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World models and digital twins

An agent that reasons about an enterprise needs more than retrieved text. It needs a model of what exists, what is true, what changed, and what evidence supports the claim.

Operational world model

An operational world model is a shared representation of the state relevant to decisions: assets, orders, facilities, missions, people, policies, and their relationships. It is not a dashboard and not a data lake. It is a model that can answer questions.

Digital twin

A digital twin is a world model for a specific system — a factory, a fleet, a supply chain — kept in sync with the real system through assertions and observations. The twin is useful when it is temporal and evidence-bearing:

  • Temporal (bitemporal): it distinguishes when something was true from when the system recorded it.
  • Evidence-bearing: every assertion points to its source and confidence.

Project: ONTOVELA.

Concepts and grounding

A world model needs agreed definitions. Without them, “customer,” “site,” or “active” mean different things in different systems. A semantic layer defines concepts, resolves entities, evidence-backs claims, and governs conflicts.

Project: GNOSIVELA.

Possible worlds

A world model describes what is. A simulation explores what could be. A governed experiment defines worlds, scenarios, perturbations, controls, and seeds, then produces evidence that can be compared and verified.

Project: PEIRAVELA.

Why it matters for agents

  • Shared context. Agents, planners, and humans reason over the same state.
  • Grounded decisions. Claims carry evidence instead of confident prose.
  • Safe experimentation. High-risk changes can be tested in a possible world before they touch the real one.
  • Auditability. The history of beliefs is part of the record.

A caution

A world model is only as good as its ingestion and governance. A twin that silently accepts every assertion is a very expensive dashboard. Evidence, conflict handling, and freshness are not optional.