Multi-Agent System Ontology

Vectorized semantic representation attached to execution artifacts.

Common parent for elements in the semantic layer: derived representations of session/state meaning, such as embeddings and semantic groupings.

Group of sessions that share a common semantic topic, formed by clustering session embeddings. May itself be grouped into a parent SemanticGroup, forming a hierarchy.

What one Transition added to (or changed in) the running trajectory context of its session: the evidence, claims, intents, work units and provenance links derived from it. Replaying the TrajectoryContexts of a session's Transitions in trajectory order rebuilds the context at any point. Each constituent (evidence, claims, intents, work units, provenance links, coordination events, flags, final answer) is its own property and is only present when the Transition contributed it. Example: TrajectoryContext_001, attached to Transition_001 via :hasContext, holds the claims and evidence derived from the call Transition_001 represents.

Claims the Transition added to the context: JSON list of agent assertions, completion claims and tool results, each with its absolute index, agent and evidence references.
Domain: TrajectoryContext
Range: string

MAS contains this SemanticGroup.
Domain: MAS
Range: SemanticGroup

SemanticGroup contains this Session or nested SemanticGroup (hierarchical clustering).
Domain: SemanticGroup
Range: n344c7f5b45ee47adbfbbed5e7378a233b1

Coordination events (assignment, handoff, synthesis, ...) the Transition added: JSON list.
Domain: TrajectoryContext
Range: string

Vector dimensionality.
Domain: Embedding
Range: integer

Model identifier used to compute the underlying embedding.
Domain: Embedding
Range: string

The embedding vector, stored as a string array of floats.
Domain: Embedding
Range: string

Evidence the Transition added to the context: JSON list of facts (policy rule, tool output, user statement, agent handoff, runtime feedback), each with its absolute index, source, agent, outcome and the intents it relates to.
Domain: TrajectoryContext
Range: string

Text of the final answer, when this Transition set or changed it.
Domain: TrajectoryContext
Range: string

Flags the Transition raised on the trajectory: JSON list.
Domain: TrajectoryContext
Range: string

Transition contributed this trajectory context (Transition → TrajectoryContext). At most one per Transition.
Domain: Transition
Range: TrajectoryContext

The medioid (most representative) Session of this group.
Domain: SemanticGroup
Range: Session

Intents the Transition introduced or changed: JSON list of user, policy or delegated intents with their absolute index, status, owners and dependencies.
Domain: TrajectoryContext
Range: string

Number of sessions in this group.
Domain: SemanticGroup
Range: integer

Stable hash of this group's session membership, used as a dedup/identity key.
Domain: SemanticGroup
Range: string

Provenance links the Transition added between context artifacts: JSON list (for example evidence supporting a claim).
Domain: TrajectoryContext
Range: string

Link from a State to its embedding instance.
Domain: Embedding
Range: State

Clustering distance threshold at which this group was split from its parent group.
Domain: SemanticGroup
Range: double

Work units (delegated pieces of work) the Transition introduced or changed: JSON list with absolute index, owner, outcome and source calls.
Domain: TrajectoryContext
Range: string