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Florian Alt, Albrecht Schmidt, Richard Atterer, Paul Holleis
Bringing Web 2.0 to the Old Web: A Platform for Parasitic Applications
In Interact '09: Proceedings of the 12th IFIP TC13 International Conference on Human-Computer Interaction: Part I. Uppsala, Sweden, August 31 - September 02, 2009. Springer, Belin, 405-418. ISBN 978-3-642-03654-5. (bib)

It is possible to create interactive, responsive web applications that allow user-generated contributions. However, the relevant technologies have to be explicitly deployed by the authors of the web pages. In this work we present the concept of parasitic and symbiotic web applications which can be deployed on arbitrary web pages by means of a proxy-based application platform. Such applications are capable of inserting, editing and deleting the content of web pages. We use an HTTP proxy in order to insert JavaScript code on each web page that is delivered from the web server to the browser. Additionally we use a database server hosting user-generated scripts as well as high-level APIs allowing for implementing customized web applications. Our approach is capable of cooperating with existing web pages by using shared standards (e.g. formatting of the structure on DOM level) and common APIs but also allows for user-generated (parasitic) applications on arbitrary web pages without the need for cooperation by the page owner.