| This query service returns the location of a particular spatial thing in terms of the regions or areas it is located in. For example, an analyst may want to know the region an erathquake is located in. Given the transitive composition of the 'isLocatedIn' predicate, this query may return multiple regions, so it may useful to restrict the output of this query to the immediate region in which a thing is located or to allow the analyst to specify the number of levels of the location hierarchy to be returned by the query. The input to this query is a spatial thing, the output is a list of regions or areas. The service should also accept an integer value to restrict the number of regions returned in terms of a hierarchical representation of sub-located regions formed by the transitive composition of the 'isLocatedIn' predicate. |