1.
Location-Based-Service Roaming base on Web Services Presenter:Chen Jen

2.
Outline <ul><li>Introduction </li></ul><ul><li>System Architecture </li></ul><ul><li>Conclusion </li></ul>

3.
Introduction <ul><li>LBS is called Location Based Services </li></ul><ul><ul><li>User service </li></ul></ul><ul><li>LCS is called Location Services </li></ul><ul><ul><li>Location information services </li></ul></ul><ul><li>LBS works under Web Services environment </li></ul>

4.
System Architecture <ul><li>Architecture </li></ul><ul><li>Operation Model </li></ul><ul><li>Roaming </li></ul>

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Architecture <ul><li>Location Service (LCS) </li></ul><ul><li>Geographic Information System (GIS) </li></ul><ul><li>Location Based Service (LBS) </li></ul><ul><li>UDDI Registry </li></ul><ul><li>LBS Client </li></ul>

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Architecture – LCS Service <ul><li>Accept Request </li></ul><ul><li>Estimate location </li></ul><ul><li>Return location </li></ul><ul><li>Security </li></ul><ul><li>Billing </li></ul>

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Architecture – GIS Provider <ul><li>Return geographical information with standardized format </li></ul><ul><li>GIS is professional </li></ul><ul><li>Build GIS as Web Services </li></ul>

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Architecture – LBS Provider <ul><li>User service </li></ul><ul><li>Receive client request </li></ul><ul><li>Integrate LCS, GIS, or other </li></ul>

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Architecture – UDDI Registry <ul><li>A critical role </li></ul><ul><li>Like phone book for web services </li></ul><ul><li>Register GIS, LCS, LBS, or other service </li></ul><ul><li>Interoperability between provider and clients </li></ul>

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Architecture – LBS Client <ul><li>Generate in design time or run time </li></ul><ul><li>Personal device is run-time environment </li></ul><ul><li>Client specify essential information </li></ul><ul><ul><li>Identity </li></ul></ul><ul><ul><li>Password </li></ul></ul><ul><ul><li>Located object </li></ul></ul>

11.
Operation Model

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Roaming

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Conclusion <ul><li>Integration model as Web services </li></ul><ul><li>Tele-operator pay attention only to LCS and network providers </li></ul><ul><li>LBS handle third-party service providers </li></ul><ul><li>They share mutual profit. </li></ul>