The interdisciplinary study of coordination
ACM Computing Surveys (CSUR)
Turning Web Applications into Portlets: Raising the Issues
SAINT '05 Proceedings of the The 2005 Symposium on Applications and the Internet
Standards for Second-Generation Portals
IEEE Internet Computing
Improving portlet interoperability through deep annotation
WWW '05 Proceedings of the 14th international conference on World Wide Web
Enhancing Presentation Level Integration of Remote Applications and Services in Web Portals
SCC '05 Proceedings of the 2005 IEEE International Conference on Services Computing - Volume 02
Event-based distributed workflow execution with EVE
Middleware '98 Proceedings of the IFIP International Conference on Distributed Systems Platforms and Open Distributed Processing
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Presentation level integration now becomes an important and fast growing trend in enterprise computing and portals are the mainstream to realize it. However, there is not yet a definitive mechanism to achieve interoperability between the basic components of a portal i.e. portlets, whereby HTML data flows smoothly from one portlet to a neighboring one. This paper proposes an HTML fragments based approach to achieve portlet interoperability. Fragments are a block of HTML elements, which are generated by portlets and are used to aggregate a portal page. We first construct a presentation component, which is named as ShadowComponent, for each portlet involved in a portlet interoperation using its fragments, then define a data flow process between ShadowComponents using ECA rules, and finally drive such a process by creating events to fulfill data flow between ShadowComponents. As the fragments of a portlet are synchronized with their corresponding Shadow Component, such a process enables the portlet interoperation. Experimental results show that the proposed approach is effective in achieving portlet interoperability in portals.