For each decision
Get Item at specified source region location
If there are items in the source region
Get item at tail destination region location
If there are items in the destination region
If the attribute values do not match
Eliminate the decision
End if
Else
Eliminate the decision because there are no
Items in the destination region
End if
Else
Eliminate the decision because there are no items
In the source location
End if
Next
Note: If no items of the specified
class are contained in the source region or in the destination
region, then the decision is eliminated.
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Block by Attribute. |
