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PROVEEDORES DE SERVICIO OAI‐PMH Iniciativa De Acceso Abierto (OAI)

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PROVEEDORES DE SERVICIO OAI‐PMH Iniciativa De Acceso Abierto (OAI) 5. PROVEEDORES DE SERVICIO OAI‐PMH Iniciativa de Acceso Abierto (OAI) •La Open Archives Initiative (OAI) se creo con la misión de desarrollar y promover estándares de interoperabilidad para facilitar la difusión eficiente de contenidos en Internet. • Surgió como un esfuerzo para mejorar el acceso a archivos de publicaciones electrónicas (eprints), en definitiva, para incrementar la disponibilidad de las publicaciones científicas. OAI-PMH OAhiOpen Archives In itia tive - PtProtocol for MtdtMetadata HtiHarvesting •Protocolo de intercambio de metadatos • Los metadatos a transmitir vía OAI-PMH deberán codificarse en Dublin Core. El protocolo OAI-PMH • Peticiones HTTP para emitir preguntas y obtener respuestas entre un servidor y un cliente. • Devuelve un conjunto de registros en formato XML. Proveedores de datos y de servicios PROVEEDORES DE DATOS: PiProporcionan la ifinformac ión. http://redalyc.uaemex.mx http://oai.redalyc.uaemex.mx/redalyc/oai PROVEEDORES DE SERVICIOS: Son los recolectores o servicios que toman los datos, con el objetivo de incorporarlos algún valor añadido y presentarlos a los usuarios finales. http://www.oaister.org Características del protocolo URL BASE: Dirección URL donde se aloja el servidor y se donde se concatenan los verbos. http://oai.redalyc.uaemex.mx/redalyc/oai?verb=... VERBOS: Identify: Da información sobre el servidor http://oai.redalyc.uaemex.mx/redalyc/servlet/Oai_handler?verb=Identify GetRecord: Regggpresa los metadatos de un registro especificado http://oai.redalyc.uaemex.mx/redalyc/servlet/Oai_handler?verb=GetRecord&identifier=oai:redalyc. uaemex.mx:10201906&metadataPrefix=oai_dc ListMetadataFormats: Regresa los formatos que soporta el proveedor http://oai.redalyc.uaemex.mx/redalyc/servlet/Oai_handler?verb=ListMetadataFormats ListRecords: Regresa un conjunto de registros http://oai.redalyc.uaemex.mx/redalyc/servlet/Oai_handler?verb=ListRecords&metadataPrefix=oai_dc ListIdentifiers: Regresa una lista de identificadores http://oai.redalyc.uaemex.mx/redalyc/servlet/Oai_handler?verb=ListIdentifiers&metadataPrefix=oai_dc ListS e ts: Regresa e l lis ta do de con jun tos o c las ificac iones http://oai.redalyc.uaemex.mx/redalyc/servlet/Oai_handler?verb=ListSets Cosecha/Recolección de metadatos Proceso de recuppgeración de registros a través de un pgqprograma que realiza peticiones a un proveedor de datos Proveedor de datos Cosechador Envíame los registros de este año XML XML XML Va registro Proveedor de servicio Ejemplo de respuesta XML Para crear un proveedor de datos … • SftSoftware : Atención de peticiones Transformar la información a XML con Dublin Core Generador de servidores OAI‐PMH VOAI: http://ict.udlap.mx/rabid OAITools.pdf Recursos Documentación OAI‐PMH http://www.openarchives.org/OAI/2.0/openarchivesprotocol.htm http://www.oaforum.org Generadores de servidores OAI‐PMH VOAI: http://ict.udlap.mx/rabid http://www.openarchives.org Cosechadores FRED Harvest Toolkit http://fred.usq.edu.au/harvesttoolkit.html Navegar Proveedores de datos • OhiOpenarchives.org Proveedores de servicios Validadores, documentación Proveedores de datos Redalyc. http://www.redalyc.org http://oai.redalyc.uaemex.mx - Proveedores registrados en Openarchives.org Proveedores de servicio OAI Metadata Harvesting Project, un proyecto de University of Illinois at Urbana-Champaign, este proyecto es una lista detallada de los proveedores de datos de OIA a nivel mundial. OAIster, catálogo de recursos digitales. Proporciona el acceso a recursos digitales cosechando registros de metadatos que usen OAI- PMH. www.oaister.org ScientificCommons.org, un proyecto que tiene como objetivo poner a disposición el más extenso y libre acceso al conocimiento científico en Internet. www.scientificommons.org.
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