Alberto Abián, Ramiro CanoAlberto Abián, Ramiro Cano

AGROLT 2008AGROLT 2008

(Athens - September 2008)(Athens - September 2008)

Harvesting Learning Resources on Harvesting Learning Resources on Organic Agriculture and Organic Agriculture and Agroecology to Semantic Agroecology to Semantic

RepositoriesRepositories

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Overall guidelinesOverall guidelines

• IntroductionIntroduction• List of participantsList of participants• Organic.Edunet infrastructureOrganic.Edunet infrastructure

– Content providerContent provider– Metadata harvesting mechanismMetadata harvesting mechanism– Semantic moduleSemantic module– Final userFinal user

• ConclusionsConclusions

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IntroductionIntroduction

• Organic.Edunet aims to facilitate access, Organic.Edunet aims to facilitate access, usage and exploitation of digital educational usage and exploitation of digital educational content related to Organic Agriculture (OA) content related to Organic Agriculture (OA) and Agroecology (AE). and Agroecology (AE).

• It will deploy a multilingual online federation of It will deploy a multilingual online federation of learning repositories, populated with quality learning repositories, populated with quality content from various content producers. content from various content producers.

• The Organic.Edunet Web portal will facilitate The Organic.Edunet Web portal will facilitate end-users’ search, retrieval, access and use of end-users’ search, retrieval, access and use of the content in a multilingual environment.the content in a multilingual environment.

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List of participantsList of participants• The consortium consists of 15 contractor The consortium consists of 15 contractor

organizations from 10 countries: Greece, Spain, organizations from 10 countries: Greece, Spain, Sweden, Norway, Austria, Estonia, United Kingdom, Sweden, Norway, Austria, Estonia, United Kingdom, Hungary, Romania, Germany.Hungary, Romania, Germany.

• There are four kind of partners:There are four kind of partners:- Content providerContent provider- Technological partnerTechnological partner- Quality assurance Quality assurance - Expert in educational methods and usersExpert in educational methods and users

• UAH together with KTH and GRNET are in UAH together with KTH and GRNET are in charge of the technical development.charge of the technical development.

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Content ProviderContent Provider

CONTENT PROVIDERCONTENT PROVIDER

(Estonian University (Estonian University

of Life Sciences)of Life Sciences)

LEARNING LEARNING

OBJECTOBJECT

METADATAMETADATA

ANNOTATION TOOLANNOTATION TOOL

SCAMSCAM

REPOSITORYREPOSITORY

11

CONTENT PROVIDERCONTENT PROVIDER

((Intute)Intute)

LEARNING LEARNING

OBJECTOBJECT

METADATAMETADATA

ANNOTATION TOOLANNOTATION TOOL

SCAMSCAM

REPOSITORYREPOSITORY

22

LEARNING REPOSITORYLEARNING REPOSITORY

MANAGEMENT MODULEMANAGEMENT MODULE

<dc:title>European <dc:title>European Fertilizer Fertilizer Manufacturers Assoc. Manufacturers Assoc. (EFMA)</dc:title>(EFMA)</dc:title>

<dc:desc>...</dc:desc><dc:desc>...</dc:desc>

<?xml … ?><lom…><?xml … ?><lom…>

<general><title><general><title>

European Fertilizer European Fertilizer Manufacturers AssocManufacturers Assoc

</title></general></lom></title></general></lom>

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ONTOLOGIESONTOLOGIES

Harvesting mechanismHarvesting mechanism

SCAMSCAM

REPOSITORYREPOSITORY

SCAMSCAM

REPOSITORYREPOSITORY

SCAMSCAM

REPOSITORYREPOSITORY

SCAMSCAM

REPOSITORYREPOSITORY

LOMRLOMR

synchronizationsynchronization mechanismmechanism

OAI-PMHOAI-PMH

XML Files (IEEE XML Files (IEEE LOM)LOM)

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SCALOM - IDENTIFYSCALOM - IDENTIFY

SCAMSCAM

REPOSITORYREPOSITORY

HARVESTERHARVESTER

Identify requestIdentify request

Identify responseIdentify response

http://ie.cc.uah.es:8080/nimble/OAIHandler?http://ie.cc.uah.es:8080/nimble/OAIHandler?verb=Identifyverb=Identify

<OAI-PMH><OAI-PMH>

<responseDate>2008-09-16T13:33:38Z</responseDate><responseDate>2008-09-16T13:33:38Z</responseDate>

<request verb="Identify">http://ie.cc.uah.es:8080/<request verb="Identify">http://ie.cc.uah.es:8080/

nimble/OAIHandler</request>nimble/OAIHandler</request>

<Identify><Identify>

<repositoryName>SCALOM Harvesting Repository</repositoryName><repositoryName>SCALOM Harvesting Repository</repositoryName>

<baseURL>http://ie.cc.uah.es:8080/nimble/OAIHandler</baseURL><baseURL>http://ie.cc.uah.es:8080/nimble/OAIHandler</baseURL>

<protocolVersion>2.0</protocolVersion><protocolVersion>2.0</protocolVersion>

<adminEmail>scalom.project@uah.es</adminEmail><adminEmail>scalom.project@uah.es</adminEmail>

<earliestDatestamp>2008-01-01T00:00:00Z</earliestDatestamp><earliestDatestamp>2008-01-01T00:00:00Z</earliestDatestamp>

<deletedRecord>persistent</deletedRecord><deletedRecord>persistent</deletedRecord>

<granularity>YYYY-MM-DDThh:mm:ssZ</granularity><granularity>YYYY-MM-DDThh:mm:ssZ</granularity>

<compression>gzip</compression><compression>gzip</compression>

<compression>deflate</compression><compression>deflate</compression>

</Identify></Identify>

</OAI-PMH></OAI-PMH>

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SCALOM – LIST RECORDSSCALOM – LIST RECORDS

SCAMSCAM

REPOSITORYREPOSITORY

HARVESTERHARVESTER

ListRecords requestListRecords request

ListRecords responseListRecords response

http://ie.cc.uah.es:8080/nimble/OAIHandler?verb=ListRecordshttp://ie.cc.uah.es:8080/nimble/OAIHandler?verb=ListRecords

&from=2008-01-15&from=2008-01-15

&until=2008-12-31&until=2008-12-31

&metadataPrefix=oai_lom&metadataPrefix=oai_lom

<OAI-PMH xsi:schemaLocation=“..."><OAI-PMH xsi:schemaLocation=“...">

<responseDate>2008-09-16T14:13:07Z</responseDate><responseDate>2008-09-16T14:13:07Z</responseDate>

<request metadataPrefix="oai_lom" until="2008-12-31" verb="ListIdentifiers" <request metadataPrefix="oai_lom" until="2008-12-31" verb="ListIdentifiers" from="2008-01-15“> http://ie.cc.uah.es:8080/nimble/OAIHandler </request>from="2008-01-15“> http://ie.cc.uah.es:8080/nimble/OAIHandler </request>

<ListIdentifiers><ListIdentifiers>

<header><identifier>oai:nimble.org:urn:x:scam:nimble:29</identifier><header><identifier>oai:nimble.org:urn:x:scam:nimble:29</identifier>

<datestamp>2008-02-05T12:34:37Z</datestamp><datestamp>2008-02-05T12:34:37Z</datestamp>

</header></header>

<header><identifier>oai:nimble.org:urn:x-scam:nimble:31</identifier><header><identifier>oai:nimble.org:urn:x-scam:nimble:31</identifier>

<datestamp>2008-02-28T09:38:08Z</datestamp><datestamp>2008-02-28T09:38:08Z</datestamp>

</header></header>

</ListIdentifiers></ListIdentifiers>

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Semantic moduleSemantic module

ONTOLOGIESONTOLOGIES

LOMRLOMRTranslation from Translation from

IEEE LOM to IEEE LOM to WSML and WSML and

storagestorage

HARVESTEHARVESTED D

LEARNING LEARNING RESOURCERESOURCE

SS

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Final userFinal user

StudentsStudents

TeachersTeachers

ResearchersResearchers

LOMRLOMRWEB PORTALWEB PORTAL

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ConclusionsConclusions• The content providers use specific tools to annotate The content providers use specific tools to annotate

the Learning Resources to provide additional the Learning Resources to provide additional qualitative information about them.qualitative information about them.

• The resources and their metadata are uploaded to a The resources and their metadata are uploaded to a local or remote metadata repository (SCAM).local or remote metadata repository (SCAM).

• A harvesting mechanism is used to obtain the created A harvesting mechanism is used to obtain the created or modified learning resources’ metadata.or modified learning resources’ metadata.

• Metadata is converted to semantic format (ontology Metadata is converted to semantic format (ontology language) and stored in a CENTRAL repository (LOMR)language) and stored in a CENTRAL repository (LOMR)

• The Organic.Edunet Web Portal allows final users to The Organic.Edunet Web Portal allows final users to search, locate, retrieve and access learning resources search, locate, retrieve and access learning resources on OA and AE throughout the whole Organic.Edunet on OA and AE throughout the whole Organic.Edunet federation.federation.

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QuestionsQuestions

Web: Web: http://www.organic-edunet.euhttp://www.organic-edunet.eu E-mail: E-mail: • alberto.abian@uah.esalberto.abian@uah.es • ramiro.cano@uah.esramiro.cano@uah.es