Data Item Attribute

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A Data Item Attribute is an entity attribute of a data item.



References

  • TBD
    • QUOTE: A data attribute describes the value found in each field in a table. Every field or column in a database table represents a single attribute of that table. (An attribute is what the data in that field represents, while the value is the actual data that a specific field contains.
    • QUOTE: An attribute is a piece of information that needs to be known about the objects in a class. Each object might a have different value for an attribute. E.g. one dog is named Fido, the other is named Bowser.
    • QUOTE: An attribute is an abstraction belonging to or characteristic of an entity.
    • QUOTE: Attributes are part of a class declaration in UML. Objects are associated with attribute values describing properties of the object. An attribute has a name and a type specifying the domain of attribute values.
    • QUOTE: Characteristics or objects closely associated with or that belong to people or things.

1998

  • (Kohavi & Provost, 1998) ⇒ Ron Kohavi, and Foster Provost. (1998). "Glossary of Terms." In: Machine Leanring 30(2-3).
    • Attribute (field, variable, feature): A quantity describing an instance. An attribute has a domain defined by the attribute type, which denotes the values that can be taken by an attribute. The following domain types are common:
    • Dimension: An attribute or several attributes that together describe a property. For example, a geographical dimension might consist of three attributes: country, state, city. A time dimension might include 5 attributes: year, month, day, hour, minute.