1. A method comprising: obtaining a plurality of occupancy location identifiers for an individual from one or more sources; obtaining an age of each of the plurality of occupancy location identifiers; assigning, by one or more computer processors, a weight point to each of the plurality of occupancy location identifiers based on the obtained age of each of the plurality of occupancy location identifiers and a relative trustworthiness of the source from which each of the plurality of occupancy location identifiers was obtained; determining, by the one or more computer processors, a confidence score for each of the occupancy location identifiers based on the assigned weight point of each of the plurality of occupancy location identifiers; and determining a present status of each of the plurality of occupancy location identifiers based on the determined confidence score.