Interpretable Relational Inference with LLM-Guided Symbolic Dynamics Modeling

• URL: http://arxiv.org/abs/2604.12806v1
• Date: Tue, 14 Apr 2026 14:36:07 GMT
• Title: Interpretable Relational Inference with LLM-Guided Symbolic Dynamics Modeling
• Abstract summary: Inferring latent interaction structures from observed dynamics is a fundamental inverse problem in many-body interacting systems.<n>We propose textbfCOSINE, a differentiable framework that jointly discovers interaction graphs and sparse symbolic dynamics.
• Score: 5.089978175530993
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Inferring latent interaction structures from observed dynamics is a fundamental inverse problem in many-body interacting systems. Most neural approaches rely on black-box surrogates over trainable graphs, achieving accuracy at the expense of mechanistic interpretability. Symbolic regression offers explicit dynamical equations and stronger inductive biases, but typically assumes known topology and a fixed function library. We propose \textbf{COSINE} (\textbf{C}o-\textbf{O}ptimization of \textbf{S}ymbolic \textbf{I}nteractions and \textbf{N}etwork \textbf{E}dges), a differentiable framework that jointly discovers interaction graphs and sparse symbolic dynamics. To overcome the limitations of fixed symbolic libraries, COSINE further incorporates an outer-loop large language model that adaptively prunes and expands the hypothesis space using feedback from the inner optimization loop. Experiments on synthetic systems and large-scale real-world epidemic data demonstrate robust structural recovery and compact, mechanism-aligned dynamical expressions. Code: https://anonymous.4open.science/r/COSINE-6D43.

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