Method of organizing map data for affinity relationships and application for use thereof
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United States of America Patent
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Sep 28, 2010
Grant Date -
Sep 7, 2006
app pub date -
Mar 3, 2005
filing date -
Mar 3, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An affinity relationship index and a method for using it are disclosed. The affinity relationship index captures, for any given place name, an affinity to one or more potentially more important place names. Each such more important place subtends an affinity domain within which other places are deemed to lie. The index carries this on hierarchically and has the effect of creating a relatively meaningful and minimized structure that can be rapidly searched for a user's intended destination. An application uses these affinity domains to determine the instructions necessary to embark upon a guided journey rather than determining all instructions needed to complete the journey.
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