 2024. An L* Algorithm for Deterministic Weighted Regular Languages. In Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, pages 8197–8210, Miami, Florida, USA. Association for Computational Linguistics.
- Cite (Informal):
- An L* Algorithm for Deterministic Weighted Regular Languages (Pasti et al., EMNLP 2024)
- PDF:
- https://preview.aclanthology.org/add-emnlp-2024-awards/2024.emnlp-main.468.pdf