Open your Alfresco Data

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Presentation transcript:

Open your Alfresco Data Fran Alvarez Zaizi, Head of Engineering

Agenda Content and Data definitions Alfresco - OAI-PMH integration Code snippets Conclusions

‘Content’ era Content is knowledge

‘Content’ era More and more devices are managing content “Internet of Things will grow up up to 26 billions unit by 2020” (Gartner, Dev 2013) Content opened and accessible by both machines and humans

Linked Data

Open Data Open data is the idea that certain data should be freely available to everyone to use and republish as they wish, without restrictions from copyright, patents or other mechanisms of control http://data.gov.uk/ http://www.forbes.com/sites/techonomy/2014/09/12/ho w-open-data-is-transforming-city-life/

Open Data Vs Linked Data Idea Concept Best Practices Protocol + Language Not all Linked data is Open Not all Open data is Linked

OAI-PMH Open Archive Initiative Protocol for Metadata Harvesting 1 Open Archive Initiative Protocol for Metadata Harvesting Collect/Harvest metadata from archives Multiple/Federated archives management

OAI-PMH Open Archive Initiative Protocol for Metadata Harvesting 2 Open Archive Initiative Protocol for Metadata Harvesting Collect/Harvest metadata from archives Multiple/Federated archives management

OAI-PMH - Language Dublin core (not qualified) as 'Must' language Simple way to describe physical and web resources Metadata: Title, Creator, Subject, Description, Publisher, Contributor, Date, Type, Format, Identifier, Source, Language, Relation, Coverage, Rights

OAI-PMH - Procotol Simple methods to access and expose data Based on 6 verbs (operations) Identify ListSets ListMetadataFormats ListIdentifiers ListRecords GetRecord

Alfresco It’s a content provider Some content (Business) subject to be shared (Open) with the world Bibliographic Scientific Government

Alfresco OAI-PMH Integration 1 Leveraging Alfresco extension capabilities Created as a flexible module to map any existing data model Alfresco side only, development of services and web scripts Alfresco AMP

Alfresco OAI-PMH Integration 2 Leveraging Alfresco extension capabilities Created as a flexible module to map any existing data model Alfresco side only, development of services and web scripts Alfresco AMP

Alfresco OAI-PMH Architecture

Configuration Properties 1 #Namespaces oai.oai_dc.schema=http://www.openarchives.org/OAI/2.0/oai_dc.xsd oai.oai_dc.metadataElementName=dc oai.oai_dc.metadataElement.namespace=http://purl.org/dc/elements/1.1/ oai.oai_dc.namespace=http://www.openarchives.org/OAI/2.0/oai_dc/ #Properties Mapping oai.oai_dc.property.dc_date=cm:created oai.oai_dc.property.dc_title=cm:title oai.oai_dc.property.dc_creator=cm:creator #oai.oai_dc.property.dc_publisher= #oai.oai_dc.property.dc_contributor= oai.oai_dc.property.dc_description=cm:description

Configuration Properties 2 #Namespaces oai.oai_dc.schema=http://www.openarchives.org/OAI/2.0/oai_dc.xsd oai.oai_dc.metadataElementName=dc oai.oai_dc.metadataElement.namespace=http://purl.org/dc/elements/1.1/ oai.oai_dc.namespace=http://www.openarchives.org/OAI/2.0/oai_dc/ #Properties Mapping oai.oai_dc.property.dc_date=cm:created oai.oai_dc.property.dc_title=cm:title oai.oai_dc.property.dc_creator=cm:creator #oai.oai_dc.property.dc_publisher= #oai.oai_dc.property.dc_contributor= oai.oai_dc.property.dc_description=cm:description

OAI-PMH Identify http://localhost:8080/alfresco/s/oai?verb=identify

OAI-PMH ListRecords http://localhost:8080/alfresco/s/oai?verb=listRecords&metadataPr efix=oai_dc

OAI-PMH GetRecord http://localhost:8080/alfresco/s/oai?verb=GetRecord&metadataPrefix=oai_dc&ide ntifier=4b9ebe73-7b19-4aaf-b596-5e545544e2a6

OAI-PMH GetRecord http://localhost:8080/alfresco/s/oai?verb=GetRecord&metadataPrefix=oai_dc&ide ntifier=4b9ebe73-7b19-4aaf-b596-5e545544e2a6

Recources Thank You! http://www.openarchives.org/pmh/ https://github.com/zaizi http://www.juntadeandalucia.es/agriculturaypesca/ifapa/oai?verb=Id entify Interweaving OAI-PMH data sources with the linked data cloud (Bernhard Haslhofer, Bernhard Schandl) Thank You!