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The Address Data Content Standard: A Presentation to the FGDC
Coordination Group, April 1, 2003
By: Anne O’Connor,
Matthew McCready
And April Avnayim
PURPOSE
The purpose of the Standard is to facilitate the exchange of address information.
OBJECTIVE
Original Proposal: To provide consistency in the maintenance and exchange of address data and enhance its useability.
Currently: The objective of the Standard is to provide a method for documenting the content of address information for the purpose of exchanging data.
SCOPE
The Standard establishes the requirements for documenting the content of addresses. It is applicable to addresses of objects having a spatial component. The Standard specifically excludes electronic addresses.
NARROWING OF SCOPE
The scope of the Standard has been narrowed from the original proposal which included components for the “creation, maintenance, sharing, useability, and exchange of addresses”. The current draft applies only to data which is exchanged between governmental entities which is in line with the original justification for the standard as discussed in the standard proposal.
What the ADCS Does Not Do
• The ADCS does not regulate the content of a database.
• It does not regulate the format of a database.• It does not depict what data elements should be in an
address database, or it’s structure.
What the ADCS Does Not Do
• The ADCS does not regulate the content of a database.
• It does not regulate the format of a database.• It does not depict what data elements should be in an
address database, or it’s structure.
The ADCS simply standardizes the information describing the data being exchanged.
Changes to Draft Since 2001 Public Review
Adjudicated comments from the 2001 public review
Conformed the Standard to Directive #6: Formatting FGDC Standards Documents
Reworked, reorganized, condensed, simplified, clarified
Adjudicated comments from the FGDC Standards Working Group
A Review: What is an Address?
The means of referencing an object for the purposes of unique identification and location.
How the Standard Treats Addresses
The Standard defines an address specification.
The Standard identifies and organizes addresses by type.
A UML model has been developed to facilitate the documentation process
ADDRESS SPECIFICATON
Documents the data content
of an address group.
Specification includes:1. Address purpose
2. The address type
3. Descriptive elements
4. Descriptive element matching
Specification Component 1: Address Purpose
Identifies the data producer’s rational for creating an address group, such as a customer base or newsletter mailing list. A minimum of one address purpose shall be recorded for each address group, but more than one address purpose may be recorded.
Specification Component 2:Address Type
Address Type: The means of referencing an address
Three types:• Geographic
• Postal
• Physical
Address Type: Geographic
Also know as positional address type
Set of precise and complete geographic descriptors that use a reference system to provide the unique location of an object
Ex 1: Latitude and Longitude Coordinates
Ex 2: USNG Coordinates
Address Type: Postal
Also known as the mailing address type
Set of precise and complete information on the basis of which an item can be delivered to an addressee
Ex: street addresses
Postal Address Type:Mailing Structures
USPS arrangement that contains all the elements necessary for mailing a letter
Four address structures • Puerto Rico
• Business
• Residential
• Military
Address Type: Physical
Also known as the situs and delivery address types
Set of precise and complete information that indicates by relationship or by description the permanent and unique location of an object.
Ex: Overnight delivery location
Specification Component 3:Descriptive Elements
There are four parts to the descriptive element information:
1. Name: The generally acknowledged name.2. Alias: A name differing from Name.3. Definition: A statement expressing the
essential nature of the address information.4. Reference: The document containing the
definition of the descriptive element used by the data producer.
Specification Component 4: Matching Descriptive Elements
Matches all the descriptive elements to each ADCS recognized data elements necessary for creating a complete address
Used for all address types
UML Model
Conclusion
It is the opinion of this standard development team that the Address Data Content Standard is ready for the next stage of development: Public Review.
Contacts
Comments are welcomed.
The Standard will be available for review, with a comments form, at this website:
http://www.census.gov/geo/www/standards/scdd/
Please direct other comments or questions to:
Anne O’Connor
(301) 763-1056
