10. The product of claim 9 , further comprising: program code for using a first classification for each of the ranking factors based on whether the ranking factors are default factors.
10. The product of claim 9 , further comprising: program code for using a first classification for each of the ranking factors based on whether the ranking factors are default factors. 11. The product of claim 10 , further comprising: program code for using a second classification for each of the ranking factors based on whether the ranking factors depend upon the user query.