2009 when it suddenly plunged into the ocean killing 152 people. Bahia was somehow ejected from the plane and, despite the fact she couldn’t swim, found a piece of wreckage to cling on to. The crash occurred at 1:50am on a moonless night, so Bahia was in pitch blackness...
Each POI was allocated to one of six land use types, and each zone was allocated a set of land use weights based on the number of POI check-ins for the POIs in that zone. Trip purpose was then inferred from trip time linked to the land use at the origin and destination zones using...