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Mobile Location Services: The Definitive Guide by Andrew Jagoe

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Real-Time Attribute Editing

A map database is a static snapshot. In the real world, conditions change constantly: Roads become congested, new roads are built, roads are converted to one-way traffic, and toll roads are added. There are many changes that impact users of mobile location service applications. Traffic conditions might make a route generated from a route engine that is not traffic aware unusable. So how does spatial analysis software account for these changes?

Given that map database vendors only ship updates several times a year, a better method to make interim updates is needed. Although it would be quite challenging to add new spatial data, such as a new road, changing the values of the attributes associated with existing spatial ...

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