Geospatial Web Services:An Evolution of
Geospatial Data Infrastructure
Athanasios Tom KralidisDepartment of Geography and Environmental Studies
Carleton University07 February 2005
Sections
Background and Progress of Thought Importance of Thesis Key Areas Future Research
Background and Progress of Thought
Undergraduate Degree (York University)• Urban / Social Geography
GIS and Technology (Algonquin College)• GIS applications and technology
Professional (CGDI)• Data Handling• Internet Mapping
Graduate Degree (Carleton University)• Geospatial Data Infrastructure• Interoperability• Web Services
Importance of Thesis
New Approach of Geospatial Data Handling Paradigm Shift Focus on
• Data Access
• Data Handling
• Data Integration
• Internet Enabling with Geospatial Web Standards
Academic Arena
Early work
Progress
owsview
Two Tier Approach
Application
Data
Three Tier Approach
Services
Applications
Data
Benefits and Challenges
Benefits• Flexible
• Plug-and-Play
• Consistent
• Just-in-Time
• Ubiquitous
• Lowered Cost/Buy-in
• Enables Authority
• Multi-Vendor
Challenges• Supportive Policy
• Change / Adaptation
• Performance / Failover
• Advanced Processing
• Digital Rights
Future Research
Semantics Uptake in Organizations Communities (supply vs. demand) Geoprocessing Digital Rights Human Resource Issues (GIS vs. IM/IT)
Conclusion
Questions Comments
Thanks!