Digital archives are dedicated to the long-term preservation of electronic information and have the mandate to enable sustained access despite a rapidly changing information infrastructure. Current archival approaches build upon standardized data formats and simple metadata mechanisms for collection management, but do not involve high-level conceptual models and knowledge representations. This ...

The growing production of digital data challenges archiving institutions with new needs for a secure preservation of the cultural heritage of our time. The main subject of the research project 'Distarnet' is to define a protocol for a distributed system for long-term preservation of digital data. The various problems of archiving digital data are analyzed and an implemented solution is presente...

The characterisation of scholarly communication is dominated by citation-based measures. In this paper we propose several metrics to describe different facets of open access and open research. We discuss measures to represent the public availability of articles along with their archival location, licences, access costs and supporting information. Calculations illustrating these new metrics are ...

Dr. Ethan L. Miller is an associate professor of computer science at the University of California, Santa Cruz, where he is a member of the Storage Systems Research Center (SSRC). His current research projects, which are funded by the NSF, Department of Energy, and industry support for the SSRC, include long-term archival storage systems, scalable metadata and indexing, issues in petabyte-scale ...