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Disseminating Service Registry Records

Disseminating Service Registry Records. Ann Apps MIMAS, The University of Manchester, UK. Outline. Purpose of JISC Information Environment Service Registry (IESR) IESR content description IESR services Using IESR The future. Why IESR?. JISC Information Environment:

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Disseminating Service Registry Records

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  1. Disseminating Service Registry Records Ann Apps MIMAS, The University of Manchester, UK

  2. Outline • Purpose of JISC Information Environment Service Registry (IESR) • IESR content description • IESR services • Using IESR • The future ELPUB2006

  3. Why IESR? • JISC Information Environment: • Collections of resources for researchers, learners, teachers in UK • Single central registry – m2m access • Improve awareness and access • Funded by JISC: • MIMAS, UKOLN, University of Liverpool • Registry developed and hosted by MIMAS ELPUB2006

  4. IESR Content • Descriptions of: • Collections of resources • Made available via Informational Services • Agents: Owners / Administrators • Transactional Services • Contributed by resource providers • QA check by IESR content manager • IESR will encourage maintenance ELPUB2006

  5. IESR Entities Collection provides access owns Service Agent administers ELPUB2006

  6. IESR Entity Description • Entities identified with URI • Described by metadata • Metadata defined by Application Profile • Semantics • Occurrence • Searchable • AP for human reading • More restrictive than XML schema ELPUB2006

  7. IESR Collection Metadata • Based on RSLP Collection Description • Simplification for electronic resources • Consistent with: • DCMI Collection Description Application Profile • NISO MI Collection Description Specification • Vocabularies for property values • Dewey subject backbone ELPUB2006

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  9. IESR Service Metadata • A few IESR properties to support discovery and registry application • Single access method: • SRU, Z39.50, SOAP, OAI-PMH, Web/CGI • Location URL • Interface property for some service types using appropriate schema ELPUB2006

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  11. Other Service types • SOAP: Locator: access URL; Interface: WSDL • SRU: Interface: ZeeRex • SRW: Interface: ZeeRex; WSDL • OAI-PMH: Locator: BaseURL • OpenURL: Locator: BaseURL • Web CGI: Interface: arguments • Web page: Locator: URL ELPUB2006

  12. IESR Agent and Administrative Metadata • Agent: contact details • Administrative: • Included with every entity • IESR includes: • creating organisation, publisher: IESR • latest modification date • rights to reuse descriptions: Creative Commons ELPUB2006

  13. IESR Services • Z39.50: composite XML • OAI-PMH for harvesting: entity XML • OpenURL Link-To Resolver • Implements IESR identifier resolution • Future: SRU; SOAP/SRW; RSS; UDDI • Web Search and Browse • Data Editor for Contributors ELPUB2006

  14. IESR Users • DL Portal; Metasearch Application • amalgamated set of resources • IESR provides: • Discovery of resource collections • Up-to-date details of access to collections • Discovery of transactional services • RSS: personal DL portal • OpenURL resolvers ELPUB2006

  15. Portal Metasearch Scenario • Researcher: find family health datasets • Social Science portal discovers collections with e.g. Z39.50 services • Portal provides cross-search to user • Portal builder doesn’t need to know about all resources • Users discover collections unaware of • Alternative: Static use by Portal builder ELPUB2006

  16. Harvesting IESR • OAI-PMH allows replication of IESR • Portal harvests IESR records • Caches locally for use by portal software, e.g.: • Local service registry • Knowledgebase after conversion to appropriate format • Scenario: portal for Open Access material in Institutional Repositories ELPUB2006

  17. Distributed Service Registries • Scope of IESR • JISC, UK, international? • Scalability and Data ownership issues • Distributed / federated model • Each node describes own resources • How to cross search? • Metasearch; UDDI; OAI-PMH harvest • IESR collaboration with OCKHAM in US • Replication by OAI-PMH; search local ELPUB2006

  18. Sharing Descriptions • Sharing collection descriptions • Created by resource provider • Need common / derivable metadata schema • NISO Metasearch Initiative • OAI-PMH to share descriptions • OAI-PMH includes provenance and rights containers • Rights issues: common CC Licence? ELPUB2006

  19. IESR Future • More and updated content • New IESR services • Maintenance of metadata schema • Demonstrating viable IESR use • Collaboration with Service Registry development, UK and international • Persistence of content ELPUB2006

  20. IESR Details Thank You! Questions? Information: http://iesr.ac.uk/ Application Profile: http://iesr.ac.uk/profile/ XML Schema: http://iesr.ac.uk/schemas/iesr.xsd Web Search: http://iesr.ac.uk/registry/ Z39.50 service: http://iesr.ac.uk/use/z3950/ OAI-PMH service: http://iesr.ac.uk/use/oaipmh/ IESR Helpline service: iesr@mimas.ac.uk ann.apps@manchester.ac.uk ELPUB2006

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