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Virtual Language Observatory Facetted Browsing. Claus Zinn Max Planck Institute for Psycholinguistics Nijmegen, The Netherlands [email protected] Clarin Information Day, Nijmegen, July 1st 2009. Facetted Navigation.

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virtual language observatory facetted browsing

Virtual Language ObservatoryFacetted Browsing

Claus Zinn

Max Planck Institute for Psycholinguistics

Nijmegen, The Netherlands

[email protected]

Clarin Information Day, Nijmegen, July 1st 2009

facetted navigation
Facetted Navigation
  • Help users browse/find resources based on more than one dimension, or facet
    • clearly defined, mutually exclusive, collectively exhaustive
    • E.g, book collection classified using an author facet, a subject facet, a date facet etc.
  • Selecting a facet refines the result set
  • Can see breakdown and projections of the items along the dimensions (given prior facets selection)
  • Helps gathering insights about the data they are exploring
  • Used by many commercial sites
  • Computationally intensive: #contexts in browsing space grows exponentially with #items, #facets, #values
virtual language observatory s
Virtual Language Observatory(s)
  • CLARIN LRT Resources
    • 42 attributes
    • 9 facets, with up to 196 values (organisations)
    • 828 records
    • DEMO
  • CLARIN LRT Tools, DEMO
  • DFKI NLP Software Registry, DEMO
  • IMDI Metadata
    • 32 attributes
    • 13 facets, with up to 365 values (language)
    • Ca. 190.000 IMDI records, all corpora
    • DEMO
challenges
Challenges
  • Merge various DBs
    • Get on board the various existing content providers
    • Unify/map between metadata schemas
    • Use facets as focus points
    • Indicate origin of information provider
  • Scalability issues
    • #items, #facets, #values
  • Usability issues
    • Which facets, when?
  • Curation
    • Local/central & synch.
    • e.g., organisation names, language names
  • Integration with other access methods
    • IMDI Browser, Geographical Browser, Lexical Space (LEXUS), Conceptual Space (ViCoS)
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