Dublin, May 5 th 2006 Dr. Michela Bertolotto School of Computer Science and Informatics, UCD Funded...
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Dublin, May 5 th 2006 Dr. Michela Bertolotto Dr. Michela Bertolotto School of Computer Science and Informatics, UCD School of Computer Science and Informatics, UCD Funded by: Funded by: Advanced Technologies Research Programme Advanced Technologies Research Programme CoMPASS CoMPASS Combining Mobile Combining Mobile Personalised Applications Personalised Applications with Spatial Services with Spatial Services
Dublin, May 5 th 2006 Dr. Michela Bertolotto School of Computer Science and Informatics, UCD Funded by: Advanced Technologies Research Programme CoMPASS
Dublin, May 5 th 2006 Dr. Michela Bertolotto School of Computer
Science and Informatics, UCD Funded by: Advanced Technologies
Research Programme CoMPASS Combining Mobile Personalised
Applications with Spatial Services
Slide 2
Dublin, May 5 th 2006 Spatial data (Geo-)Spatial
data:(Geo-)Spatial data: data with an associated spatial location
80% of all available data has a spatial component80% of all
available data has a spatial component FormatsFormats Raster vs
Structured (vector) data
Slide 3
Dublin, May 5 th 2006 Maps in mobile GIS and LBS Most
commercially available mobile systems: Transmission of raster maps
Transmission of raster maps (easy to compress but not as versatile)
Standard content (no personalisation): Standard content (no
personalisation): - information overload - low relevance
Slide 4
Dublin, May 5 th 2006 CoMPASS : research issues and innovations
1.Multiresolution maps and progressive transmission transmission of
vector maps users start working with coarser version
Slide 5
Dublin, May 5 th 2006 Progressive transmission
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Dublin, May 5 th 2006 Progressive transmission
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Dublin, May 5 th 2006 Progressive transmission
Slide 8
Dublin, May 5 th 2006 CoMPASS : research issues and innovations
2.Personalisation -Creating and updating user profiles -Implicit
profiling: capturing user interactions with the map (turn on/off
layers, zoom in/out, etc.) -Improved relevance and readability
Slide 9
Dublin, May 5 th 2006 Personalised maps
Slide 10
Dublin, May 5 th 2006 Personalised maps
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Dublin, May 5 th 2006 Personalised maps
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Dublin, May 5 th 2006 Personalised maps
Slide 13
Dublin, May 5 th 2006 CoMPASS : research issues and innovations
3.Intuitive GUI (full functionality on Tablet PC) Multimedia
annotations Multi-modal interaction (pen and voice)
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Dublin, May 5 th 2006 Multimedia annotations
Slide 15
Dublin, May 5 th 2006 Technologies Oracle Spatial Database and
Application ServerOracle Spatial Database and Application Server
Java application programs and JDBCJava application programs and
JDBC OpenMap InterfaceOpenMap Interface ViaVoiceViaVoiceVideo
Dublin, May 5 th 2006 Personalisation: task completion time NP
: tasks completed with non-personalised maps PP : tasks completed
with maps personalised based on user interaction Personalisation
improves efficiency (up to 50%)
Slide 20
Dublin, May 5 th 2006 Personalisation: layer actions
Non-personalised mapsPersonalised maps Personalised maps require
fewer layer actions (further reduced as users complete more
tasks)
Slide 21
Dublin, May 5 th 2006 Multi-modal interaction: results
Multi-modal input capabilities can improve user interaction speed
(up to 30%) unimodal multimodal
Slide 22
Dublin, May 5 th 2006 Related research MEMS: Mobile
Environmental Management System Objective: Deliver text-based field
data sheets used by scientists of the Canadian Department of
Fisheries and Ocean Plus additional multimedia information to a
spatially-enabled DB with mobile access
Slide 23
Dublin, May 5 th 2006MEMS Digital Photos, Maps, etc. Oracle
Spatial + Text-based info
Dublin, May 5 th 2006 Geo-Spatial Imagery Sets of pixels e.g.
satellite images, aerial photos, scanned maps e.g. satellite
images, aerial photos, scanned maps
Slide 27
Dublin, May 5 th 2006 Vector Geo-Spatial Data Sets of spatial
entities (points, lines, regions) and spatial relations e.g.
geographic maps, digital terrain models, etc. e.g. geographic maps,
digital terrain models, etc.