GeoContra uses executable geospatial contracts plus static, runtime, and semantic checks with a repair loop to raise spatial correctness of LLM-generated GIS code by an average of 26.6% across 11 models on over 7,000 real tasks.
A flood knowledge-constrained large language model interactable with GIS: When AI meets flooding.International Journal of Geographical Information Science, 38(11), 2180–2205
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GeoContra: From Fluent GIS Code to Verifiable Spatial Analysis with Geography-Grounded Repair
GeoContra uses executable geospatial contracts plus static, runtime, and semantic checks with a repair loop to raise spatial correctness of LLM-generated GIS code by an average of 26.6% across 11 models on over 7,000 real tasks.