12. The non-transitory processor readable storage medium of claim 11 , further comprising: determining, using the one or more computing devices, a value coefficient for at least one of the one or more webpages.
12. The non-transitory processor readable storage medium of claim 11 , further comprising: determining, using the one or more computing devices, a value coefficient for at least one of the one or more webpages. 16. The non-transitory processor readable storage medium of claim 12 , wherein the value coefficient is based upon, at least in part, a probability that a webpage appears in a search result.