Web-Enabled World
The interest in POAI is driven by the widespread acceptance of the Web as a common platform for e-Business. Today, we purchase products over the Web, update our bank accounts over the Web, even find romance over the Web. Why not exchange information between trading partners over the Web as well?
The notion of POAI has gone through many generations, including single-system portals, multiple-enterprise-system portals, and now, enterprise portals (also known as digital exchanges).
Single-System Portals
Single-system portals, as you might expect, are single enterprise systems that have their user interfaces extended to the Web (see Figure 5.2).
Figure 5.2. Single-system portal.
A number of approaches exist to create a portal for ...
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