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IBM Rational Application Developer V6 Portlet Application Development and Portal Tools by Ryan Wilson, Gianfranco Rutigliano, George Kroner, Belen Gonzalez, Karla Galvan, Cristiano Cesario, Juan R. Rodriguez

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1.1. Portal evolution

As J2EE technology has evolved, much emphasis has been placed on the challenges of building enterprise applications and bringing those applications to the Web. At the core of the challenges currently being faced by Web developers is the integration of disparate user content into a seamless Web application and well-designed user interface. Portal technology provides a framework to build such applications for the Web.

If we take a step back in time to the original PC days when each application took up the entire screen and used all the computer’s resources, we see that the advent of using windows revolutionized the way we interacted with our desktop. A user no longer had to close one application to interact with another. ...

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