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Writing Metadata
Working Towards Best Practices
Tips for Writing Metadata• First records are the hardest• Not all fields may need to be filled in• Tools are available• Training classes can be taken• Can often be produced automatically• Can (and should) be reviewed for
updates
Writing Metadata
Organize your informationOrganize your information
Write your metadata fileWrite your metadata file
Review your fileReview your file
Have someone else reviewHave someone else review
ReviseRevise
PublishPublish
Organize your informationOrganize your information
Write your metadata fileWrite your metadata file
Review your fileReview your file
Have someone else reviewHave someone else review
ReviseRevise
PublishPublish
Writing Metadata
• Before you begin writing, get organized
• Document your data as you go• Write so others can
understand• Always review your document
Write so that others will understand
Some Helpful Items
coffeechocolate
standard and/orworkbook
sense of humor!!!
metadata entry tool
Keep Your Reader In Mind
• Write simply but completely• Document for a general
audience• Be consistent in style and
terminology• Define acronyms• Avoid using jargon• Clearly state data limitations
Lunch Break
• Back at 11:30 Central
Writing Metadata
• Write a complete “Title”
• What • Where • When• Who
Which is better?
Greater Yellowstone Rivers from 1:126,700 Forest Visitor Maps (1961-1983)
The title is critical in helping others find your data.
Vague: We checked our work and it looks complete.
Specific: We checked our work using 3 separate sets of check plots reviewed by 2 different people. We determined our work to be 95% complete based on these visual inspections.
Vague: We checked our work and it looks complete.
Specific: We checked our work using 3 separate sets of check plots reviewed by 2 different people. We determined our work to be 95% complete based on these visual inspections.
Be specific. Quantify when you can.
Select your keywords wisely
• Use unambiguous words
• Use descriptive words
• Fully quality geographic locations– Don’t rely on extent– Use place keywords as well
ISO Creation Methods• Several ways to create ISO Metadata
• Transform from existing metadata• Use templates• Create from “scratch”
Your input here is an
xml version of a CSDGM
record.
XSLT Transformationcsdgm2iso19115.xslt
Your result is an xml instance of an ISO 19115
record.
Transforming Metadata
Existing standard metadata
Target metadata standard format
Transforming Metadata
This is a part of the mapping for FGDC CSDGM to ISO 19115.
Comments are Best Practices or Questions
Other Transformations• ISO to FGDC• DIF to ISO• FGDC THREDDS• netCDF to ISO• Various ISO and FGDC views• Custom transforms – from databases to metadata standards
Transforming Metadata
http://www.ncddc.noaa.gov/metadata-standards/metadata-xml/
Creating ISO Metadata From “Scratch”
General Steps for XML Editors• Open Editor• Create New XML Document• Associate Schema with XML Document
– Use Offline Schema OR– Online Schema
• Select Root Element – MI_Metadata
• Edit File in Editing Window– Use Entry Helper Features– Use Auto-population Features
Open XML Editor
Project Window Features
Create New XML Document
Associate Schema with XML Document
Select Root Element
Edit File in Editing Window
Finish Editing
Validate File
Validation Error
InPort – NMFS Metadata Catalog
InPort Advanced Search
InPort Organization
InPort Search Results
Data Set Record
QUESTIONS?