Assertion: borough's boundary | /r/HasProperty | retained as basis
Facets:
value: until the 2002 revision
type: TEMPORAL
Source sentences:
text: Until the 2002 revision, the historic boundaries of Hackney and Stoke Newington were retained as a basis for the sub-division of the borough into wards, though the boundary between Hackney and Shoreditch was not re-used to the same degree.