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      Start making richer queries!
    
    
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User of dataset “F” can now query:
       
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          - “give me the home page of the original’s author”
 
        
       
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The information is not in datasets “F” or “A”…
       
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…but was made available by:
       
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          - merging datasets “A” and datasets “F”
 
          - adding three simple extra statements as an extra “glue”