Decision Table models
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In InterModeller, a table represents a classification structure as a list of decision-making cases, each case occupying one row of the table. The information for each case is supplied as values for a set of variables known as factors or attributes that are named in the table's header row. Asterisks represent wildcard or 'don't care' values. The rightmost column gives the classification or decision for each case. Tables of this kind are sometimes called 'decision tables' or 'factor tables'.
At runtime, InterModeller asks questions in an attempt to classify the user's case. Questions are asked in a sequence determined by the table. Generally, cases are tested in top-to-bottom row order and attributes are elicited (questioned for) in left-to-right column order. However, this rule may be modified by the presence of wildcards. If a case is being tested which shows an asterisk for an attribute the value of which has not yet been established then the query for the attribute's value will be skipped during that case. Each question prompts for the value of one attribute, offering as options a menu showing all the possible values which that attribute can take.
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Table FAQs (Frequently Asked Questions)