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The Web: resources and links

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The Web: resources and links Web link URL URL The Semantic Web: typed resources and links URL URL Web link ULAN Henri Matisse Dublin Core creator Painting Woman ... – PowerPoint PPT presentation

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Title: The Web: resources and links


1
The Web resources and links
Web link
URL
URL
2
The Semantic Web typed resources and links
Painting Woman with hat SFMOMA
Dublin Core creator
ULAN Henri Matisse
Web link
URL
URL
3
Pillar 1 semantic annotation
  • Description of web objects with concepts from
    multiple shared vocabulary
  • Option 1 semi-automatic metadata enrichment
  • Option 2 user-generated metadata

4
Pillar 2 semantic search presentation
Query Paris
  • Search for objects which are linked via concepts
    (semantic link)
  • Use the type of semantic link to provide
    meaningful presentation of the search results
  • Presentation styles
  • Semantic clustering
  • Map
  • Time line
  • Facet browsing

Paris
PartOf
Montmartre
5
The myth of a unified vocabulary
  • In large virtual collections there are always
    multiple vocabularies
  • In multiple languages
  • Every vocabulary has its own perspective
  • You cant just merge them
  • But you can use vocabularies jointly by defining
    a limited set of links
  • Vocabulary alignment
  • It is surprising what you can do with just a few
    links

6
Pillar 3 vocabulary alignment
Tokugawa
7
Planned large-scale deployment
  • Moving to 100-150M triples, 30 collections
  • EU cultural heritage portal
    http/www.europeana.eu
  • Scalability is key
  • Load balancing, 32Gb RAM
  • Search algorithms
  • Methodology for including new collections
  • Continuous user and usability studies
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