Geospatial Web ZBackground info ZTwo articles ZMay and June 2005 ZRight after Google Maps was launched (february 2005) ZBefore Google Earth free release ZBefore Virtual Earth etc. ZAround the time of google local
Geospatial Web Needs? ZIdentifies 10 major needs -Are we there yet? -What do we need to get their? -Who needs to setup to move geospatial web along?
Geospatial Web Needs? 1)Cheap reliable mobile broadband 2)Cheap reliable, privacy observant geolocation infrastructure 3)Better cheaper handhelds 4)Tools for mobile development 5)Standards!… Please
Geospatial Web Needs? 6) Location Privacy 7) Free open access to public geodata 8) Search engine for geodata 9) Means to prevent geospam 10) Funding for cool projects
Design: Geospatial Web ZFollow up article -How location awareness is used -Location UI’s -Anything using Coordinates -Collaborative Mapping -Blogging for Geospatial Web?
Location Systems for Ubiquitous Computing ZAugust 2001… ZProvide Taxonomy of Location Systems - Help developers choosing and using location devices
Terminology of Location Systems ZPosition type -Symbolic vs Physical -Abstract idea (in class) vs Lat/Lon -Absolute vs Relative -GPS vs beacons or bluetooth ZLocation computation -Does location system know where you are?
Terminology of Location Systems ZAccuracy -How close to the accurate position the system says you are ZPrecision -How often it is accurate… 99%?
Expanding the Horizons of Location Aware Computing ZPaper introducing the section on Location based computing ZAugust 2001… -Continually say the time is near -We will get restaurant recommendations on our phones -Still not there yet
Optional Readings Z“PlaceLab” -Intel Research -Placelab.org -Database of Hotspots -Use existing hotspot info -Figure out current location -Good where GPS isnt