OAIster and Open Access Kat Hagedorn OAIster Metadata
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OAIster and Open Access Kat Hagedorn OAIster / Metadata Harvesting Librarian University of Michigan Libraries November 17, 2004
background • Originally, one-year Mellon grant project to test the feasibility of making OAI-enabled metadata for digital objects accessible to the public • Currently, big… (as of September 04) – 3, 488, 842 metadata records – 347 institutions • …and popular – Averages 13, 500 search sessions / month – Also in Yahoo! Search with many more hits per day
how it works • OAI = Open Archives Initiative • OAI-PMH = Open Archives Initiative Protocol for Metadata Harvesting • Designed to make it easy to exchange metadata among interested parties • Data providers create metadata, OAI-enable it, service providers come and harvest it
open access • Don’t have records where metadata itself is restricted in use (as far as we know!) • Definitely some records where digital objects are restricted to licensed users • Offer these “partially free” records? • Added explanatory text to site
open access • Some access information in the metadata; often not enough info about viewing restrictions • Currently no protocol method for indicating restricted digital objects • Assess whether users feel informed or frustrated when encountering restricted objects
open source software • 21 repositories use Dspace (dspace. org) • 90 repositories use GNU Eprints (eprints. org) • Most of the other repositories are using open source data provider software, out-of-thebox or modified for use
more records, more access • OAI-enable your data • Let us know you’re ready to be harvested • Pass the word…
contact info • Kat Hagedorn • University of Michigan Libraries, Digital Library Production Service • khage@umich. edu • http: //www. oaister. org/
