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Harvesting Learning Resources on Organic Agriculture and Agroecology to Semantic Repositories

Harvesting Learning Resources on Organic Agriculture and Agroecology to Semantic Repositories. Alberto Abián, Ramiro Cano AGROLT 2008 (Athens - September 2008). Overall guidelines. Introduction List of participants Organic.Edunet infrastructure Content provider

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Harvesting Learning Resources on Organic Agriculture and Agroecology to Semantic Repositories

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  1. Harvesting Learning Resources on Organic Agriculture and Agroecology to Semantic Repositories Alberto Abián, Ramiro Cano AGROLT 2008 (Athens - September 2008)

  2. Overall guidelines • Introduction • List of participants • Organic.Edunet infrastructure • Content provider • Metadata harvesting mechanism • Semantic module • Final user • Conclusions AgroLT 2008 (Athens)

  3. Introduction • Organic.Edunet aims to facilitate access, usage and exploitation of digital educational content related to Organic Agriculture (OA) and Agroecology (AE). • It will deploy a multilingual online federation of learning repositories, populated with quality content from various content producers. • The Organic.Edunet Web portal will facilitate end-users’ search, retrieval, access and use of the content in a multilingual environment. AgroLT 2008 (Athens)

  4. List of participants • The consortium consists of 15 contractor organizations from 10 countries: Greece, Spain, Sweden, Norway, Austria, Estonia, United Kingdom, Hungary, Romania, Germany. • There are four kind of partners: • Content provider • Technological partner • Quality assurance • Expert in educational methods and users • UAH together with KTH and GRNET are in charge of the technical development. AgroLT 2008 (Athens)

  5. Content Provider LEARNING REPOSITORY MANAGEMENT MODULE LEARNING OBJECT SCAM REPOSITORY 1 ANNOTATION TOOL METADATA CONTENT PROVIDER (Estonian University of Life Sciences) <dc:title>European Fertilizer Manufacturers Assoc. (EFMA)</dc:title> <dc:desc>...</dc:desc> LEARNING OBJECT <?xml … ?><lom…> <general><title> European Fertilizer Manufacturers Assoc </title></general></lom> SCAM REPOSITORY 2 ANNOTATION TOOL METADATA CONTENT PROVIDER (Intute) AgroLT 2008 (Athens)

  6. Harvesting mechanism synchronizationmechanism SCAM REPOSITORY ONTOLOGIES SCAM REPOSITORY LOMR SCAM REPOSITORY OAI-PMH XML Files (IEEE LOM) SCAM REPOSITORY AgroLT 2008 (Athens)

  7. HARVESTER SCALOM - IDENTIFY Identify request SCAM REPOSITORY Identify response <OAI-PMH> <responseDate>2008-09-16T13:33:38Z</responseDate> <request verb="Identify">http://ie.cc.uah.es:8080/ nimble/OAIHandler</request> <Identify> <repositoryName>SCALOM Harvesting Repository</repositoryName> <baseURL>http://ie.cc.uah.es:8080/nimble/OAIHandler</baseURL> <protocolVersion>2.0</protocolVersion> <adminEmail>scalom.project@uah.es</adminEmail> <earliestDatestamp>2008-01-01T00:00:00Z</earliestDatestamp> <deletedRecord>persistent</deletedRecord> <granularity>YYYY-MM-DDThh:mm:ssZ</granularity> <compression>gzip</compression> <compression>deflate</compression> </Identify> </OAI-PMH> http://ie.cc.uah.es:8080/nimble/OAIHandler?verb=Identify AgroLT 2008 (Athens)

  8. HARVESTER SCALOM – LIST RECORDS ListRecords request SCAM REPOSITORY ListRecords response <OAI-PMH xsi:schemaLocation=“..."> <responseDate>2008-09-16T14:13:07Z</responseDate> <request metadataPrefix="oai_lom" until="2008-12-31" verb="ListIdentifiers" from="2008-01-15“> http://ie.cc.uah.es:8080/nimble/OAIHandler </request> <ListIdentifiers> <header><identifier>oai:nimble.org:urn:x:scam:nimble:29</identifier> <datestamp>2008-02-05T12:34:37Z</datestamp> </header> <header><identifier>oai:nimble.org:urn:x-scam:nimble:31</identifier> <datestamp>2008-02-28T09:38:08Z</datestamp> </header> </ListIdentifiers> http://ie.cc.uah.es:8080/nimble/OAIHandler?verb=ListRecords &from=2008-01-15 &until=2008-12-31 &metadataPrefix=oai_lom AgroLT 2008 (Athens)

  9. Semantic module ONTOLOGIES Translation from IEEE LOM to WSML and storage LOMR HARVESTED LEARNING RESOURCES AgroLT 2008 (Athens)

  10. Final user Students WEB PORTAL LOMR Teachers Researchers AgroLT 2008 (Athens)

  11. Conclusions • The content providers use specific tools to annotate the Learning Resources to provide additional qualitative information about them. • The resources and their metadata are uploaded to a local or remote metadata repository (SCAM). • A harvesting mechanism is used to obtain the created or modified learning resources’ metadata. • Metadata is converted to semantic format (ontology language) and stored in a CENTRAL repository (LOMR) • The Organic.Edunet Web Portal allows final users to search, locate, retrieve and access learning resources on OA and AE throughout the whole Organic.Edunet federation. AgroLT 2008 (Athens)

  12. Questions Web: http://www.organic-edunet.eu E-mail: • alberto.abian@uah.es • ramiro.cano@uah.es AgroLT 2008 (Athens)

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