DSpace & OAI-ORE: Object Reuse and Exchange ARD Prasad DRTC, ISI Bangalore ard@drtc.isibang.ac.in

Pros and Cons Pros: One need not send metadata & Digital Object by CD One can have their own IR Central agency like INFLIBNET can automatically collect digital objects from Universities. Least effort for INFLIBNET Can leave out collections other than ETD of a University IR (selective Harvesting).

Pros Some Universities may not have Infrastructure to host an IR IR sites warrant least downtime and maintainance requires expertise and expense

Each University has to change metadata schema to suit ETD or UKETD Cons Each University has to change metadata schema to suit ETD or UKETD

Object Reuse and Exchange OAI-ORE OAI-PMH: Allows metadata to be harvested OAI-ORE: Allows metadata & bitstreams (digital objects) to be harvested

Two Sides of ORE Data Provider should enable OAI-ORE Service Provider should be OAI-ORE compliant One can make DSpace repository both a Data Provider and also a service provider

Enabling DSpace as ORE data provider XMLUI should be enabled (Older versions may not have XMLUI interface) E.g.: http://drtc.isibang.ac.in/xmlui Should not be running on https

dspace.cfg dspace.baseUrl = http://drtc.isibang.ac.in dspace.url = ${dspace.baseUrl}/xmlui NOTE: it should not be localhost

Oaicat.properties (optional) Enable Qualified Dublin Core Crosswalks.qdc=org.dspace.app.oai.PluginCrosswalk This allows metadata to be harvested using QDC schema One can always harvest simple DC (default) or Intermediate metadata

Oaicat.properties (Optional modification) You may enable following metadata schema to provide your metadata to others DC QDC UKETD METS MODS DIDL RDF MARC DIM NOTE: DSpace harvester uses only DC, QDC and Intermediate Metadata Format

Oaicat.properties (Optional modification) Identify.repositoryName=LDL Identify.adminEmail=ard@drtc.isibang.ac.in

config/modules/oai.cfg dspace.oai.url = http://drtc.isibang.ac.in/oai There are lots of options that can be enabled or ignored

Testing What metadata Schema offered? Syntax: http://[full-URL-to-OAI-PMH]/request?verb=ListMetadataFormats Example: http://drtc.isibang.ac.in/oai/request?verb=ListMetadataFormats NOTE: You should see both “ore” and “qdc”. Be aware of Camel Back Notation in oai verbs

Does ORE gets data? Syntax: http://[full-URL-to-OAI-PMH]/request?verb=ListRecords&metadataPrefix=ore Examples: http://drtc.isibang.ac.in/oai/request?verb=ListRecords&metadataPrefix=ore

Does XMLUI Supports ORE? Syntax: http://URL_of_DL/xmlui/metadata/handle/HANDLE_NO/ITEM_NO/ore.xml Example: http://drtc.isibang.ac.in/xmlui/metadata/handle/1849/8/ore.xml

If all tests are successful, we can assume the repository is OAI-ORE based data provider The digital objects can be legally imported to your own repository along with the metadata One can perform these tests on any repository Each university repository should enable ORE and test

How to Harvest Digital Objects Use XMLUI Create/Edit Collection Click on “Content Source” This is a standard DSpace collection This collection harvests its content from an external source

Alternative How to Steal ? If ORE is not enabled? Screen Scrap full-record by using 'wget' You can use jspui or xmlui side Ignore the pages “If they do not contain dc.title as they can be community/collection pages

Q? ThanQ