Author

Yuhang Yan

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Preprint Jul 2026

TerraLogic: A Benchmark for Hierarchical Geospatial Reasoning in Earth Observation

TerraLogic, a benchmark for geospatial reasoning, is introduced and HieraPlan, a tool-augmented agent that organizes toolkits into functional hierarchies and performs fault-tolerant reasoning is proposed, providing a strong baseline with improved reasoning, cross-modal generalization, and error handling.

Yuhang Yan, Linchao Mou, Bokang Yang et al. · 1 citation