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IBM Journal of Research and Development  
Volume 43, Number 2, Page 420 (2004)
WebSphere Application Server
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WebSphere Portal: Unified user access to content, applications, and services

by R. Will, S. Ramaswamy, T. Schaeck
Portals provide end users with unified access to content, applications, and collaboration services in a highly personalized manner. WebSphere Portal provides a middleware framework and tools for building and managing portals using component applications called portlets. In this paper we provide an overview of WebSphere Portal and describe its role in modern information technology systems. We describe its high-level architecture and main features, we detail some of its advanced features, and we outline directions for its future development.
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