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5 : Entity and Attribute Information

Entity and Attribute Information -- details about the information content of the data set, including the entity types, their attributes, and the domains from which attribute values may be assigned.
Type: compound
Short Name: eainfo

Entity_and_Attribute_Information =
[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_Values +
0{Ending_Date_of_Attribute_Values}1}n +
(Attribute_Value_Accuracy_Information) +
(Attribute_Measurement_Frequency)

Attribute_Domain_Values =
[Enumerated_Domain |
Range_Domain |
Codeset_Domain |
Unrepresentable_Domain]

Enumerated_Domain =
1{Enumerated_Domain_Value +
Enumerated_Domain_Value_Definition +
Enumerated_Domain_Value_Definition_Source +
0{Attribute}n }n

Range_Domain =
Range_Domain_Minimum +
Range_Domain_Maximum +
0{Attribute_Units_of_Measure}1 +
(Attribute_Measurement_Resolution) +
0{Attribute}n

Codeset_Domain=
Codeset_Name +
Codeset_Source

Attribute_Value_Accuracy_Information =
Attribute_Value_Accuracy +
Attribute_Value_Accuracy_Explanation

Overview_Description =
Entity_and_Attribute_Overview +
1{Entity_and_Attribute_Detail_Citation}n

5.1 Detailed Description -- description of the entities, attributes, attribute values, and related characteristics encoded in the data set.
Type: compound
Short Name: detailed

5.1.1 Entity Type -- the definition and description of a set into which similar entity instances are classified.
Type: compound
Short Name: enttype

5.1.1.1 Entity Type Label -- the name of the entity type.
Type: text
Domain: free text
Short Name: enttypl

5.1.1.2 Entity Type Definition -- the description of the entity type.
Type: text
Domain: free text
Short Name: enttypd

5.1.1.3 Entity Type Definition Source -- the authority of the definition.
Type: text
Domain: free text
Short Name: enttypds

5.1.2 Attribute -- a defined characteristic of an entity.
Type: compound
Short Name: attr

5.1.2.1 Attribute Label -- the name of the attribute.
Type: text
Domain: free text
Short Name: attrlabl

5.1.2.2 Attribute Definition -- the description of the attribute.
Type: text
Domain: free text
Short Name: attrdef

5.1.2.3 Attribute Definition Source -- the authority of the definition.
Type: text
Domain: free text
Short Name: attrdefs

5.1.2.4 Attribute Domain Values -- the valid values that can be assigned for an attribute.
Type: compound
Short Name: attrdomv

5.1.2.4.1 Enumerated Domain -- the members of an established set of valid values.
Type: compound
Short Name: edom

5.1.2.4.1.1 Enumerated Domain Value -- the name or label of a member of the set.
Type: text
Domain: free text
Short Name: edomv

5.1.2.4.1.2 Enumerated Domain Value Definition -- the description of the value.
Type: text
Domain: free text
Short Name: edomvd

5.1.2.4.1.3 Enumerated Domain Value Definition Source -- the authority of the definition.
Type: text
Domain: free text
Short Name: edomvds

5.1.2.4.2 Range Domain -- the minimum and maximum values of a continuum of valid values.
Type: compound
Short Name: rdom

5.1.2.4.2.1 Range Domain Minimum -- the least value that the attribute can be assigned.
Type: text
Domain: free text
Short Name: rdommin

5.1.2.4.2.2 Range Domain Maximum -- the greatest value that the attribute can be assigned.
Type: text
Domain: free text
Short Name: rdommax

5.1.2.4.2.3 Attribute Units of Measure -- the standard of measurement for an attribute value.
Type: text
Domain: free text
Short Name: attrunit

5.1.2.4.2.4 Attribute Measurement Resolution -- the smallest unit increment to which an attribute value is measured.
Type: real
Domain: Attribute Measurement Resolution > 0.0
Short Name: attrmres

5.1.2.4.3 Codeset Domain -- reference to a standard or list which contains the members of an established set of valid values.
Type: compound
Short Name: codesetd

5.1.2.4.3.1 Codeset Name -- the title of the codeset.
Type: text
Domain: free text
Short Name: codesetn

5.1.2.4.3.2 Codeset Source -- the authority for the codeset.
Type: text
Domain: free text
Short Name: codesets

5.1.2.4.4 Unrepresentable Domain -- description of the values and reasons why they cannot be represented.
Type: text
Domain: free text
Short Name: udom

5.1.2.5 Beginning Date of Attribute Values -- earliest or only date for which the attribute values are current. In cases when a range of dates are provided, this is the earliest date for which the information is valid.
Type: date
Domain: free date
Short Name: begdatea

5.1.2.6 Ending Date of Attribute Values -- latest date for which the information is current. Used in cases when a range of dates are provided.
Type: date
Domain: free date
Short Name: enddatea

5.1.2.7 Attribute Value Accuracy Information -- an assessment of the accuracy of the assignment of attribute values.
Type: compound
Short Name: attrvai

5.1.2.7.1 Attribute Value Accuracy -- an estimate of the accuracy of the assignment of attribute values.
Type: real
Domain: free real
Short Name: attrva

5.1.2.7.2 Attribute Value Accuracy Explanation -- the definition of the Attribute Value Accuracy measure and units, and a description of how the estimate was derived.
Type: text
Domain: free text
Short Name: attrvae

5.1.2.8 Attribute Measurement Frequency -- the frequency with which attribute values are added.
Type: real
Domain: "Unknown" "As needed" "Irregular" "None planned" free text
Short Name: attrmfrq

5.2 Overview Description -- summary of, and citation to detailed description of, the information content of the data set.
Type: compound
Short Name: overview

5.2.1 Entity and Attribute Overview -- detailed summary of the information contained in a data set.
Type: text
Domain: free text
Short Name: eaover

5.2.2 Entity and Attribute Detail Citation -- reference to the complete description of the entity types, attributes, and attribute values for the data set.
Type: text
Domain: free text
Short Name: eadetcit

Last Updated: Feb 09, 2006 12:15 PM
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