The 8 EDCS Dictionaries
Classification Dictionary
- What is it, or how is it characterized?
(BUILDING, RIVER, HARBOUR, …)
Attribute Dictionary
- What are its additional clarifying characteristics?
(BUILDING_FUNCTION, DEPTH, FREQUENCY, …)
- What constraints are enforced on values?
(ENUMERATION, LOGICAL, STRING, INTEGER, REAL, …)
Attribute Enumerant Dictionary
- A set of nominal, ordinal or partitioned values
({ SHORT | MEDIUM | TALL }, { RED | GREEN | BLUE | .. }, ...)
- Used to specify the values of enumerated attributes