Proceedings of the 1st ACM international workshop on Human-centered multimedia
Hybrid online-offline digital collections
SAICSIT '10 Proceedings of the 2010 Annual Research Conference of the South African Institute of Computer Scientists and Information Technologists
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Service models for digital libraries have looked into how services may be decomposed into modules and components for greater flexiblity. These models are, however, mostly aimed at server-side applications. With the emergence of Ajax and similar techniques for processing XML documents within a Web browser, it has now become feasible for a browser to perform far more of the computational tasks traditionally encompassed in server-side DL services. Among other advantages, moving computation to the client can result in improved performance and scalability. As a new twist on service oriented computing, it is argued in this paper that digital library services can be provided partially or wholly through applications that execute client-side. Two case studies are provided to illustrate that such in-browser services are feasible and in fact more powerful and flexible than the traditional server-side service model.