Dr. Herbert Van de Sompel, from the US Los Alamos National Laboratory, presented a fascinating and engaging introduction to two projects he is currently engaged in as a member of the Digital Library Research and Prototying Team at his institution: OAI-ORE, which focuses on digital object re-use and exchange, and MESUR, a demonstration project to establish a new scholarly metric based on usage, not publication. At left is Dr. Van de Sompel's explanation of aggregated object clusters and the need to address object grouping and similarity, beyond individual documents or web pages.
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