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Using IESR. Ann Apps MIMAS, The University of Manchester, UK. Outline. IESR content description IESR services External description Using IESR Future directions. IESR Content. Descriptions of: Collections of resources Informational Services that provide access
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Using IESR Ann Apps MIMAS, The University of Manchester, UK
Outline • IESR content description • IESR services • External description • Using IESR • Future directions IESR Contributors Workshop
IESR Content • Descriptions of: • Collections of resources • Informational Services that provide access • Agents: Owners / Administrators • Transactional Services • Supplied by resource providers • Check by IESR content manager IESR Contributors Workshop
IESR Entities Collection provides access owns Service Agent administers IESR Contributors Workshop
IESR Identifiers • Every entity has a URI • Assigned on registration in IESR • PURL-based Object Identifier (POI) • Example: http://purl.org/poi/iesr.ac.uk/105636559-25788 • Internal use: local part of identifier only IESR Contributors Workshop
IESR Entity Description • Described by metadata • Based on open standards • Metadata defined by Application Profile • Semantics • Occurrence • Searchable • Data Supply as separate entities IESR Contributors Workshop
IESR Collection Metadata • Based on RSLP Collection Description • Simplification for electronic resources • Consistent with: • DCMI Collection Description Application Profile • NISO MI Collection Description • Links to other entities: • hasService: Service (IESR id) • Owner: Agent (IESR id) IESR Contributors Workshop
Vocabulary Encoding Schemes • Defined in Application Profile • Single backbone subject scheme • Dewey Decimal Classification System • Other common vocabularies supported • iesr:usesControlledList • IESR defined list (extensible) • terminology service; item level search IESR Contributors Workshop
IESR Service Metadata • More than RSLP CD ‘locator’ • Bespoke IESR scheme • Single access method: • Z39.50, SOAP, OAI-PMH, Web/CGI • Location URL • Interface property for some service types using appropriate schema • Links to other entities: Agent, Collection IESR Contributors Workshop
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 IESR Contributors Workshop
Agent Metadata • Agent name • Agent description • Contact details, address, URL • Links to other entities: • owns: Collection • administers: Service IESR Contributors Workshop
IESR Administrative Metadata • Included with every entity • Data suppliers can include: • Internal: creator/contributor, creation dates • External: source • External: IESR includes: • creating organisation, publisher (IESR) • latest modification date • rights to reuse descriptions IESR Contributors Workshop
IESR Creative Commons Licence • All IESR records licensed under a Creative Commons licence: • Non-commercial (freely available) • Share-alike (maintain same licence) • Attribution-required (attribute provenance) • Suppliers agree to this licence • http://creativecommons.org IESR Contributors Workshop
IESR Services • Details on IESR web site • Z39.50 • Search via Bib-1 attributes • Results: text (SUTRS); XML • OAI-PMH for harvesting • OpenURL Link-To Resolver • Implements IESR identifier resolution • Web Search and Browse • Data supply Editor IESR Contributors Workshop
Future Services • Web Services SOAP / SRW (planned) • RSS • UDDI (under investigation) • Prototype registry • Mapping IESR data to UDDI • Is there a requirement? • Data ingest / harvest IESR Contributors Workshop
IESR XML • Composite Collection record via Z39.50: • Collection • All services that provide access • All agents: • Owners of collection • Administrators of services • Single entity record via OAI-PMH • Simple Dublin Core for Interoperability IESR Contributors Workshop
Portal in JISC IE • JISC defines a portal: A network service that brings together content from diverse distributed resources using technologies such as cross searching, harvesting, and alerting, and collates this into an amalgamated form for presentation to an end user. IESR Contributors Workshop
Using IESR • Portal • amalgamated set of resources • IESR provides: • Discovery of resource collections • Up-to-date details of access to collections • Using IESR Portal builder can: • Add new services to portal • Provide metasearch IESR Contributors Workshop
Portal Metasearch Scenario • Social Science portal discovers collections with e.g. Z39.50 services • Provides cross-search to end-user using e.g. Z39.50 • Portal builder doesn’t need to know about all resources • Users discover collections unaware of IESR Contributors Workshop
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 • Conversion into local configuration file IESR Contributors Workshop
MIMAS Metadatabase Use Scenario • MIMAS Metadatabase is a catalogue of resources provided by MIMAS • Metadatabase will • Harvest changed IESR records nightly • Select MIMAS records • Update Metadatabase • Staff have only one set of descriptions to maintain • XML descriptions for other uses IESR Contributors Workshop
Use by Portal Builder • Discover resource and access details by Web interface • Handcraft resource into metasearch • Possible future Digital Library build software will automate process • SOAP services need manual intervention IESR Contributors Workshop
Other Uses • Portal Links to Web Search • General resource discovery • Reuse collection description • Initially created by resource supplier • Shared by multiple registries and applications • RSS Aggregator (news; data alerts) • Personal digital library portal IESR Contributors Workshop
Metadata Schema Use • OCKHAM (US): Outcomes of NSF projects • CETIS / DEST: eLearning/Admin in Australia • Standards development: • DCMI Collection Description • NISO Metasearch Initiative • DCMI Agents Working Group • Stakeholder requirements: • Institution details • eLearning IESR Contributors Workshop
Wider Information Environment • Scope of IESR • JISC, UK, international? • Data ownership and maintenance • Distributed / federated model • Each node describes own resources • How to cross search? • IESR collaboration with OCKHAM in US • Sharing collection descriptions • Need common metadata schema IESR Contributors Workshop
IESR Future • More and updated content • New IESR services • Demonstrating viable IESR use • Persistence of content • Maintenance of metadata schema • International interest in Service Registries IESR Contributors Workshop
IESR Details Specifications: http://iesr.ac.uk/metadata/ Application Profile: http://iesr.ac.uk/profile/ XML Schema: http://iesr.ac.uk/schemas/iesr.xsd Web Search IESR: 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: ann.apps@manchester.ac.uk IESR Contributors Workshop