An instructive implementation of semantic parsing and reasoning using Lexical Functional Grammar

Mark-Matthias Zymla, Kascha Kruschwitz, Paul Zodl


Abstract
This paper presents a computational resource for exploring semantic parsing and reasoning through a strictly formal lense. Inspired by the framework of Lexical Functional Grammar, our system allows for modular exploration of different aspects of semantic parsing. It consists of a hand-coded formal grammar combining syntactic and semantic annotations, producing basic semantic representations. The system provides the option to extend these basic semantics via rewrite rules in a principled fashion to explore more complex reasoning. The result is a layered system enabling an incremental approach to semantic parsing. We illustrate this approach with examples from the Fracas testsuite demonstrating its overall functionality and viability.
Anthology ID:
2025.brigap-1.6
Volume:
Proceedings of the Second Workshop on the Bridges and Gaps between Formal and Computational Linguistics (BriGap-2)
Month:
September
Year:
2025
Address:
Düsseldorf, Germany
Editors:
Timothée Bernard, Timothee Mickus
Venues:
BriGap | WS
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
35–51
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URL:
https://preview.aclanthology.org/iwcs-25-ingestion/2025.brigap-1.6/
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Cite (ACL):
Mark-Matthias Zymla, Kascha Kruschwitz, and Paul Zodl. 2025. An instructive implementation of semantic parsing and reasoning using Lexical Functional Grammar. In Proceedings of the Second Workshop on the Bridges and Gaps between Formal and Computational Linguistics (BriGap-2), pages 35–51, Düsseldorf, Germany. Association for Computational Linguistics.
Cite (Informal):
An instructive implementation of semantic parsing and reasoning using Lexical Functional Grammar (Zymla et al., BriGap 2025)
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https://preview.aclanthology.org/iwcs-25-ingestion/2025.brigap-1.6.pdf