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!