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Creating Rules graphically

 

There is a Project (existsProject) that has some assigned resource (hasAssignedResource) and is carried out by a team (isCarriedOutByTeam). The team is coordinated by a manager (isCoordinatedByManager). The attribute existsProject has a boolean value (Value) ascribed. In such a case the rule concludes that the project exists (the attribute existsProject equals true).

1.Create a class in the Graphical Rule Editor.

There are four possible ways:

Drag & drop
From palette
Using the context menü
Hover effect (toolbar)

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2.Add a Relation.

There are three possible ways of adding a relation.

Using a right click mouse
By clicking on a name
By choosing the relation name from the auto complete list

Proceed as follows:

a.Add relation node to class (from palette).
b.Choose a relation name.
c.Connect relation to another class.

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d.Create Connections Between Classes.

There are two ways of creating a connection between them.

Using the Palette menu. Click on ClassConection in the Palette menu, then drag and drop from the Class Relation to another Class to set connections between them.
Using the Tooltip menu. Move the cursor across the Relation to activate the tooltip menu. A left or right arrow will be displayed. Drag one of the arrows to the class (by keeping the mouse button pressed) and drop it there.

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All relations that contain a class can be listed with CTRL+SPACE.

 

3.Adding a property (here: attribute). Same here as for relations.

Choose a property (here: attribute from the attributes list) (CTRL + SPACE).

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4.Add value to the selected attribute.
a.Click on the value field of the attribute and enter a value (depends on the data type of the attribute).
b.Additionally, you can also choose a comparison operator (for example, age < 30).

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5.Tagging an element as a conclusion of the rule.

If this configuration will occur, a "true" value will be assigned. Make a right mouse click on the existsProject attribute and select Move to.

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The Final Rule

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Aggregations Sample

For more information, see the OntoBroker Enterprise Manual (chapter "Aggregations").

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Built-ins Example

For more information see the OntoBroker Enterprise Manual (chapter Appendix -> Built-ins).

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