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    • A PERMIS-based authorization solution between portlets and back-end web services 

      Barahona, Sofia Brenes; Fox, Geoffrey; Huffman, Kianosh; McMullen, Donald; Pierce, Marlon; Yin, Hao (2006)
      A portal is a Web-based application that acts as an entry point to distributed resources. Individual portlets in a portal can be used to integrate information from a variety of back-end Web services. However, when Web ...