Contextual Details Needed to Make Data Meaningful to Others Prepared by: Liza Coburn, MBL-WHOI John Furfey, MBL-WHOI Alex May, Tufts Alicia Morris, Tufts Jen Walton, MBL-WHOI CC BY-NC Learning Objectives 1. Understand what metadata is 2. Understand why metadata is important 3. Identify applicable standards for documenting and capturing metadata 4. Understand disciplinary practices associated with the collection and sharing of metadata 5. Identify an approach to creating metadata for a project Module 3: Metadata What is Metadata? Metadata is structured information that describes, explains, locates, or otherwise makes it easier to retrieve, use, or manage an information resource. Metadata is often called data about data or information about information” (NISO, Understanding Metadata 2004;1). Module 3: Metadata You Must Have Metadata to: • Find data from other researchers to support your research; • use the data that you do find; • help other professionals to find and use data from your research; • use your own data in the future when you may have forgotten details of the research. Module 3: Metadata Basic Types of Metadata • Descriptive metadata • Structural metadata • Administrative metadata Module 3: Metadata How Metadata Facilitates Discoverability and Reuse • Accessibility • Discoverability Module 3: Metadata Some Metadata Standards Discipline Metadata Standard Biology Darwin Core Geography Content Standard for Digital Geographic Metadata (FGDC) Ecology Ecological Metadata Language (EML) Agriculture Ag Metadata Element Set (AgMES) Earth sciences/climatology Climate and Forecast (CF) Physical sciences Crystallographic Information Framework General data Datacite General for any type of resource Dublin Core Module 3: Metadata Module 3: Metadata Controlled Vocabularies Eliminate Ambiguity • Preferred spellings – catalog vs. catalogue • Scientific vs. popular terms – parrots vs. psittacidae • Preferred synonyms – automatons vs. robots Module 3: Metadata Technical Standards ISO 8601 technical standard: • • • • Year Only: YYYY (eg 1997) Year and month: YYYY-MM (eg 1997-07) Complete date: YYYY-MM-DD (eg 1997-07-16) Media types can be problematic as well: – The MIME media types helps you chose among the following: Application, audio, example, image, message, model, multipart, text, video Module 3: Metadata Media Types The MIME media types: • • • • • • • • Application Audio Image Model Multipart Message Text Video Module 3: Metadata General Metadata Elements Title Methodology Creator Data processing Identifier Sources Subject List of file names Funders File formats Rights File structure Access Information Variable list Language Code lists Dates Versions Location Checksums Module 3: Metadata Best Practices • • • • • • • • Consult a librarian! Consistent data entry is important Avoid extraneous punctuation Avoid most abbreviations Use templates and macros when possible Extract pre-existing metadata Keep a data dictionary Always use an established metadata standard Module 3: Metadata Activity • Use the Dublin Core metadata elements to create a metadata “record” for a data set you are working with • Use the Dryad Dublin Core record as a guide. Module 3: Metadata