Chapter 6. Reusing Presentation Layers via Web Services for Remote Portlets
The primary goal of a portal is to stimulate collaboration and enhance efficiency by offering access to people as well as to a collection of content and application services. Gaining personalized access to information, applications, processes, and people is achieved via a single interface: the portal interface.
When building a portal, you need to determine what information your organization needs and where this information comes from. Typically, portals obtain information from local or remote data sources such as databases, transaction systems, syndicated content providers, or remote web sites. Portals render and aggregate this information into portal pages.
A portal page ...