Where the Cat Sat: A Multilingual Framework for Spatial Language Understanding

Demian Inostroza, Ekaterina Vylomova, Charles Kemp, Mae Carroll, Wanchun Li, Meladel Mistica


Abstract
Spatial language understanding is fundamental to tasks from robot navigation to document analysis, yet current work exhibits biases toward English and prepositional marking. We present a multilingual framework and benchmark decomposing spatial relations into surface elements (figure, ground, predicate, markers) and semantic components (dynamicity, stasis). Evaluating frontier LLMs on Spanish, Basque, and Chinese with text-only input, we find high accuracy on figure and ground identification but persistent gaps in two areas: semantic classification of topological and projective relations, and surface identification of morphological spatial markers—Basque case affixes proving most challenging at as low as 15.3%. These results suggest that surface parsing does not entail spatial understanding, and that evaluation must include typologically diverse spatial marking strategies.
Anthology ID:
2026.acl-long.1633
Volume:
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Month:
July
Year:
2026
Address:
San Diego, California, United States
Editors:
Maria Liakata, Viviane P. Moreira, Jiajun Zhang, David Jurgens
Venue:
ACL
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
35344–35362
Language:
URL:
https://preview.aclanthology.org/ingest-acl/2026.acl-long.1633/
DOI:
Bibkey:
Cite (ACL):
Demian Inostroza, Ekaterina Vylomova, Charles Kemp, Mae Carroll, Wanchun Li, and Meladel Mistica. 2026. Where the Cat Sat: A Multilingual Framework for Spatial Language Understanding. In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), pages 35344–35362, San Diego, California, United States. Association for Computational Linguistics.
Cite (Informal):
Where the Cat Sat: A Multilingual Framework for Spatial Language Understanding (Inostroza et al., ACL 2026)
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https://preview.aclanthology.org/ingest-acl/2026.acl-long.1633.pdf
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