The Evidence Graph.
A property is not a paragraph — it's a network of claims, each with a source, a confidence and a set of gaps around it. The Evidence Graph is how STRATAFORM represents that network.
Nodes
Nodes are claims: an asking price, an intended use, a cadastral identifier, an ownership statement, a document reference, a jurisdictional constraint. Each node carries the raw content and the parsed structure.
Edges
Edges connect claims to sources, and claims to other claims. A price stated in a listing edges to the listing; the listing edges to the platform; the platform edges to a reliability class. A cadastral reference edges to the document it came from and to the entities it names.
Confidence
Every claim carries a confidence score derived from source class, corroboration and internal consistency. Confidence never becomes certainty — it becomes visible.
Gaps
The graph explicitly represents what is missing. A missing title deed, a missing energy certificate, a missing seller identity are first-class nodes with their own status.
Why it matters
Because a Property Decision Dossier that cannot be audited is not decision support. The Evidence Graph is what makes the dossier reviewable by a human and traversable by an agent.