# Dynamic Bayesian Network
**Entity class:** Time And Prediction Layer concept
**Dynamic Bayesian Network** is a relational system whose structure, membership, and behavior can change over time. Used correctly, Dynamic Bayesian Network supports conditional inference and collection planning without promoting proximity, exposure, or model output into proof.
## 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/Temporal Graph Analytics|Temporal Graph Analytics]].
- **ontology neighbors:** [[wiki/State-Space Model|State-Space Model]] and [[wiki/Kalman Filter|Kalman Filter]].
- **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