Spatial Reasoning via Modality Switching Between Language and Symbolic Representation

arXiv preprint, 2026

Shreya Rajpal, Tanawan Premsri, and Parisa Kordjamshidi.

We introduce an adaptive modality-switching framework for complex multi-hop spatial stories. The approach selects natural-language or symbolic representations using trustworthiness and complexity signals, improving performance on complex spatial reasoning by 42%.