Step 5
                          This 
            Step enables the Navigation dependencies . 
            
            
             Navigation Dependencies
            
			You must identify the 
             relationship between columns and subsequent WebPages to the 
            spider. Since this information was not recorded 
            when you got to the destination page. 
            
			For example, let's say you have a sequence 
            of 4 surfed pages - login, start search page, list of items, and 
            full description of item. The first 2 pages don't have any 
            rows/columns and we're not interested in them. But each "full 
            description of item" result depends on one web address (URL) in the 
            "list of items". So you need to create some column that contains the 
            URL and make sure that the "full description 
            of item" depends on that column 
            
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