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Open Archives Initiative

Open Archives Initiative. How it Works & Who Uses It. David Palmer HKU. Definition. OAI is an initiative to develop and promote interoperability standards that aim to facilitate the efficient dissemination of content OAI for Beginners http://www.oaforum.org/tutorial/index.php

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Open Archives Initiative

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  1. Open Archives Initiative How it Works & Who Uses It • David Palmer • HKU

  2. Definition • OAI is an initiative to develop and promote interoperability standards that aim to facilitate the efficient dissemination of content • OAI for Beginners • http://www.oaforum.org/tutorial/index.php • “Archive” not in the “Archival” sense. • “Repositories”

  3. Background • 1999, Santa Fe Convention, • Paul Ginsparg • Herbert van de Sompel

  4. More • Funded by, • The Digital Library Federation (DLF) • Coalition for Networked Information (CNI) • National Science Foundation (NSF) • Began as a solution for eprints • Quickly used for others also • Based on XML & HTTP • Allows rapid deployment

  5. Types of Searching • Cross Over or Harvest ? • Cross Over • Distributed Searching • Federated Searching • Examples: • Z39.50 broadcast searching • MetaFind

  6. Cross Over Model Database Database Database End User

  7. Harvest • Harvest local databases to build Union Database • Examples: • WorldCat • OhioLink • Melvyll • HKALL

  8. Union Databases Database Database Database Union Database End User

  9. The OAI World • Data Providers • Expose their data, allowing harvest • Service Providers • Harvest from Data Providers • Build Repository of Metadata only (not object) • Build a Search Engine • Allow search

  10. Some Basics • Data Providers • Put data into Dublin Core or other Metadata • OAI Interface • Allows harvesting in OAI-PMH v. 2.0 • On-the-fly, not stored • Rights Management? • Programmer, 2 days? • Service Providers • SP is only harvesting. • Search engine is different • Computer Officer, 2 weeks?

  11. Tools • Freely available • http://www.openarchives.org/tools/tools.html • Data Providers • VTOAI OAI-PMH Perl2 Implementation • Others • Service Providers • Harvesting • UIUC Metadata Harvester • Search Engines • UM’s XPAT • Oracle • Greenstone

  12. Dublin Core

  13. The Bigger Picture • New pattern for scholarly communication • Institutional Repositories • DSpace, etc. • Google DSpace Universities, Apr 04 • Yahoo’s Content Acquisition Program, Mar 04 • OAIster • NPR • LC • UCLA’s Cuneiform DL • others

  14. Communities of Interest • OAIster • 3.5M records • 351 repositories (7 Oct 04) • Scope: all possible repositories • User-group-specific Service Providers becoming the norm • AmericanSouth.org project • Open Language Archives Community • Sheet Music Consortium • National Science Digital Library

  15. PRDLA sites in OAI ? • Academia Sinica • Academia Sinica Balanced Corpus of Modern Chinese • Australian National University • Australian National University EPrints2 Archive • DSpace at The Australian National University • The Chinese University of Hong Kong • Scholarly Information Repository • Hong Kong Baptist University • HKBU Theses & Dissertations • National University of Singapore • NUS Digital Library of Theses and Dissertations • Peking University • The Peking University Ancient Book Digital Library • San Diego Supercomputer Center • National Science Digital Library • University of California, Berkeley • Survey for California and Other Indian Languages • The University of Hong Kong • HKU Theses Online (HKUTO) • University of Oregon • DSpace at the University of Oregon • University of Washington • DSpace at The University of Washington • Structural Informatics Group, University of Washington (UW-SIG) Eprint Archive

  16. Multipurposing • One database can be harvested many times. • Thesis • Language materials • Education • Regional Interests ..  PRDLA • OAIster • Yahoo • Google • Etc.

  17. 谢谢 ! Thank you !

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