Meghini - Europeana Data Model @EUscreen Mykonos
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Meghini - Europeana Data Model @EUscreen Mykonos Meghini - Europeana Data Model @EUscreen Mykonos Presentation Transcript

  • A look at the Europeana Data Model Carlo Meghini, Stefan Gradmann, Antoine Isaac EUScreen Workshop on Metadata Mykonos, June 24, 2010
  • Rationale • Rich functionality (semantic search) requires rich representations • Rich representations exists: collect them (1) • Interoperability is the problem: •  models: connect (2) •  values: normalize (3) • Multilingualism cuts across • Need a lot of knowledge: link (4) Mykonos, June 24, 2010 EUScreen Workshop on Metadata 2
  • Tools • Collect existing metadata as they are: OAI ORE • Connect classes and properties: basic ontology (CIDOC CRM, DC, SKOS, VRA) + mappings • Web architecture, in particular URIs • Link metadata to existing resources •  Linked Open Data Mykonos, June 24, 2010 EUScreen Workshop on Metadata 3
  • History • ESE •  quickly set up prototypes •  keep barriers low •  build on Dublin Core •  Rhine based on ESE V3.2 Mykonos, June 24, 2010 EUScreen Workshop on Metadata 4
  • EDM development •  version 1: initial surrogate model with rich set of contextualization properties •  version 2: OAI-ORE aggregations and SKOS concepts •  release 2: 1st Europeana plenary •  version 3 •  version 4: IRW ontology •  release 1: December 2009 •  release 2: February 2009 •  version 5: integration of ESE, evaluation through domain meetings •  release 1: April 2010 •  release 2: next week Mykonos, June 24, 2010 EUScreen Workshop on Metadata 5
  • The general picture Mykonos, June 24, 2010 EUScreen Workshop on Metadata 6 6
  • The class taxonomy Mykonos, June 24, 2010 EUScreen Workshop on Metadata 7 7
  • Property taxonomy (without ESE properties) Mykonos, June 24, 2010 EUScreen Workshop on Metadata 8
  • The Example - 1 Mykonos, June 24, 2010 EUScreen Workshop on Metadata 9 9
  • The Example - 2 Mykonos, June 24, 2010 EUScreen Workshop on Metadata 10
  • Providing an aggregation of digital resources for a cultural object RDF graph with specific conventions for resource types and sub-properties Mykonos, June 24, 2010 EUScreen Workshop on Metadata 11
  • Has View Mykonos, June 24, 2010 EUScreen Workshop on Metadata 12
  • Modeling Mona Lisa •  There’s a resource that stands for Mona Lisa as an object in Museum •  Ideally identified by a URI assigned by Direction des musées de France •  classified using a DMF ontology •  But DMF has a specific description for that object •  Other institutions might have a different one! Mykonos, June 24, 2010 EUScreen Workshop on Metadata 13
  • So we create Proxies Mykonos, June 24, 2010 EUScreen Workshop on Metadata 14
  • Becomes really handy when there are several records for a same object Berlin, June 24, 2010 Mykonos, Jan. Europeana Librarian EUScreen Workshop on Metadata 15 15 25-26, 2010 Community Meeting20100324
  • And there are always several information providers: think of Europeana! Berlin, June 24, 2010 Mykonos, Jan. EUScreen Workshop on Metadata 16 16 25-26, 2010
  • Landing Page Mykonos, June 24, 2010 EUScreen Workshop on Metadata 17
  • Back to proxies: don’t look at that! Berlin, June 24, 2010 Mykonos, Jan. EUScreen Workshop on Metadata 18 18 25-26, 2010
  • Remember: one provider may not need to submit data for everything Europeana should take care of maintaining the whole structure Mykonos, June 24, 2010 EUScreen Workshop on Metadata 19
  • Now for metadata describing the object •  EDM is flexible •  Common, simple object-centric approaches •  More sophisticated event-aware approaches •  In fact, any approach? •  Crucial principle: mapping •  Keep original metadata •  Map to more general interoperability level Mykonos, June 24, 2010 EUScreen Workshop on Metadata 20
  • Contextualization property taxonomy Mykonos, June 24, 2010 EUScreen Workshop on Metadata 21
  • hasMet/isAbout with simple values Mykonos, June 24, 2010 EUScreen Workshop on Metadata 22 22
  • hasMet/isAbout & fully-fledged contextualization Mykonos, June 24, 2010 EUScreen Workshop on Metadata 23
  • Reminder: classes for context entities Who, what, when, where Mykonos, June 24, 2010 EUScreen Workshop on Metadata 24
  • Enabling event-aware descriptions: Was Present At, Happened At, Occurred At Mykonos, June 24, 2010 EUScreen Workshop on Metadata 25
  • Mykonos, June 24, 2010 EUScreen Workshop on Metadata 26
  • Amphora of Tuthmosis III Mykonos, June 24, 2010 EUScreen Workshop on Metadata 27 27
  • Advanced EDM •  Relations between “provided” objects •  Part-whole links for complex objects •  Derivation and versioning relations Mykonos, June 24, 2010 EUScreen Workshop on Metadata 28
  • Has Part Mykonos, June 24, 2010 EUScreen Workshop on Metadata 29
  • Properties for Versioning & Derivating Mykonos, June 24, 2010 EUScreen Workshop on Metadata 30
  • Is Representation Of Mykonos, June 24, 2010 EUScreen Workshop on Metadata 31 31
  • More information •  EDM Specification •  EDM Primer Mykonos, June 24, 2010 EUScreen Workshop on Metadata 32 32
  • Thank you! • Questions Mykonos, June 24, 2010 EUScreen Workshop on Metadata 33