Example 1: India-Australia cricket news

define sources {My Sources}

define concepts
   <india>     = india
   <australia> = australia, aussies
   <cricket>   = cricket, test match, one day international, one-dayer

define issue Indo Aus Series = filter {My Sources} into taxonomy 
   [Cricket] = india AND australia AND cricket

Explanation: The profile defines the rediff and Hindu news sources and requests news from there. It defines three concepts (india, australia, and cricket). Each concept defines the keywords that need to matched. Finally, the issue of interest (Indo Aus Series) is defined which defines exactly one category. A news item is added to this category if it matches all three concepts (india, australia, and cricket).