3TU Datacentrum Tech Overview
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3TU Datacentrum Tech Overview

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Presented at 3TU Datacentrum project group in Utrecht April 2009

Presented at 3TU Datacentrum project group in Utrecht April 2009

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3TU Datacentrum Tech Overview 3TU Datacentrum Tech Overview Presentation Transcript

  • 3TU Datacentrum Back-end An overview of current status as to the technical infrastructure. Etienne Posthumus TU Delft Library 14-04-2009
  • Overview • Fedora Repository Software • Python middleware • Fedora Front-end • Dataset types • Current Datasets
  • Fedora Repository Software Investigation of use in past year Institutional repository implemented Not perfect, but most flexible of comparable systems. The DIY downside is paradoxically also a key benefit.
  • Python middleware • Django Application framework • Agile software development • Fedora coupling via REST HTTP API • Also use SOLR for indexing • Fall-through to Fedora provided services always possible
  • Fedora Front-end • XSLT based • Dynamic queries based on Resource Index • Multiple output formats possible • Used CMA for behaviours
  • Ellips: Fedora object Pijl: relatie (rdf) Kleine rechthoek: tekstuele metadata Grote rechthoek: datastream (anders dan DC of RELS-EXT) Diagram by E Gramsbergen
  • Fedora Front-end • XSLT based • Dynamic queries based on Resource Index • Multiple output formats possible • Used CMA for behaviours demo link en link
  • Dataset types We identify two different types • archival ingested submissions • enriched objects
  • Dataset types Archival Submissions • Recorded, checksum as-is • For reference purposes
  • Dataset types Archival Submissions • Recorded, checksum as-is • For reference purposes • Considering Bagit(from Library of Congress) • Or accepting the Fedora FOXML format
  • Dataset types Enriched objects Possible conversions to other formats For example CSV to XML Manageable chunks
  • Dataset types Enriched objects Possible conversions to other formats For example CSV to XML Manageable chunks Selected metadata as RDF Stored in Resource Index
  • Current Datasets • DARELUX • WindZon • Flame • Asfalt • Water
  • Discussion/Questions