## Tabpage: Rules and Authors

This tabpage contains the following controls:

- table of rules,
- table of authors and
- field for notes on the selected author.

#### Table of rules

- Columns representing the variables - identification strings of linguistic values of the respective variables can be entered.
- Author - identification string of an author of a rule.
- Ignore - should a rule be ignored during a query result evaluation?
- Check state - is rule checked for further processing?
- Activity - if a rule is active and we remove it, the query result changes for at least one of the three models. - DEBUG - is present in this column instead of YES during debugging.
- Redundancy - if a rule is redundant (it can be derived from other rules), YES is present in this column after performing redundancy evaluation.
- Contradictiveness - tells how much a rule contradicts the reference one (reference rule is denoted by - REF - in this column). Contradictiveness is a value between zero and one, where zero means no contradiction at all and one an absolute contradiction. Absolutely contradictive rule is denoted by Abs. cont. in this column.

Context menu with the following functions available is associated with the table of rules:

- Remove selected rules - this item is enabled only if one or more rules are selected by clicking onto the row header. Removes the selected rules.
- Remove checked rules - this item is enabled only if one or more rules are checked. Removes the checked rules.
- Evaluate query result for the selected rule - this item is enabled only if exactly one rule is selected and if query result evaluation is possible. Evaluates the query result for the selected rule regarding the actual query.
- Redundancy of the selected rule - this item is enabled only if exactly one rule is selected and if query result evaluation is possible. Evaluates redundancy of the selected rule.
- Contradictiveness w.r.t. the selected rule - this item is enabled only if exactly one rule is selected and if query result evaluation is possible. Determines contradictivity of other rules with respect to the selected one.

#### Table of authors

- Name - name of an author, limited by 255 characters.
- ID - identification string of an author, limited by 50 characters. Identification string may contain letters of the English alphabet, numerals and character "_" and must be unique within this table.
- Check state - is an entry checked for further processing?

Context menu with the following functions available is associated with the table of authors:

- Remove selected authors - this item is enabled only if one or more authors are selected by clicking onto the row header. Removes the selected authors.
- Remove checked authors - this item is enabled only if one or more authors are checked. Removes the checked authors.

#### Field for notes on the selected author

This field contains notes on the selected author (limited by 10,000 characters). A context menu with the standard functions (Undo, Copy, Cut, Paste and Select all) is available.