Panel on Revision of Part 3 of ISO 11179 By Daniel W. Gillman Chairman, NCITS/L8 U.S. Bureau of the Census

Conceptual & Value Domain Administration Region domain value administered component classified component character set Value domain datatype value meaning permissible value domain enumerated non- association unit of quantity permissible value meaning cardinalities: enumerated domain (1,N) : (2,N) value meaning enumerated domain (1,N) : (2,N) permissible value permissible value (1,N):(1,N) value meaning

Example #1 Data Elements - Place of Work of Person, State, State Name Place of Work of Person, State, Postal State Code Place of Work of Person, State, Census State Code

Enumerated Value Domains Data Element Concept Place of Work of Person, State Enumerated Value Domains State Names Postal State Codes Census State Codes

Permissible Values State Names Postal Codes Census Codes Maryland Virginia Postal Codes MD VA Census Codes 22 48

Value Meanings Conceptual Domain State of Maryland Maryland MD 22 Commonwealth of Virginia Virginia VA 48 Conceptual Domain State Codes and Names

Conceptual & Value Domain Administration Region domain value administered component classified component character set Value domain datatype value meaning permissible value domain enumerated non- association unit of quantity permissible value meaning cardinalities: enumerated domain (1,N) : (2,N) value meaning enumerated domain (1,N) : (2,N) permissible value permissible value (1,N):(1,N) value meaning

Example #2 Data Elements - Observed Mass of Proton, 10^(-25) grams, 5 significant digits Observed Mass of Proton, 10^(-25) grams, 8 significant digits

Non-Enumerated Value Domains Data Element Concept Observed Mass of Proton Non-Enumerated Value Domains Real Numbers between 0 and 10, 4 digits to right of decimal Real Numbers between 0 and 10, 7 digits to right of decimal

Non-Enumerated Value Domains Conceptual Domain Real Numbers between 0 and 10 Non-Enumerated Value Domains Real Numbers between 0 and 10, 4 digits to right of decimal Real Numbers between 0 and 10, 7 digits to right of decimal