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The Electronic Cultural Atlas Initiative and Beyond: Using Space and Time in Retrieval

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Maggie Exon. What is ECAI? ... Sharing scholarly data in the humanities and social sciences ... Dataset definition problem. M.exon_at_curtin.edu.au. www.ecai. ... – PowerPoint PPT presentation

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Title: The Electronic Cultural Atlas Initiative and Beyond: Using Space and Time in Retrieval


1
The Electronic Cultural Atlas Initiative and
Beyond Using Space and Time in Retrieval
  • Maggie Exon

2
What is ECAI?
  • Not single project an umbrella group for tool
    development, education, advice and publishing
  • Published cultural atlases
  • Sharing scholarly data in the humanities and
    social sciences
  • Development of a dynamic GIS system in space and
    time using shared scholarly data- TimeMap
  • Archiving of scholarly data
  • Promotion of cultural atlas development
  • Retrieval of scholarly data

3
Retrieval by location
  • Place names are an established form of retrieval
  • Advantages of using GIS systems
  • No nomenclature problems
  • Locational relationships and patterns clearer
  • Can drill down to specific areas
  • Can display and analyse different datasets
    simultaneously

4
What is GIS?
  • Database tables which contain both locational and
    attribute information for geographical features
    points, lines and polygons
  • Tools to map features as layers, overlay the
    layers, access the attribute information and
    analyse the results
  • Point data containing coordinates (perhaps from
    GPS) is said to be geo-referenced and can be read
    by GIS software

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What about non GIS data?
  • For example statistical databases image
    databases, library and museum catalogues, text,
    archival finding aids, etc.
  • Will commonly include place-names or other place
    designators
  • If naming or coding consistent with GIS has been
    used, can link data directly to GIS data.
  • Otherwise need gazetteers

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GIS software
Scholars data
GI data
GIS software
13
Scholars data
Gazetteer data
GIS software
Scholars data
GI data
Gazetteer data
GIS software
14
Gazetteer issues
  • Complexity of places in time and space
  • Feature types
  • Specialist gazetteers for specific projects
  • Collaborative gazetteers
  • Interoperability
  • Geoparsing
  • Standards

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Metadata system
  • Metadata Clearing House records whole datasets
  • Descriptive metadata inc time and date
    information for whole dataset
  • Connection metadata
  • Dataset definition problem

26
  • M.exon_at_curtin.edu.au
  • www.ecai.org
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