From portals to portlets

• Portlets provide the building blocks for portals

  • re-usable, display-oriented functional chunks

• Apache Jetspeed, IBM WebSphere Portal Server, Oracle Application Server Portal, ...

  • …but ongoing standardisation currently

• portlet approach being adopted by the RDN Subject Portal Project

  • portlets underpinned by Web services - cross-search, display news feed, ...
  • portlets can be embedded into institutional portals

• portlets will need registering in serviceregistry

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