Interoperable Web-based Geo-imagery Services

                 John D. Evans
      Massachusetts Institute of Technology

Disseminating digital geospatial data through an online service
can make it accessible to a more diverse user audience and to a
broader set of software clients. Indeed, several geo-imagery
servers at MIT are providing both a valuable public information
resource and a fruitful tesbed for interoperability research.
These servers have a streamed, modular architecture, and a
simple query interface that facilitates their integration into a
larger geo-computing context. They have seen widespread use by a
diverse audience, from experts to novices, for a broad range of
applications. And thanks to open interfaces, distributed online
services such as these will one day compose a global, seamless
resource that will provide customized geospatial information on
demand to any client or user. 

The presentation and demonstrations will sketch the design of
these services, their present and foreseen uses, and the
geoprocessing infrastructure they portend. 

(See recent submission to the Journal of Photogrammetric Engineering
and Remote Sensing, http://tull.mit.edu/jpers).