Initiative 1
Accuracy of Spatial Databases (1998-1990)
Michael Goodchild

Initiative 2
Languages of Spatial Relations (1989-1991)
David Mark

Initiative 3
Multiple Representations (1989-1991)
Barbara Buttenfield

Initiative 4
Use & Value of Geographic Information (1989-1992)
Hugh Calkins & Harlan Onsrud

Initiative 5
Large Spatial Databases (1989-1992)
Terence Smith & Andrew Frank

Initiative 6
Spatial Decision Support Systems (1990-1992)
Michael Goodchild & Paul Densham

Initiative 7
Visualization of Spatial Data Quality (1991-1993)
Kate Beard & Barbara Buttenfield

Initiative 8
Formalizing Cartographic Knowledge (1993-)
Barbara Buttenfield

Initiative 9
Institutions Sharing Geographic Information (1992-)
Harlan Onsrud & Gerard Rushton

Initiative 10
Spatio-Temporal Reasinong in GIS (1993-)
Max Egenhofer & Reginald Golledge

Initiative 11
Cancelled

Initiative 12
Integration of Remote Sensing & GIS (1990-1993)
Frank Davis, John Estes & Jeffrey Star

Initiative 13
User Interfaces for GIS (1991-1993)
David Mark & Andrew Frank

Initiative 14
GIS & Spatial Analysis (1992-1994)
Stewart Fotheringham & Peter Rogerson

Initiative 15
Multiple Roles for GIS in U.S. Global Change Research (1994-)
Kate Beard, John Estes, Tim Foresman, Michael Goodchild,
Jenny Robinson & Kenneth McGwire

Initiative 16
Law, Information Policy & Spatial Databases (1994-)
Harlan Onsrud & Robert Reis

Initiative 17
Collaborative Spatial Decision-Making (1994-)
Paul Densham, Marc Armstrong & Karen Kemp

Initiative 18
Changed to a conference

Initiative 19
The Social Implications of How People, Space &
Environment are Represented in GIS (1995-)
Trevor Harris & Daniel Weiner

Initiative 20
Interoperating GIS's (1996-)
Max Egenhofer & Michael Goodchild

Initiative 21
Formal Models of the Common-Sense Geographic World (1996-)
David Mark & Max Egenhofer