GeoForge: Non-Parametric Self-Evolving Agents for Earth-Observation Reasoning

• URL: http://arxiv.org/abs/2608.10494v1
• Date: Tue, 11 Aug 2026 05:11:10 GMT
• Title: GeoForge: Non-Parametric Self-Evolving Agents for Earth-Observation Reasoning
• Abstract summary: We present GeoForge, a training-free, self-evolving framework that transforms completed trajectories into a structured nonparametric execution state.<n>GeoForge constrains the operation space according to the sensing context, then retrieves a task-conditioned prior from three complementary memories.<n>After each task, a safety-gated distillation process converts grounded trajectories into reusable execution knowledge for future retrieval.
• Score: 25.382191805848013
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Earth observation (EO) agents construct scientifically valid tool workflows and ground their conclusions in current geospatial evidence. This is challenging because EO workflows are constrained by sensing semantics, product dependencies, spatial and temporal compatibility, and parameter requirements. Existing agents often search a broad operation space for each query, while recent self-evolving systems do not fully organize heterogeneous EO trajectories into reusable knowledge across different decision levels. To solve this problem, we present GeoForge, a training-free, self-evolving framework that transforms completed trajectories into a structured nonparametric execution state. GeoForge constrains the operation space according to the sensing context, then retrieves a task-conditioned prior from three complementary memories. Workflow Graph Memory captures global operation order, Action-Level Experiences provide local corrections, and the Adapted Skill Standard Operating Procedure preserves procedural and data constraints. The retrieved prior guides tool execution, while current observations remain the basis of the final answer. After each task, a safety-gated distillation process converts grounded trajectories into reusable execution knowledge for future retrieval. This execution, distillation, and reuse loop improves planning without updating the backbone LLM. Experiments on multiple geospatial benchmarks demonstrate that GeoForge consistently improves both task accuracy and tool-use trajectory quality across diverse LLM backbones, while substantially reducing tool-planning and reasoning errors for most LLMs.

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