By taking such event data into consideration, the matching service reduces {HEAD ~ the burden} on {TAIL ~ users} to explicitly supply personal profile information, and reduces poor results caused by exaggerations and other inaccuracies in such profile information 
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By taking such event data into consideration , the matching service reduces { HEAD ~ the burden } on { TAIL ~ users } to explicitly supply personal profile information , and reduces poor results caused by exaggerations and other inaccuracies in such profile information
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