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the OAI: technical overview

the OAI: technical overview. H erbert V an de S ompel & Carl Lagoze Cornell University -- Computer Science. OAI Open Meeting – Washington DC – January 23 rd 200 1. support data. repos i tory. harves ter. oai protocol supporting harvesting requests. items. harvesting data.

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the OAI: technical overview

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  1. the OAI: technical overview Herbert Van de Sompel & Carl Lagoze Cornell University --Computer Science OAI Open Meeting–Washington DC – January 23rd2001

  2. supportdata repos i tory harves ter • oai protocol • supporting • harvesting • requests items harvesting data OAI metadata harvesting

  3. harvest withindate range repos i tory record record selective harvesting - datestamps

  4. S1 harvest within set repos i tory record record record selective harvesting - sets S2

  5. harvest records with specific format repos i tory record record selective harvesting – metadata format

  6. HTTP encoding - requests BASE-URL -----------> an.oa.org/OAI-scriptkeyword arguments --> verb=ListIdentifers&set=S1 GET http://an.oa.org/OAI-script?verb=ListIdentifers&set=S1

  7. xml namespaces responseheader responsedata HTTP encoding - responses <? xml version=1.0 encoding=“UTF-8” ?><GetRecord xmlns=“http://oai.namespace.uri” xmlns:xsi=“http://w3.namespace.uri” xsi:schemaLocation=“http://oai.namespace.uri http://oai.schemaURL”> <responseDate>2000-19-01T19:30:30-04:00</responseDate> <requestURL>http://an.oa.org/OAI-script?verb=GetRecord &amp;identifier=oai%3AarXiv%3A0001 &amp;metadataPrefix=oai_dc</requestURL> <record>record contents </recordadditional records</GetRecord>

  8. repos i tory harves ter OAI harvesting tools service provider data provider • Supporting protocol requests: • Identify • ListMetadataFormats • ListSets • Harvesting protocol requests: • ListRecords • ListIdentifiers • GetRecord

  9. repos i tory harves ter supporting protocol requests service provider data provider Identify • Repository name • Base-URL • Admin e-mail • OAI protocol version • Description Container

  10. repos i tory harves ter supporting protocol requests service provider data provider ListMetadataFormats • REPEAT • Format prefix • Format XML schema • /REPEAT

  11. repos i tory harves ter supporting protocol requests service provider data provider ListSets • REPEAT • Set Specification • Set Name • /REPEAT

  12. repos i tory harves ter harvesting requests service provider data provider * from=a * until=b * set=klm ListRecords * metadataPrefix=oai_dc • REPEAT • Identifier • Datestamp • Metadata • About Container • /REPEAT

  13. repos i tory harves ter harvesting requests service provider data provider * from=a * until=b ListIdentifiers * set=klm • REPEAT • Identifier • Datestamp • /REPEAT

  14. repos i tory harves ter harvesting requests service provider data provider * identifier=oai:mlib:123a GetRecord * metadataPrefix=oai_dc • Identifier • Datestamp • Metadata • About

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