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Hiding the Complexity of Location-based Services
Matthias Böhmer, Gernot Bauer, Wolfgang WichtMünster University of Applied Sciences
April 4, 2009
Workshop on Location and the Web (LocWeb 2009)
CHI2009, Boston, MA, USA, April 4-9, 2009
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1) Introduction
2) Solution Approach
3) Conclusion
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1) Introduction
2) Solution Approach
3) Conclusion
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Technological Level
Geographic positioning technologies becomemore and more common in mobile devices
Mobile connectivity gets cheaper, faster and more reliable
Infrastructure for ubiquitous computing is available
Application level
Demand for mobile services increases
Provisioning of mobile services is reserved to professionals
Utilization is too complicated for end-users
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Current Situation in Mobile Computing
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Location-based Service
Application, carrying a value to its user
Relevant and available at a certain location
Complexity
Proprietary development work, expert knowledge
Effort for download, installation, and configuration
Hiding the Complexity
Simplifying the life cycle of location-based services
Complexity of Location-based Services
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1) Introduction
2) Solution Approach
3) Conclusion
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Simplification along the Life Cycle of LBS
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Widgets
Concept borrowed from the web
Lightweight, self-contained applications
User interface and functional logic
Widgets as LBS
Applications for mobile utilization
Contextual binding (location)
Semantic binding (tagging)
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Widgets for Location-based Services
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Requirements
Useable for the common internet user
No need for specialized knowledge
Easy and intuitive development environment
Building blocks for user interface and functional logic
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Authoring Toolkit for User-driven Provision
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Authoring Toolkit for User-driven Provision
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Context-aware Utilization
Filtering by Location
Low-level context
Spatial relevance
Problem of choice overload
Profile-based Filtering
High-level context
Semantic relevance
Tag based
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Context-aware Utilization
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1) Introduction
2) Solution Approach
3) Conclusion
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Examples
Location-based surveys (text, media, survey form)
Mobile avatar (contact form, news feed, guest book)
Advertising
Possibilities
Combination of existing building blocks
Modifying existing widgets
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Use Cases and Scenarios
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Current Results
User-generated location-based services
Location-aware and personalized mobile user interface
LBS 2.0
Future Work
More functionality and building blocks for widgets
Delve deeper into context-awareness
User study and evaluation
Using web technologies on mobile phones
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Current Results and Future Work
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Thank you for your attention!Matthias Böhmer, Gernot Bauer, Wolfgang Wicht
matthias.boehmer@fh-muenster.dewww.se.fh-muenster.dewww.procomo.org