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The REPOX system Nuno Freire - Europeana Local Knowledge Sharing Workshop Den Haag 13 January 2009.

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Presentation on theme: "The REPOX system Nuno Freire - Europeana Local Knowledge Sharing Workshop Den Haag 13 January 2009."— Presentation transcript:

1 The REPOX system Nuno Freire - Europeana Local Knowledge Sharing Workshop Den Haag 13 January 2009

2 Outline Common OAI-PMH implementation scenarios in data providers The REPOX system For data providers For service providers and aggregators REPOX current status and future releases

3 The three most common scenarios of OAI-PMH implementation Library/Archive/Museum Management System OAI- module provided by the vendor In-house OAI-PMH server development Standalone OAI server

4 Library/Archive/Museum Management System The three most common scenarios of OAI-PMH implementation OAI- module provided by the vendor Metadata Repository OAI-PMH Server Module

5 Library/Archive/Museum Management System The three most common scenarios of OAI-PMH implementation In-house OAI-PMH server development Metadata Repository OAI-PMH Server

6 Library/Archive/Museum Management System The three most common scenarios of OAI-PMH implementation Standalone OAI-PMH server Metadata Repository OAI-PMH Server Metadata Repository Metadata export/import

7 The three most common scenarios of OAI-PMH implementation Metadata crosswalks All scenarios require metadata to be converted to other formats: To simple Dublin Core Useful for sharing your data with other service providers To the TEL application profile (national libraries) To Europeana Semantic Elements Other xml based metadata formats…

8 The three most common scenarios of OAI-PMH implementation More detailed information about these implementation scenarios is available inD2.1 OAI-PMH implementation and tools guidelines from TELplus project Available:

9 Standalone OAI-PMH server Main tasks Choose an open source standalone OAI-PMH server Install and configure the server Develop metadata crosswalks for your format Implement an procedure in the IT department to export/import the metadata records into the OAI- PMH server Test the server

10 Standalone OAI-PMH server Implementing an procedure in the library to transfer the metadata records from into the OAI-PMH server Exporting the metadata records In libraries, typically in ISO2709 or MarcXchange Execute the metadata conversion Generating xml records in TEL, ESE and DC Import the records into the OAI-Server This process should be automated as much as possible Ideally it should be fully automatic

11 Standalone OAI-PMH server Advantages Very easy to deploy It may take just a few hours Requires only free open source software No software development is needed In some cases, the metadata crosswalks may require software development Disadvantages High maintenance in those cases where the metadata transfer cant be fully automated

12 The REPOX system Currently being developed by the Technical University of Lisbon May be deployed as a standalone OAI-PMH server For data providers May be deployed as a OAI-PMH aggregator For service providers

13 The REPOX system An open-source solution (all developed in JAVA) that can be installed locally and provide an OAI-PMH Server to the exterior Able to manage multiple internal data sources and export multiple collection sets REPOX reuses other open-source software…

14 TEL Central Index OAI-PMH Internet REPOX development phases OAI-PMH REPOX SRU or Z39.50 Harvester REPOX Phase 1 (2008) Phase 2 (2009…) Phase 3 (2 nd half 2009)

15 The REPOX system for data providers Main objective Provide an standalone OAI-PMH server that can be deployed without any software development Data import: Supports any XML metadata format Supports several variations of the ISO2709 standard Metadata crosswalks User interface to define the metadata crosswalks

16 The REPOX system for data providers Defining metadata crosswalks

17 The REPOX system for data providers Current Status and Plan Version 1.1 released in December 2008 Planned releases: Support for Europeana Semantic Elements (Spring 2009) Additional metadata crosswalks Contributed by the libraries using REPOX From UNIMARC and MARC21 to Europeana Semantic Elements Additional import data formats Z39.50/SRU harvesting (December 2009)

18 The REPOX system for service providers and aggregators Main objective Provided a scalable tool for m anaging the metadata harvesting process: With capacity to manage hundreds of data providers With capacity to hold billions of metadata records

19 The REPOX system for service providers and aggregators Current Status and Plan Deployed in small/medium scale scenarios Public release planed for October 2009 Planned features for managing a large number of data providers: Scheduling harvests Monitoring OAI-PMH servers Automatic notifications of unavailability Central metadata transformations (Metadata registry) Programming APIs/Web Services Scalability Statistics OAI-PMH Aggregator Particular requirements of The European Library Office

20 The REPOX system Future work Under Europeana Connect project OAI-PMH management infrastructure Interoperability between REPOX and the Metadata Registry for metadata crosswalks

21 Thank you REPOX is available at: contacts:


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