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Discovery Level Metadata Basic Information to describe a resource Includes mandatory elements Should be “valid” metadata Different standards have different “mandatory”, “mandatory-if-applicable”, and “optional” fields
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Metadata Content
Entering Metadata Information
Discovery vs. Access vs. Understanding• Cannot search on content
if it is not documented.• Cannot access data if links
and access instructions are not included.
• Cannot understand content if attributes, definitions, domains, units, etc. are not included!
Discovery Level Metadata• Basic Information to describe a resource• Includes mandatory elements• Should be “valid” metadata
• Different standards have different “mandatory”, “mandatory-if-applicable”, and “optional” fields
Standard X
Standard Y Standard Z
Shared Core Content
Required for Project Open Data
• title • description• tags• last update• contact name• contact email
• unique identifier• public access level
Required if Applicable for Project Open Data
• bureau code• program code• access level
comment• data dictionary• Download URL• format• license
• spatial• temporal
Expanded Fields for Project Open Data
• release date• frequency• language• data quality• category
• related documents
• homepage url• system of records
WHAT’S NEEDED TO DESCRIBE OUR DATA?
Things to include in metadata….
• Name of Survey• Name of Vessel• Depart location, time• Date• Location• Number of Legs
• Return location, time• Cruise objectives• Methods
Methods• Site Selection• Collection Methods• Equipment– Lasers for fish length– Seabird SBE25
sealogger CTD– Chevron fish trap– TDR
Results• # sites sampled – video array• # sites – chevron trap• Station Data – Location, Area, Depth…• Fish Capture – Area, Station #, Weight…• Reel Catch – Hook #, Hook Size, Taxa, Length,
Weight…
USING A TEMPLATE
**template**• File identifier• Date Stamp• Title• Identifier (code)• Responsible Party (PI)– Position Name– Email
• Aggregation Data set (collection level)
• Geographic Extent• Temporal Extent• Vertical Extent
Title• Very important field• Sometimes used as unique identifier• Want to be able to distinguish one record
from another• Think about “granularity” of the dataset– Is the record for a whole survey?– Is the record for a cruise?
Abstract• Description of the dataset.• Should reflect the granularity– Survey, cruise
Points of Contact• Principal Investigator– How much contact information to include? – Name and Email? Complete Contact Info?
• Other POC’s– Metadata Contact– Data Manager/Distribution Contact
Docucomp Components
QUESTIONS?