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A Metadata Application Profile for the DRIADE Project. Sarah Carrier, Jed Dube, Jane Greenberg March 13, 2007 _____________________. What is a Metadata Application Profile?.

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a metadata application profile for the driade project

A Metadata Application Profile for the DRIADE Project

Sarah Carrier, Jed Dube, Jane Greenberg

March 13, 2007

_____________________

what is a metadata application profile
What is a Metadata Application Profile?
  • “Application profiles consist of data elements drawn from one or more namespace schemas combined together by implementors and optimised for a particular local application.” (Heery and Patel, 2000)
    • Data Elements: Title, Name, Coverage, Identifier, etc.
    • Namespace schemas: Dublin Core, Data Documentation Initiative (DDI), Darwin Core, PREMIS, Ecological Metadata Language (EML), etc.
why create an application profile
Why create an Application Profile?
  • Single existing schemes are often not sufficient
    • Dublin Core, DDI, other element sets alone do not cover DRIADE needs
  • We look to supplement Dublin Core with others
    • But we may not need all elements (e.g. in DDI or PREMIS)
  • We look to other schemes because we don't want to re-invent the wheel
slide4
Object Types:

The publication

The published piece of data in the publication

The dataset behind the published data (supplemental)

An initial data source

Newly created data

(Heterogeneous) Data Types:

Structured labeled data

Structured unlabeled data

Unstructured textual data

Unstructured non-textual data

DRIADE’s application profile – combining a range of metadata to effectively support evolutionary biology data and digital repository functions:

  • Information life cycle:
  • Creation
  • Collection
  • Identification/Organization
  • Rights management
  • Archiving/Preservation
  • Access/Distribution
  • Usage
driade application profile development 1
DRIADE Application Profile Development (1)

A multi-methods approach:

  • Requirement assessment: Identified initial goals and functional requirements based on Dec. 5 meeting, plus amalgam of DRIADE team efforts-to-date. Initial questions included: How many elements are needed? What functions will the scheme support?
  • Content analysis: Examined various metadata schemes and employed the content analysis methodology to identify relevant elements.
    • Which schema is being analyzed and what elements are included?
    • How is the schema defined?
    • In what context was the schema designed, and how is it currently applied?
    • How does the context relate to DRIADE?
  • Crosswalk analysis: Mapped selected elements on spreadsheet for a comparison and selection for the DRIADE application profile. Included examples of element use.
driade application profile development 2
DRIADE Application Profile Development (2)

Procedures:

  • Considered Dec.5th meeting, DRIADE goals, Todd’s demo, data type extraction, keyword sampling,etc.
  • Considered information life-cycle, data object types, data types, metadata life cycle
  • Researched use of standards and recommendations for best practices, case studies
  • Identified potential metadata schemes/elements
  • Developed list of required metadata
  • Mapped required metadata to elements (spreadsheet)
  • Chose elements (Dublin Core where possible--mandatory and required elements from each scheme were considered a priority)
  • Completed Level 1
  • Work ongoing for Level 2
driade application profile
DRIADE Application Profile
  • Level 1 – initial repository implementation
    • metadata support for preservation, access, and basic usage of data
  • Level 2 – full repository implementation
    • (Level 1 plus) support for expanded usage, interoperability, preservation, administration, etc.
  • Level 3 – “next generation” implementation
    • May consider Web 2.0 functionalities
level 1 application profile
Name (DC:Creator)

Title (DC:Title)

Identifier (DC: Identifier)

Fixity? (PREMIS)

Relation (or Project, or Study)

Contributor (DC:Contributor)

Contact (DDI <contact>)

“Rights” (DC: Rights)

Date (DC: Date)

Description (DC: Description)

“Keyword” (DC: Subject)

Data Type (DC: Type)

Format (DC: Format)

Size? (DC: Format, PREMIS)

Software (DDI <software>)

“Locality” (DC: Coverage)

“Date Range” (DC:Coverage)

Species, or ScientificName (Darwin Core)

Level 1 Application Profile
level 2 application profile
Level 2 Application Profile
  • All Level 1 elements, PLUS:
  • Expanded information for preservation
  • More granularity for data description
  • More information about methodology
  • More about known linkages (to publications etc.)
  • Etc.
references
References
  • Application Profile Spreadsheet:

https://www.nescent.org/wg/digitaldata/images/e/e1/Applicationprofile-jedmar12.xls

  • Application Profile Bibliography/References:

https://www.nescent.org/wg/digitaldata/index.php?title=Development#Application_Profile