Adding quality-awareness to evaluate migration web-services and remote emulation for digital preservation

C. Becker, H. Kulovits, M. Kraxner, R. Gottardi, A. Rauber, R. Welte:
"Adding quality-awareness to evaluate migration web-services and remote emulation for digital preservation";
Vortrag: 13th European Conference on Digital Libraries (ECDL 2009), Corfu, Greece; 27.09.2009 - 02.10.2009; in:"Proceedings of the 13th European Conference on Digital Libraries (ECDL 2009)", M. Agosti, J. Borbinha, S. Kapidakis, C. Papatheodorou, G. Tsakonas (Hrg.); Springer, LNCS 5714, Berlin Heidelberg (2009), ISBN: 978-3-642-04345-1; S. 39 - 50.

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Abstract:


Digital libraries are increasingly relying on distributed services
to support increasingly complex tasks such as retrieval or preservation. While there is a growing body of services for migrating digital objects into safer formats to ensure their long-term accessability, the quality of these services is often unknown. Moreover, emulation as the major alternative preservation strategy is often neglected due to the complex setup procedures that are necessary for testing emulation. However, thorough evaluation of the complete set of potential strategies in a quantified and repeatable way is considered of vital importance for trustworthy decision making in digital preservation planning.
This paper presents a preservation action monitoring infrastructure
that combines provider-side service instrumentation and quality measurement of migration web services with remote access to emulation.
Tools are monitored during execution, and both their runtime characteristics and the quality of their results are measured transparently. We present the architecture of the presented framework and discuss results from experiments on migration and emulation services.