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MetaDash

Chapin Hall at the University of Chicago is developing an open-source metadata tracking system, MetaDash, to help government, academic, and civic institutions manage and track information about their data holdings. The system will provide a predictable path for data acquisition, transformation, and publication on open data portals.

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MetaDash

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  1. Concept for an open-source metadata tracking tool Chapin Hall at the University of Chicago May 2014 MetaDash Full lifecycle metadata tracking

  2. Metadata tracking for government, academic and civic institutions • Chapin Hall is considering the creation of an open-source full-lifecycle metadata tracking system, tentatively named Metadash (seehttp://bit.ly/1gfFdOB) • Government, non-profit and academic institutions could freely download the MetaDash code base and install it on their network to track information about their data holdings • The metadata life cycle begins when when a data request is received or a data need arises • The project will build on the City of Chicago’s Metalicious data dictionary platform, which is maintained at Chapin Hall

  3. Data table information from the City of Chicago’s data dictionary

  4. A predictable path • A data set is requested, often in vague terms and we: • Evaluate any “candidate” data sets that could meet the request • Acquire the selected data sets • Transform the data in stages (clean, aggregate, geocode, join, slice) • Load the resulting data into finished data tables, normally in RDBMS • Enter metadata about the data set into a metadata library (you do, right?) • Publish the data on an open data portal • Make the data available as machine-readable APIs • Loop back to step 3 and repeat every month/quarter/year/decade

  5. Scattered fragments • Metadata and process documentation are scattered across many internal and external locations • Solution is an anchor app to pull linked web-based resources related to a specific data set (e.g., Chicago Public Schools data)

  6. Stay tuned Ideas, suggestions and other reactions are welcome! Greg Sanders gsanders@chapinhall.org

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