Article: Right But Not Relevant
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Right But Not Relevant
Search engines look for matches between keywords the user enters and words in the retrieved documents.
If you got any result for your query it means that the result is the right one and that there is such a match.
In everyday life when you communicate with human beings and ask a question - the moment you get the right answer you are satisfied and your quest is finished. With search machines getting the right answers might be only the beginning of the quest.
There are close to 135 million right matches for the words John Smith in Google. Putting these words in quotes reduces this number to 3,590,000. We assume that one or more of these are relevant but how should we find out?
People say that clustering helps in solving this problem...
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