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This article describes a knowledge base object editing interface that obviates the need to develop a new editor in an expert system tool.
English (United States)
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Three Form Editing
This article describes a knowledge base object editing interface that obviates
the need to develop a new editor in an expert system tool.
Knowledge Bases are comprised of isolated knowledge objects (e.g., rules,
sources). Each object is a collection of attributes. For example, a rule might
have attributes: trace, author, rule_text, cost, priority, etc. An 'object editor' is
needed to edit such objects. It simply presents all the attributes of an object in a
window and allows their individual attributes to be edited. Each of the attributes
are by their nature of one of three edit types: multiple choice, one line fill-in, or
multiple line fill-in.
An attribute such as 'trace', which has a defined set of possible values (on,
off), is edited by presenting a multiple choice menu. The user picks one and that
value becomes the current value of that attribute and appears in the edit window.
An attribute such as 'author', which can always be specified in one line, is
edited by having a one line prompt appear on the screen. The user keys in the
value (overkeying the previous value) and hits 'enter' and the value is replaced in
the edit window.
An attribute such as 'rule_text', which can usually extend to multiple lines, is
edited by copying the entire multiple line value into a file and invoking the
underlying system editor to show it in a new separate window, where it is edited
with the commands of that editor.