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Seminar on Mobile GIS

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What is GIS?

GIS = Geographic Information System
Links databases and maps
Manages information about places
Helps answer questions such as:
Where is it?
What else is nearby?
Where is the highest concentration of ‘X’?
Where can I find things with characteristic ‘Y’?
Where is the closest ‘Z’ to my location?

What is mobile?

Mobile is the ability to be on the move.
Mobile features:
Ubiquity (primary advantage)
Reachability
Localization
Personalization
Dissemination

What is LBS?

LBS = Location-based Services
“A wireless-IP service that uses
geographic information to serve a mobile
user. Any application service that
exploits the position of a mobile
terminal.” [OGC, 2005]

Challenge?

Mobile device constraint
LBS is still not a mass market technology
Very little GPS enabled phone
Difficult to access to other technologies (CellId,…)
User generated content needs critical mass to be
interesting
It’s not easy to create content on mobile
Device fragmentation
Data prices
Privacy
etc.

What is Java ME?

Java ME =
Java Micro Edition
It just means Java
for small devices
Borned in 1999
Java ME is not
A specific set of software
A specific set of APIs
Java ME is divided in configurations and profiles
These provide specific information for a
group of related devices


JVNMobileGIS

A cross-platform mobile
map viewer developed
with Java ME technology.
Support fetching map
data from remote server
to view on mobile device.
Follow OGC (Open
Geospatial Consortium -
http://www.opengeospati
al) and JCP (The
Java Community Process
- http://jcp)
specifications.