Semantic Marks - PowerPoint PPT Presentation

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Semantic Marks

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Semantic Marks A semantic mark is an excerpt (marked region) in a base document, an address for that marked region, and a user-defined label (possibly typed) that – PowerPoint PPT presentation

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Title: Semantic Marks


1
Semantic Marks
  • A semantic mark is
  • an excerpt (marked region) in a base document,
  • an address for that marked region, and
  • a user-defined label (possibly typed) that
  • expresses the meaning of that marked region in a
    particular perspective, and
  • can be used to access or refer to the marked
    region
  • A semantic mark allows referencing of marked
    regions based on meaning (content) not location

2
Semantic Marks
  • Provides a useful abstraction to separate the
    mapping of a marked region to its base layer
    address from the mapping of a semantic label to a
    marked region
  • A single label can reference multiple instances
    of the same entity/concept (occurring in one or
    more documents)
  • When knowledge/belief changes or the base
    document changes, can remap label to a new marked
    region
  • The history of mappings provides provenance a for
    concept
  • Can use same label to reference a marked region
    that was remapped to a new address when a
    document was changed
  • Label can be used to assert relationships and
    correspondences
  • Can facilitate creation and sharing of multiple
    interpretations in the superimposed layer over
    documents in the base layer

3
NVivo
4
Using Manual Marks with Meaningful Labels to
Organize and Structure Data
  • Sticky tabs indicate the vertical position on the
    page
  • Labels indicate the type of data being marked and
    provide an informal schema for organizing
    information

5
Using Manual Marks with Meaningful Labels to
Organize and Structure Data
One label summarizes multiple data items
6
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