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Dear all, I am forwarding, with permission, this message from Xiaoming Liu of Old Dominion University. These are results from Liu's work on ARC (http://arc.cs.odu.edu) building on Open Archives Initiative work. I believe that these quite broad statistics on DC usage should be of general interests to the DC community. With the increasing number of OAI implementers, we have a first chance to do wide-range evaluations of DC usage. This is ripe ground for researchers interested in the utility of distributed and home-brewed metadata. Carl Lagoze Carl Lagoze Department of Computer Science Cornell University Ithaca, NY 14853 USA Voice: +1-607-255-6046 FAX: +1-607-255-4428 EMail: [log in to unmask] WWW: http://www.cs.cornell.edu/lagoze -----Original Message----- From: Xiaoming Liu [mailto:[log in to unmask]] Sent: Thursday, March 21, 2002 4:46 PM To: Marty McClelland Cc: Leigh Dodds; Alan Kent; OAI Implementors Subject: RE: [OAI-implementers] Dublin Core XML and OAI Hi, I have exported a preliminary statistic of metadata usage in http://arc.cs.odu.edu/stat/index.html One might conclude from these data that although controlled vocabularies are widely used, the schemas used are extremely variant. regards, liu