OutlineIntroduction
Motivation
System architecture -- digital campus LBS
Implementation
Conclusions
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IntroductionLocation-Based Services (LBS) Spatial Data Warehouse: Dataset containing features from a
defined area localization and Guidance:
Where is the user, where does he want to go?
User Interface: How the information is delivered to the user
3
IntroductionGeographic information system (GIS)WebGISIntegration the relative of Geographic
information and database Storing, analyzing, updating and displaying
geographically referenced information
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MotivationSpatial information share
Integration of information space and physical space
Interactive relationship between human and computer.
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Grid GIS data organization and accessmechanism
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provides technological support for coordinating the collection management, distribution and share of the basic geographical spatial data
System architecture -- digital campus LBS
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real-time location, query and navigation of
important locations query and navigation of important persons and real-time release of important information, etc.
mobile service terminal GPS location moduleCPU control core moduleZigBee location communication moduleGPRS communication module
Implementation
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four main characteristics:1) expandability2) self-adaption3) compatibility4) validity