Links and Resources
1. WPS overview
The Web Processing Service allows for distributed processing of geospatial (and any other) data, remotely from the client, at a server.
The current WPS specification is available from http://docs.opengeospatial.org/is/14-065/14-065.html
http://cite.opengeospatial.org/pub/cite/files/edu/wps/text/basic-main.html