# Cascade
**Entity class:** Epidemiological And Ideological-Transmission Bridge concept
**Cascade** is a concept in the epidemiological and ideological-transmission bridge of the counterterrorism predictive-graph ontology. The operational value of Cascade lies in preserving time, provenance, confidence, and alternative explanations.
## Counterterrorism predictive-graph role
The epidemiological vocabulary is a formal model of network-mediated propagation and reinforcement. It does not make an idea a biological pathogen or every exposed person an adopter. The analytic state should distinguish ground truth, observed evidence, inferred state, and predicted state.
## Relationships
- **domain router:** [[wiki/Network Epidemiology|Network Epidemiology]].
- **ontology neighbors:** [[wiki/Independent Cascade Model|Independent Cascade Model]] and [[wiki/Information Cascade|Information Cascade]].
- **synthesis:** [[wiki/Counterterrorism Predictive Graph|Counterterrorism Predictive Graph]] and [[wiki/Predictive Intelligence Loop|Predictive Intelligence Loop]].
## Sources
- [National Institute of Justice — Five Things About the Role of Social Networks in Domestic Radicalization, December 2023](https://nij.ojp.gov/topics/articles/five-things-about-role-social-networks-domestic-radicalization)
- [Mason Youngblood — Extremist ideology as a complex contagion, July 31, 2020](https://www.nature.com/articles/s41599-020-00546-3)
**As of:** 2026-09-23