Geolocation Frances Ho

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

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 Methods

 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 Geotagging

 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 Geocoding

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

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

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

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

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

 Pros  Easy-access info  Thousands of apps  Easy communication  Cons  Privacy  Awareness  Spam Pros & Cons

    101_how_it_works_the_apps_and_your_privacy.html 101_how_it_works_the_apps_and_your_privacy.html  es/f/ip_location.htm es/f/ip_location.htm Sources

   101_how_it_works_the_apps_and_your_privacy.html  es/f/ip_location.htm Further Reading

Any Q’s?