[2024]Digital Global Overview Report 2024 Meltwater.pdf
The Delaware Geospatial Metadata Standard
1. M I K E M A H A F F I E
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M I K E . M A H A F F I E @ S T A T E . D E . U S
S T A T E P L A N N I N G . D E L A W A R E . G O V / D G D C
The Delaware Metadata
Standard
3. What did you need then?
Data
What do you need now?
Data
4. But…
You need to know what
you are looking at…
…who created it…
...when…
… how…
…why?
You need…
5. Metadata
Data about data
The details behind the fancy maps and analysis
“What does “1” mean in the field “IS_OPEN”?
And it is required in state law
6. 29 Delaware Code, Ch. 91
§ 9144. Publication of geospatial data and information in Delaware.
All geospatial data and information created by or for any state, county or local agency, or by
or for any other organizations receiving state funds in whole or in part for the development
of such data, shall be subject to the following conditions:
(1) All geospatial data and information shall be considered to be in the public domain…
(2) Metadata for all geospatial data and information shall be published on … any
clearinghouse system that may be approved the by the Executive Council of the Delaware
Geographic Data Committee …
a. All metadata shall meet at least the minimum metadata specifications
approved by the Executive Council of the Delaware Geographic Data Committee.
b. Metadata shall be published for data projects at all stages of development including
planning for data acquisition, data collection and creation, publication as draft and
final publication.
c. Restrictions placed on geospatial data and information pursuant to paragraph (1) of
this section shall not apply to metadata for those data sets.
(3) Agencies or entities responsible for the creation of any geospatial data and information
in or representing Delaware shall make all efforts to provide full and practical access to
such geospatial data and information.
7. The Metadata Standard
Developed by the DGDC standards subcommittee
A necessary subset of the full-on, mega-scary,
federally official FGDC metadata
The full monty is fine, if you are responsible enough
to go for it.
But there are a set of data fields that we really need…
8. Required -- ID
Title (what)
Abstract and purpose (why)
Access and use constraints
Contact information and agency (who)
Publication date and time period (when)
Progress/updates
Bounding coordinates (where)
Theme and place keywords (for search-ability)
Security classification
10. Places – Delaware Place Thesaurus
A list of populated places and locales
Based on GNIS
You can’t go too far wrong with
Delaware
Kent County
New Castle County
Sussex County
But feel free to use
Little Bacon Island
Scrap Tavern Crossroads
bit.ly/de_places
11. Required – Other Info
Spatial reference (projection)
Distribution type and contact
“Downloadable data”
Metadata information (Data about data about data)
Who created the metadata
When
12. Optional (but Important) Items
Security classification system
Data quality and process steps
Vertical coordinate system
Attribute Domain Values
What does this mean?
13. Metadata is Required
The new Data Exchange being developed at DTI will
require valid metadata for data uploads
Validated against our own standard
14.
15.
16. Do This, and…
…no one gets hurt
…we can all get back to work
17. M I K E M A H A F F I E
3 0 2 - 6 7 2 - 5 1 3 7
M I K E . M A H A F F I E @ S T A T E . D E . U S
S T A T E P L A N N I N G . D E L A W A R E . G O V / D G D C
G r a p h i c s g l e e f u l l y s t o l e n f r o m a 1 9 8 2 A r c I N F O b r o c h u r e
p o s t e d o n “ G I S a n d S c i e n c e ”
( b i t . l y / 8 2 _ a r c i n f o )
The Delaware Metadata
Standard