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Metadata Content
Entering Metadata Information
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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!
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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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Standard X
Standard Y Standard Z
Shared Core Content
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Required for Project Open Data
• title • description• tags• last update• contact name• contact email
• unique identifier• public access level
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Required if Applicable for Project Open Data
• bureau code• program code• access level
comment• data dictionary• Download URL• format• license
• spatial• temporal
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Expanded Fields for Project Open Data
• release date• frequency• language• data quality• category
• related documents
• homepage url• system of records
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WHAT’S NEEDED TO DESCRIBE OUR DATA?
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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
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Methods• Site Selection• Collection Methods• Equipment– Lasers for fish length– Seabird SBE25
sealogger CTD– Chevron fish trap– TDR
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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…
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USING A TEMPLATE
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**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
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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?
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Abstract• Description of the dataset.• Should reflect the granularity– Survey, cruise
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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
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Docucomp Components
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QUESTIONS?