1. Geospatial Web Services: An Evolution of Geospatial Data Infrastructure Athanasios Tom Kralidis Department of Geography and Environmental Studies Carleton University 07 February 2005

2. Sections Background and Progress of Thought Importance of Thesis Key Areas Future Research

3. 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

4. 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

5. Early work

6. Progress

7. owsview

8. Two Tier Approach

9. Three Tier Approach

10. 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

11. Future Research Semantics Uptake in Organizations Communities (supply vs. demand) Geoprocessing Digital Rights Human Resource Issues (GIS vs. IM/IT)

12. Conclusion Questions Comments Thanks!