5. The method of claim 1 , further comprising: receiving a new post to the discussion thread; extracting a new keyword from the new post; and assigning a new keyword score to the new keyword.
5. The method of claim 1 , further comprising: receiving a new post to the discussion thread; extracting a new keyword from the new post; and assigning a new keyword score to the new keyword. 6. The method of claim 5 , wherein the new keyword score assigned to the new keyword is a normalized score based on a number of the plurality of keywords with the new keyword and the total score of the discussion thread.