Property graph model

A graph data model in which both nodes and edges carry typed labels and arbitrary key/value properties, distinct from the storage engine itself, and the shape trending object-oriented graph databases and this system's ontology store both adopt.

grounded in: Trend theme (2026-07-14 HN front page): object-oriented graph databases trending as the backbone for structured knowledge, mirroring the site's knowledge graph; the system stores its ontology as a lab