# Network Cluster
**Entity class:** Core Conceptual Layer concept
**Network Cluster** is a relational system whose structure, membership, and behavior can change over time. Network Cluster belongs in the ontology because AI can compute over this structure while analysts retain responsibility for interpretation and authorized action.
## Counterterrorism predictive-graph role
The page records capability and analytic function. Any claim of a named operational deployment remains subject to the [[wiki/Counterterrorism Predictive Graph Evidence Ladder|evidence ladder]]. The analytic state should distinguish ground truth, observed evidence, inferred state, and predicted state.
## Relationships
- **domain router:** [[wiki/Counterterrorism Predictive Graph|Counterterrorism Predictive Graph]].
- **ontology neighbors:** [[wiki/Local Subgraph|Local Subgraph]] and [[wiki/Connected Component|Connected Component]].
- **synthesis:** [[wiki/Counterterrorism Predictive Graph|Counterterrorism Predictive Graph]] and [[wiki/Predictive Intelligence Loop|Predictive Intelligence Loop]].
## Sources
- [IARPA — AGILE technical overview (accessed September 23, 2026)](https://www.iarpa.gov/images/research-programs/AGILE/AGILE_ModSim_-_Final.pdf)
- [IARPA — Making Data Analysis More AGILE (accessed September 23, 2026)](https://www.iarpa.gov/newsroom/article/making-data-analysis-more-agile)
**As of:** 2026-09-23