Comparison of Metadata Standards: FGDC, ISO, and NAP

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ISO Standards: Status, Tools,
Implementations, and Training
 
Standards/David Danko
 
What I’m covering
 
NAP ISO 19115
Overview of NAP
What’s different and what’s common between
FGDC and NAP (and ISO 19115)
ISO Metadata Standards
Fundamental metadata, data quality, feature
catalog, imagery and gridded data
What’s new in ISO 19115-1
Schedule
 
North American Profile (NAP) of ISO
19115:2003 Metadata
 
Selection of items from ISO19115:2003
Promotion of optional fields to mandatory
Extension of code lists
Addition of values to existing code lists
Addition of code lists
Introduction of a multilingual register
Compliant to ISO19135:2005 on registers
English and/et Français
Metadata items
Code lists
Register is accessible on the Web
XML document
Web Services
Web Browser
 
 
NAP ISO 19115:2003
 
Title: NAP – Metadata
1. Preface (Introduction)
1.1. About Metadata
1.2. Using Metadata
2. Scope
3. Normative References
4. Terms and Definitions
5. Symbols and Abbreviated Terms
6. Metadata Content
6.1. Best Practices
7. Cultural and Linguistic Adaptability
8. Code Lists
9. NAP Metadata Registry
Annexes
Data Types
Metadata schemas/UML - normative
with differences from ISO identified
Conformance Clauses
Metadata implementation
FGDC to NAP Metadata
undefined
FGDC - NAP “Equivalences”
Metadata reference info
Identification info
Data quality
Spatial data Organization
Spatial Reference info
Entity attribute info
Distribution info
 
Metadata info
Identification Info
Constraint info
Service info
Data Quality info
Maintenance info
Spatial Representation info
Reference system info
Content info
Portrayal Catalogue info
Distribution info
Application Schema info
FGDC
NAP
 
Differences between FGDC – ISO – NAP
 
FGDC
 
Primarily mandatory
elements
Mandatory if
Applicable
No language
identification
requirements
Outdated elements
US oriented
reference systems
Heavy use of free
text
 
ISO
 
Minimum
mandatory
Unambiguous
conditional
statements
Core metadata
International focus
Code lists
 
NAP
NAP
 
Moderate increase in
mandatory elements
Best practices
Includes service
metadata (ISO
19119)
Increased use of
code lists
 
Comparison of mandatory elements
 
FGDC
 
Metadata Reference info
Date
Contact
Metadata Standard name
Metadata Standard version 
*
Identification Information
Citation
Description
Abstract
Purpose 
*
Status
Maintenance frequency 
*
Progress
Time Period of Content
 *
Date
Currentness reference 
*
Spatial Domain
Bounding Box
Keywords 
*
Theme
Keywords
Access Constraints 
*
Use Constraints 
*
 
NAP
 
Metadata info
dateStamp
Contact
Metadata Standard name
File Identifier
 
*
Language (metadata)
 
*
Character set
 
*
Parent Identifier (C)
 
*
HierarchyLevel (default = dataset)
 
*
Locale (C) 
*
 
 (if multiple languages
used)
Identification information
Citation
Abstract
Status (with codelist)
Language
 
*
Topic Category
 
*
Extent (C)
 *
Bounding box
Or
Geographic Description
 
*
 
*
 Difference FGDC vs NAP
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Comparison of mandatory elements (cont)
 
Citation
Title
Publication date
Originator
Edition 
(MifA)
Presentation form
(MifA)
Series 
(MifA)
Publication info 
(MifA)
Place
Publisher
Other details 
(MifA)
Larger work citation
(MifA)
 
Citation
Title
Date
Date type
Responsible Party
Individual, organization,
and/or position name
Contact information
role
 
FGDC
 
NAP
undefined
 
FGDC Entity–Attribute 
and 
NAP Content Info Feature Catalog
 
Entity_and_Attribute_Infor
mation =
[1{Detailed_Description}n |
1{Overview_Description}n |
1{Detailed_Description}n +
1{Overview_Description}n]
Detailed_Description =
Entity_Type +
0{Attribute}n
Entity_Type =
Entity_Type_Label +
Entity_Type_Definition +
Entity_Type_Definition_Source
Attribute =
Attribute_Label +
Attribute_Definition +
Attribute_Definition_Source +
1{Attribute_Domain_Values}n +
0{Beginning_Date_of_Attribute_Valu
es +
0{Ending_Date_of_Attribute_Values}
1}n +
(Attribute_Value_Accuracy_Informati
on) +
(Attribute_Measurement_Frequency)
 
Content Information
Feature Catalogue Description
Compliance code
Language
IncludeWithDataset (M)
FeatureTypes (M)
Feature Catalogue Citation (M)
 
NAP
 
FGDC
 
ISO 19110
Compliant
Feature/Attribute
Catalog
 
Coverage Description
Attribute description
Content type code . . .
 
ISO Metadata standards
 
ISO 19115:2003 Metadata - revision (ISO 19115-1) 
(in work)
ISO standards are reviewed every 5 years – vote to revise
Changes not major
Target  2013
ISO 19115-2:2009 Extensions for imagery and gridded data 
(complete)
ISO 19139-2 Metadata  - XML schema for imagery and gridded data 
(in work)
DTS released 2011-07-18 vote due 2011-10-18
ISO 19139:2007 Metadata XML Schema 
(complete
)
Revision pending following 19115-1 completion
ISO  19110:2005 Feature Catalogue Amendment 1
Just published by ISO  - XML Schema FC encoding
ISO 19110 Revision 
(in work)
First PT meeting
ISO 19157 Data quality (incorporating 19113/19114/19138) 
(in work)
UML model for Quality
DIS approved
 
What’s new in ISO 19115-1
 
Concept of “recommended core” was removed
Incorporating services metadata from ISO 19119
Data Quality moving to ISO 19157
Feature catalog information (entity/attribute
metadata) enabled (physically or by link)
Responsible party restructured to enable reuse for
different roles
Many new elements added/improved - examples:
metadata identifier improved, MD_Scope and
MD_KeywordClass classes added, online linkage in
Citation, Reference system type code attribute added,
. . ., 74)
 
ISO 19115-1 FC/EA information
 
12
 
OnlineResource reference to the cited
resource now included in Citation
 
The feature catalogue
 
Schedule
 
ISO 19115-1
 
EC revised document sent out for review
 
2011-8-31
 
Vote in Pretoria
 
2011-11-18
 
Draft International Standard
 
2011-12
 
Final Draft International Standard 
 
2012-12
 
International Standard
 
2013-05
ISO 19157 Data Quality
DIS
 
2011-06
FDIS
 
2012-06
IS
 
2013-01
ISO/TS 19XXX XML schema implementation of ISO 19115-1
A New Work Item Proposal has been sent to ISO TC 211 to starting
work as soon as possible so that we have a schema when ISO
19115-1 final
 
13
 
NAP ISO 19115 and 19110
NAP ISO 19115 and 19110
 
NAP ISO 19115 Metadata
Remains stable as is;
Once ISO 19115-1 revision has reached DIS,
work will start to create NAP ISO 19115-1
NAP ISO 19110 Feature Catalog
Work is on hold until work on NAP 19115-1 is
started
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Explore the differences and commonalities between the Federal Geographic Data Committee (FGDC), International Organization for Standardization (ISO), and North American Profile (NAP) metadata standards. Discover the evolution, mandatory elements, code lists, and focus areas in these standards to better understand metadata implementation.


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  1. ISO Standards: Status, Tools, Implementations, and Training Standards/David Danko

  2. What Im covering NAP ISO 19115 Overview of NAP What s different and what s common between FGDC and NAP (and ISO 19115) ISO Metadata Standards Fundamental metadata, data quality, feature catalog, imagery and gridded data What s new in ISO 19115-1 Schedule

  3. North American Profile (NAP) of ISO 19115:2003 Metadata Selection of items from ISO19115:2003 Promotion of optional fields to mandatory Extension of code lists Addition of values to existing code lists Addition of code lists Introduction of a multilingual register Compliant to ISO19135:2005 on registers English and/et Fran ais Metadata items Code lists Register is accessible on the Web XML document Web Services Web Browser http://www.geoconnections.org/developersCorner/na pmetadata/register/index.html

  4. NAP ISO 19115:2003 Title: NAP Metadata 1. Preface (Introduction) 1.1. About Metadata 1.2. Using Metadata 2. Scope 3. Normative References 4. Terms and Definitions 5. Symbols and Abbreviated Terms 6. Metadata Content 6.1. Best Practices 7. Cultural and Linguistic Adaptability 8. Code Lists 9. NAP Metadata Registry Annexes Data Types Metadata schemas/UML - normative with differences from ISO identified Conformance Clauses Metadata implementation FGDC to NAP Metadata

  5. FGDC - NAP Equivalences FGDC NAP Metadata info Identification Info Constraint info Service info Data Quality info Maintenance info Spatial Representation info Reference system info Content info Portrayal Catalogue info Distribution info Application Schema info Metadata reference info Identification info Data quality Spatial data Organization Spatial Reference info Entity attribute info Distribution info

  6. Differences between FGDC ISO NAP NAP FGDC Primarily mandatory elements Mandatory if Applicable No language identification requirements Outdated elements US oriented reference systems Heavy use of free text ISO Minimum mandatory Unambiguous conditional statements Core metadata International focus Code lists Moderate increase in mandatory elements Best practices Includes service metadata (ISO 19119) Increased use of code lists

  7. Metadata Reference info Date Contact Metadata Standard name Metadata Standard version * Identification Information Citation Description Abstract Purpose * Status Maintenance frequency * Progress Time Period of Content * Date Currentness reference * Spatial Domain Bounding Box Keywords * Theme Keywords Access Constraints * Use Constraints * Metadata info dateStamp Contact Metadata Standard name File Identifier * Language (metadata) * Character set * Parent Identifier (C) * HierarchyLevel (default = dataset) * Locale (C) * (if multiple languages used) Identification information Citation Abstract Status (with codelist) Language * Topic Category * Extent (C) * Bounding box Or Geographic Description * NAP FGDC Comparison of mandatory elements * Difference FGDC vs NAP

  8. Comparison of mandatory elements (cont) FGDC NAP Citation Title Publication date Originator Edition (MifA) Presentation form (MifA) Series (MifA) Publication info (MifA) Place Publisher Other details (MifA) Larger work citation (MifA) Citation Title Date Date type Responsible Party Individual, organization, and/or position name Contact information role

  9. FGDC EntityAttribute and NAP Content Info Feature Catalog FGDC NAP Entity_and_Attribute_Infor mation = [1{Detailed_Description}n | 1{Overview_Description}n | 1{Detailed_Description}n + 1{Overview_Description}n] Detailed_Description = Entity_Type + 0{Attribute}n Entity_Type = Entity_Type_Label + Entity_Type_Definition + Entity_Type_Definition_Source Attribute = Attribute_Label + Attribute_Definition + Attribute_Definition_Source + 1{Attribute_Domain_Values}n + Content Information Feature Catalogue Description Compliance code Language IncludeWithDataset (M) FeatureTypes (M) Feature Catalogue Citation (M) ISO 19110 Compliant Feature/Attribute Catalog Coverage Description Attribute description Content type code . . .

  10. ISO Metadata standards ISO 19115:2003 Metadata - revision (ISO 19115-1) (in work) ISO standards are reviewed every 5 years vote to revise Changes not major Target 2013 ISO 19115-2:2009 Extensions for imagery and gridded data (complete) ISO 19139-2 Metadata - XML schema for imagery and gridded data (in work) DTS released 2011-07-18 vote due 2011-10-18 ISO 19139:2007 Metadata XML Schema (complete) Revision pending following 19115-1 completion ISO 19110:2005 Feature Catalogue Amendment 1 Just published by ISO - XML Schema FC encoding ISO 19110 Revision (in work) First PT meeting ISO 19157 Data quality (incorporating 19113/19114/19138) (in work) UML model for Quality DIS approved

  11. Whats new in ISO 19115-1 Concept of recommended core was removed Incorporating services metadata from ISO 19119 Data Quality moving to ISO 19157 Feature catalog information (entity/attribute metadata) enabled (physically or by link) Responsible party restructured to enable reuse for different roles Many new elements added/improved - examples: metadata identifier improved, MD_Scope and MD_KeywordClass classes added, online linkage in Citation, Reference system type code attribute added, . . ., 74)

  12. ISO 19115-1 FC/EA information OnlineResource reference to the cited resource now included in Citation The feature catalogue 12

  13. Schedule ISO 19115-1 EC revised document sent out for review Vote in Pretoria Draft International Standard Final Draft International Standard International Standard ISO 19157 Data Quality DIS FDIS IS ISO/TS 19XXX XML schema implementation of ISO 19115-1 A New Work Item Proposal has been sent to ISO TC 211 to starting work as soon as possible so that we have a schema when ISO 19115-1 final 2011-8-31 2011-11-18 2011-12 2012-12 2013-05 2011-06 2012-06 2013-01 13

  14. NAP ISO 19115 and 19110 NAP ISO 19115 Metadata Remains stable as is; Once ISO 19115-1 revision has reached DIS, work will start to create NAP ISO 19115-1 NAP ISO 19110 Feature Catalog Work is on hold until work on NAP 19115-1 is started

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