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Location,Location,Location
Patrick Malatack
Geospatial Web
Background infoTwo articlesMay and June 2005
Right after Google Maps was launched (february 2005)
Before Google Earth free releaseBefore Virtual Earth etc.Around the time of google local
Geospatial Web Needs?
Identifies 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 handhelds4) Tools for mobile development5) Standards!… Please
Geospatial Web Needs?
6) Location Privacy7) Free open access to public
geodata8) Search engine for geodata9) Means to prevent geospam10) Funding for cool projects
Design: Geospatial Web
Follow up article- How location awareness is
used- Location UI’s
- Anything using Coordinates
- Collaborative Mapping- Blogging for Geospatial Web?
Location Systems for Ubiquitous Computing
August 2001…Provide Taxonomy of Location
Systems- Help developers choosing and
using location devices
Terminology of Location Systems
Position type- Symbolic vs Physical
- Abstract idea (in class) vs Lat/Lon
- Absolute vs Relative- GPS vs beacons or bluetooth
Location computation- Does location system know
where you are?
Terminology of Location Systems
Accuracy- How close to the accurate
position the system says you are
Precision- How often it is accurate… 99%?
Survey of Location Systems
QuickTime™ and aTIFF (LZW) decompressor
are needed to see this picture.
Survey of Location Systems
QuickTime™ and aTIFF (LZW) decompressor
are needed to see this picture.
QuickTime™ and aTIFF (LZW) decompressor
are needed to see this picture.
Survey of Location Systems
QuickTime™ and aTIFF (LZW) decompressor
are needed to see this picture.
QuickTime™ and aTIFF (LZW) decompressor
are needed to see this picture.
Expanding the Horizons of Location Aware Computing
Paper introducing the section on Location based computing
August 2001…- Continually say the time is near- We will get restaurant
recommendations on our phones
- Still not there yet
Optional Readings
“PlaceLab”- Intel Research- Placelab.org- Database of Hotspots
- Use existing hotspot info
- Figure out current location- Good where GPS isnt
Recommended