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The Expanding Role of GIS in Business and Government Spatial Data Infrastructure for Economic and Community Development Remarks by Prof. Joseph Ferreira, Jr . MIT, [email protected]. Technology-driven Issues and Trends. How ‘place’ is recorded, The usefulness of Administrative Records (AR), - PowerPoint PPT Presentation
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The Expanding Role of GIS in Business and Government
Spatial Data Infrastructure for Economic and Community
DevelopmentRemarks by
Prof. Joseph Ferreira, Jr. MIT, [email protected]
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <2>
Technology-driven Issues and Trends
• How ‘place’ is recorded,
• The usefulness of Administrative Records (AR),
• Changes in metropolitan information infrastructure,
• Implications for economic and community development
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <3>
How ‘place’ is recorded
• Old Way (1:250,000 scale)– County, city, SMSA, census tract– Standardized, federal datasets (Census, USGS,…)
• New Way (1:25,000 scale)– Census block and block-group, zip, Tiger– Geocoding addresses, Mapquest, GDT,…
• Next Way (1:2,500 scale)– Parcel, person, building, feature– GPS location, Ankle braclet, Community asset,…
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <4>
Usefulness of Administrative Records
• Traditional study strategy– Special surveys: census, activity report,
phone survey,…– Customized, cross-sectional ‘snapshot’
• Administrative Record alternative– Transactional records: registry of deeds,
building permit, DMV, housing court,…– Event-driven, hard-to-(re)use, voluminous
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <5>
Changes in Metro Information Infrastructure
• Rapid growth of standardized, spatially disaggregated, georeferenced data
• Progress in regional consistency (e.g., parcel data for metro Portland, OR, with consistent land use, zoning, valuation)
• Progress in Federally-supported ‘framework datasets’ (State & NSDI efforts, Enviromapper)
• Critical mass of networked, graphics/GIS capable workstations and Web servers
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <6>
Changes in Metro Information Infrastructure - BUT
• Hard to cross-reference all the data
• Many access/sharing/privacy issues
• Data centers can’t keep up (too much data, too many updates)
• E-government and Mapquest-like services are good but limited ‘automation’ efforts
• Must shift from ‘data center’ to ‘web services’ infrastructure
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <7>
Chaining Web Services
• Chained Web Services (virtual data centers)
• Isolated Data Centers
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <8>
Implications for CSS
• Virtual data centers (portals) can:– Tap administrative records more easily – provide cost-effective customized value-added
• But, they require different expertise, sophistication, partnerships
• And new methods for data access, privacy protection, cross-referencing, funding
Wharton Impact Conference, August 21, 2002 Joseph Ferreira, Jr. MIT <9>
Next Steps and References
• Organizational efforts and urban ‘testbeds’• Next-Generation Community Statistical Systems
conference: http://www.shimberg.ufl.edu/conference.html
• Paper: “Information Technologies that Change Relationships between Low-Income Communities and the Public and Non-profit Agencies that Serve Them” http://web.mit.edu/sap/www/colloquium96/papers/7ferreira.html