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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?.

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A Metadata Application Profile for the DRIADE Project

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

  2. 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.

  3. 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

  4. 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

  5. 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.

  6. 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

  7. 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

  8. 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

  9. 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.

  10. 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

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