Graph-Based Orchestration of Heterogeneous AI Models: A Control Node Approach to Composite Intelligence
G. Michael YoungbloodFilip Dvo\v{r}\'akSlavo \v{S}vanc\'arTom\'a\v{s} BalyoMichal FicekMartin Dousek
Oct 2026
Artificial Intelligence
Abstract
We present a graph-based framework for Composite AI systems that integrate multiple AI techniques to address complex problems. We describe an architecture using specialized control nodes to orchestrate diverse models including planning, machine learning, constraint programming, and large language models. The system employs directed acyclic graphs and behavior trees to manage model relationships and execution sequencing. Our methodology encompasses data connectors, computational services, and a containerized deployment framework supporting hierarchical, sequential, and concurrent model composition patterns. Through case studies, we demonstrate how this architecture enables the creation of composite systems that leverage the strengths of multiple AI techniques within a unified operational schema, overcoming the limitations of single-model approaches.
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