entity_periods: ENT_ALV_SEMAH, PER_ALEVI

Period assignments linking entities to the historical periods when they are attested. An entity may span multiple periods. All Greek entities are assigned; Egyptian tradition is fully covered; total coverage exceeds 70%.

This data as json

entity_id	period_id	confidence	rationale	source_id	review_status
ENT_ALV_SEMAH	PER_ALEVI	high	The ritual turning movement performed during the cem, understood as imitating the turning of the Forty and the cosmos. UNESCO-recognized; publicly attested. Birge.	SRC_BIRGE_BEKTASHI	reviewed