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Geolocation

Geolocation. Frances Ho. What is it?. 35°55′44″N 79°2′22″W. The identification of the real-world location of an object. Methods. Time Difference of Arrival (TDOA) GPS/A-GPS Associating geographic locations with IPs, MAC Addresses, RFIDs, GPS device, Wi-fi locations, etc.

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Geolocation

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  1. Geolocation Frances Ho

  2. What is it? 35°55′44″N 79°2′22″W The identification of the real-world location of an object.

  3. Methods • Time Difference of Arrival (TDOA) • GPS/A-GPS • Associating geographic locations with IPs, MAC Addresses, RFIDs, GPS device, Wi-fi locations, etc. • Started in 1999

  4. Geotagging Adding geolocation data to various media: photos, videos, websites, RSS feeds, SMS messages, etc. Built-in/Standalone GPS GPS Chip GeoSMS – I Am Here GeoURL

  5. Geocoding Adding geographical information to streets, zip codes, etc. from already recognized geographic data in a Geographic Information System (GIS) Google Maps Bing Maps Yahoo! PlaceFinder

  6. Location Based Services Criminal Investigations/Fraud Detections Geo-marketing/Target Content Regional Licensing Social Networking Games

  7. LBS Applications: Geo-Social Networking Allows user interaction relative to their location Ad-hoc Networking Paperless Ticketing Social Networks

  8. LBS Applications: Location-Based Games Game-play evolves based on a player’s location Time/Player Based Geo-caching Turf Wars VirtualPunk SidewalkSquirrel

  9. LBS Applications: Google Latitude Share your current location with friends Share status updates Communicate through texts and calls Facebook Twitter FourSquare

  10. Geolocation APIs Google Geolocation W3C Geolocation API HTML5 Mozilla Geode Twitter Fire Eagle SkyHook

  11. Pros & Cons • Pros • Easy-access info • Thousands of apps • Easy communication • Cons • Privacy • Awareness • Spam

  12. Sources http://en.wikipedia.org/wiki/Geolocation http://en.wikipedia.org/wiki/Location-based_service http://en.wikipedia.org/wiki/Geocoding http://www.pcworld.com/article/192803/geolocation_101_how_it_works_the_apps_and_your_privacy.html http://compnetworking.about.com/od/traceipaddresses/f/ip_location.htm

  13. Further Reading http://en.wikipedia.org/wiki/Geolocation http://en.wikipedia.org/wiki/Location-based_game http://www.pcworld.com/article/192803/geolocation_101_how_it_works_the_apps_and_your_privacy.html http://compnetworking.about.com/od/traceipaddresses/f/ip_location.htm

  14. Any Q’s?

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