G39 — Event, venue, organizer, and time graph · Graph systems

171 words. Researched design, reviewed 2026-09-12: a library view or proposed design with its sources stated; not a deployed system, a live audit or a provider requirement. Source: Graph/G39-event-venue-organizer-and-time-graph.md. Graph systems, shelf 5 of 8; library release 2026.09.12-g40.

Status: NEW RESEARCHED DESIGN; not deployed
Reviewed: 2026-09-12
Nature: standards-backed library view
Priority: P3_IF_APPLICABLE
Accountability: R11, R13, R14

Question

Which real event occurs when and where, and who organizes it?

Nodes

Event occurrence; Series; Venue; Organizer; Performer; Offer

Relationship sketch

occurrence → venue/time
occurrence → organizer
series → actual occurrences

Evidence inputs

Actual event announcements, schedules, organizers, cancellations, venue facts, and ticket details.

Implementation

Track occurrences and status changes rather than treating a recurring event as one eternal date. Keep online locations, venues, and organizers distinct.

Acceptance checks

Dates and time zones match approved announcements
Cancelled or rescheduled status is retained
The page actually represents an event eligible for the selected feature

Do not infer

An organization's ordinary opening hours are not automatically an eligible Event.

Publication boundary

Approved event information public.

Source basis

S32. See Research/sources.json. Sources support the primitives or named technology. The organization, labels, actions, and acceptance contracts in this catalog are this library's design, not claimed provider requirements.