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Location-based services (LBS) belong to an emerging class of information services that cater its content to the geographic location of a user. Possible applications include navigation assistance, friend finding, and emergency response. Users are typically envisioned to be mobile and located by possessing a location-aware device, such as a cellular or mobile phone. The availability of location-aware devices is increasing; however, at the time of this writing, there is a limited number of compelling LBS offerings in the United States. Nonetheless, the potential adoption of LBS by a large segment of the population still remains likely, if not inevitable. This presents new opportunities and challenges for collecting, managing, and analyzing geographic information.

LBS Applications

The development of LBS thus far has coincided with advances in geographic information ...

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