Iso iec 11179 part 2 classification schemes
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ISO/IEC 11179, Part 2: Classification Schemes. Jim Carpenter Bureau of Labor Statistics. Metatopia 2001 Conference September 20 – 21, 2001. Agenda. What is a classification scheme? What is a “well-formed” classification scheme? How to register a classification scheme?.

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ISO/IEC 11179, Part 2: Classification Schemes

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Iso iec 11179 part 2 classification schemes

ISO/IEC 11179, Part 2: Classification Schemes

Jim Carpenter

Bureau of Labor Statistics

Metatopia 2001 Conference

September 20 – 21, 2001


Agenda

Agenda

  • What is a classification scheme?

  • What is a “well-formed” classification scheme?

  • How to register a classification scheme?

Within the context of a ISO 11179 Metadata Registry,answer three questions:


Iso iec 11179 part 2 classification schemes

Classification

Groups

Items to classify


What is a classification scheme

What is a classification scheme?

Simplification of the model:

Anything with parts that can be related to registered items

Thing

RegisteredItem

Part


Trivial example

Trivial Example

  • Classification scheme: bag of potato chips

  • Part: a potato chip

  • Registered items: data elements in EPA’s registry

Clearly, this is slicing a bit thin.

More characteristics are needed fora “well-formed classification scheme”


Must be an information system artifact

Must be an Information System Artifact

  • Describes subject domain or other IS artifacts

    • Data model, org chart, activity diagram, computer program, database, key word list, thesaurus, ontology, …

  • Has statements that use designations to represent concepts (ISO 704 and 1087)


Additional characteristics

Additional Characteristics

  • Consistent with the intensions of the registry

  • Globally unique identifier

  • Unique name within each language

  • Clear application scope (Name Context)

  • Parts cover the scope of application


Characteristics of parts

Characteristics of Parts

  • Uniquely identified parts (globally)

  • Descriptive names

  • Clear boundaries

  • Appropriate granularity


Characteristics of relationships among parts

Characteristics of Relationships Among Parts

  • Clear and unambiguous

  • Are subtypes of

    • Hierarchy

      • Generic, or

      • Partitive

    • Association


How to register a classification scheme

How to Register a Classification Scheme

Record a set of attributes

  • Administrative attributes

  • Classification scheme attributes

  • Attributes of each part

  • Attributes of each relationship between parts.


Administrative attributes

Administrative Attributes

  • Globally unique identifier

  • Many other attributes described in part 3


Classification scheme attributes

Classification Scheme Attributes

  • Name

  • Language of the Name

  • Description of subject field (context)

  • Language of description of subject field

  • Type of structure


Attributes of the part

Attributes of the Part

  • Type of part

  • Value

Attributes of the Part Relationship

  • Type of relationship


Summary

Summary

  • What is a classification scheme?

    • A thing with parts that can be related to items

  • What is a “well-formed” classification scheme?

    • A classification scheme with characteristics that are useful for good classification

  • How to register a classification scheme

    • Record attributes that are useful for sharing


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