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Temporary event zones
TemporalAd-hoc geofences for a limited-duration event (a festival, stadium concert, disaster-response zone) exist only for a narrow time window; applying that geography outside its valid window either misses the event or wrongly attributes unrelated activity to it.
Detection
Query time range extends beyond the event zone's declared start/end timestamps.
Mitigation
- Attach explicit start/end timestamps to every event-zone geometry and enforce them at query time
- Auto-expire event geofences from active targeting/reporting configs after the event ends
Affected conversions
- PolygonH3 (intersects)
- Point+radiusH3