IMS Vocabulary Definition and Exchange

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IMS Vocabulary Definition and Exchange
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IMS Update Vocabularies Definition Exchange
(VDEX)

• Aim allow the lightweight exchange/expression of
  machine readable lists of terms
• Status Public draft has been approved (19 votes
  to 1, 8 abstentions) but not yet made public.

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VDEX Scope

• vocabulary value domain, permitted values
• flat list of terms,
• hierarchy of terms,
• glossary, dictionary,
• Thesaurus
• Out of Scope
• Polyfaceted multihierarchical schemes.
• Knowledge domain modelling, topic maps

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VDEX Information Model

• Vocabulary Identifier
• Registration status
• Vocabulary Name
• Profile Type
• lax, thesaurus, hierachicalTokenTerms,
  glossaryOrDictionary, flatTokenTerms
• Order significant
• Default Language
• Metadata
• Term

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VDEX Information Model (2)

• Term
• Identifier
• Caption
• Description
• Media Descriptor
• Relationship (eg UF, BT, NT...)
• Order significant
• Metadata
• Term

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Uses of VDEX

• Record creation
• Record validation
• To hold a list of values for any of the
  vocabType elements in the LOM (e.g. Learning
  Resource Type)
• To hold the classification schemes used in
  section 9 of the LOM
• (if they are lightweight?)