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MTA SZTAKI

Department of Distributed Systems. The problems of persistent identifiers in the context of the National Digital Data Archives of Hungary Andr ás Micsik L ászló Kovács. MTA SZTAKI. Introduction of MTA SZTAKI. MTA = Hungarian Academy of Sciences

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MTA SZTAKI

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  1. Department of Distributed Systems The problems of persistent identifiers in the context of the National Digital Data Archives of Hungary András MicsikLászló Kovács MTA SZTAKI

  2. Introduction of MTA SZTAKI • MTA = Hungarian Academy of Sciences • SZTAKI = Computer and Automation Research Institute • Member of ERCIM, EU Centre of Excellence • Department of Distributed Systems (DSD) • Main topics: digital libraries, metadata, groupware, web applications • Some of our past EU projects: Web4Groups, DELOS, CORES, StreamOnTheFly • Disseminating European experience and knowledge to the local level (libraries, town councils, etc.)

  3. National Digital Data Archives (NDA) • „The NDA is the nation's digital datastore.” • „The NDA is a new archive for a knowledge-based society and the digital era that makes Hungary's national cultural assets available in a digital form for a wide range of users and by utilising the new features of the network medium it creates added value at service level.” • State initiative with an emphasis on • Openness • Self-organization and cooperation

  4. NDA supported activities • Digitization of cultural assets • Creation of metadata records for digitized items • Providing access to metadata (OAI) • Implementing NDA services • Unified search engine • Ontology servers • Metadata scheme server

  5. Scope of NDA • Content • Cultural content • State administrative content • Products of memory institutions • Types of content • Text • Image • Movie • Museum objects, etc.

  6. NDA Architecture • Based on OAI • Specialized metadata schemes for NDA • Document, film, programme, etc. • Repositories • Common services • Search engines • Thesaurus • Directory and name lookup service for • Persons • Organizations • Locations • Etc.

  7. Persistent identifiers • Persistent identifier solution is needed for the following types of objects: • Services • Digital content objects • (metadata records?) • Persons • Organizations • Locations • (geographic names may change in time) • Events • Thesaurus items

  8. Requirements for persistent identifiers • Can handle high volume of identifiers (millions of ids) • Based on open standard • Easy to integrate with OAI infrastructure • Contains information on • type of identified object • containment relation? • date of id creation?

  9. Further information • Links: • http://www.nda.hu(NDA portal and search engine) • http://nda.sztaki.hu(NDA compatible search engine) • Contact: • András Micsik (micsik@sztaki.hu)

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