skills/movement-trajectory/references/authoritative-sources.md

# Authoritative sources

- Last verified: 2026-07-19
- Review cadence: every 6 months
- Refresh triggers: OGC Moving Features revision, MovingPandas major release, or privacy policy change

## Canonical sources

- [OGC Moving Features standard](https://www.ogc.org/standard/movingfeatures/) — interoperable representation of moving-object observations.
- [MovingPandas documentation](https://movingpandas.org/) — trajectory construction, splitting, stops, and aggregation.
- [NIST Privacy Framework](https://www.nist.gov/privacy-framework) — privacy-risk governance for individual-level movement data.

Record sampling rate, timezone, object identity rules, gap thresholds, map-matching source, aggregation, and disclosure controls. Reassess privacy for every release context.