Spatial Representations and Spatial Data Infrastructures

An Internet-based service that allows clients to conduct data manipulation on geographic features, allowing for querying, retrieval and transactional (i.e., add, update or delete) operations. The WFS conforms to the OpenGIS Web Feature Server Interface specification.

A Web application that provides standardized application programming interfaces to allow remote access to data and functions over the Internet.

Self-contained, self-describing, modular applications that can be published, located and invoked across the Web. Web services perform functions that can be anything from simple requests to complicated business processes. Once a Web service is deployed, other applications (and other Web services) can discover and invoke the deployed service.