Patent ID: 6101496
Filing Date: 2000-08-08
Classification: G01C,Y10S

Abstract:
A method for improving a geocoded database comprising the steps of:comparing a first set of geocoded database records to second set of records containing inherent geographic information,said first set of records each comprising a first number of data fields including data representing an identification of a geographic location corresponding to the record and data representing one of two or more geographic centroids representative of geographic areas including the location, said centroids from a centroid with highest precision to a centroid with lowest precision;said second set of records comprising inherent geographically ordered data fields where said data represents a unique identification of a geographic location and the proximity of one record of one location to other records at other geographic locations and one or more data fields corresponding to the data fields of the records in the first set;generating a plurality of matches where a record in the first set has a data field that matches a data field of a record in the second set;sorting the matched sets by the centroids of the first set of records;selecting matched sets with the highest precision centroids;adding the geographically ordered data fields of the second set to the records matched in the first set to generate a third set of records.