@inproceedings{P109.305, author={Coppens, Sam and Mannens, Erik and Evens, Tom and Hauttekeete, Laurence and Van de Walle, Rik}, title={Digital long-term preservation using a layered semantic metadata schema of PREMIS 2.0}, booktitle={Cultural Heritage Online, Proceedings}, year={2009}, pages={?-?}, address={Florence, Italy}, }