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Knowledge models for government information

Marco Aarts Oslo, april 3 2008. Knowledge models for government information. Marco Aarts Knowledge Technologies Consultant. marco.aarts@overheid.nl. The Dutch government. waterboards. Public announcements. meta data. integration. E-government. transparancy. front office. local.

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Knowledge models for government information

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  1. Marco AartsOslo, april 3 2008 Knowledge models for government information

  2. Marco AartsKnowledge Technologies Consultant marco.aarts@overheid.nl

  3. The Dutch government waterboards Public announcements meta data integration E-government transparancy front office local web guidelines companies portals central ministries permits citizens collaborativeservice catalogues legislation personalisation provinces search agencies municipalities monitor

  4. Gorvernment organisations of the Netherlands • 443 municipalities • 12 provinces • 29 waterboards • Central governments • Ministries • QUANGO’s • … • Regional cooperations

  5. Government organisations Metadata standards for publication Centralindex HTML XML XHTML XML overheid.nl “no wrong door” 225+ government websites

  6. Metadata and Controlled vocabularies

  7. location theme Life event in Search term X + y / z2 out Bridging the gap title language type publisher date/time location subject abstract Collections

  8. Basic challenges • How to define entities and their relations • From many different sources and domains • Not “one model to rule them all” • Management of entities and relations by responsible authority • Easy integration of existing models • Easy expansion with new models • In an open, standardized way • for use in vendor tools

  9. Waterboards Parliament Ministry 1 ICTU Municipalities Ministry 2 Cadastre Why not a Topic Map indeed?

  10. Issues and discussion • How to define & manage: • Knowledge models • published subject indicators • For entities • What level of granularity? • For less concrete things • Life events, search terms • Across many organisations and domains • Through time and space

  11. Marco AartsOslo, april 3 2008 Topicana

  12. OWMS • Government-wide Web Metadata Standard • Based on Dublin Core • (Current) version 3.5: • Elements • Encoding schemes • Syntax encoding schemes (i.e. W3CDTF) • Controlled Vocabularies • (Future) Version 4.0: • Same data • Expressed as entities and relations

  13. Topicana • Management tool for knowledge models • For internal use • Support for basic Topic Maps structure (TAO) • Features • Easy editing of knowledge models • User interface • Microsoft Excel export/import • Publish to any format using XSL • Custom processing for each individual topic • XHTML, XML, XTM • Data: OWMS 3.5, ready for OWMS 4.0

  14. Controlled vocabularies

  15. Controlled vocabulary: Ministries

  16. Metadata element: DC.publisher

  17. Occurrences

  18. HTML publication

  19. HTML publication

  20. XTM publication

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