The Nature of Geographic Information

9. Applications beyond the Census Bureau


Two characteristics of MAF/TIGER data, address range attributes and explicit topology, make them, and derivative products, valuable in many contexts. Consequently, firms like NAVTEQ and Tele Atlas (now owned by TomTom) emerged to provide data with similar characteristics as MAF/TIGER, but which are more up-to-date, more detailed, and include additional feature classes. The purpose of the next section is to sketch some of the applications of data similar to MAF/TIGER data beyond the Census Bureau.

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A February 2006 article by Peter Valdes-Dapena in describes the work of two NAVTEQ employees. See the link above or search on "where those driving directions really come from."