4. The method of claim 1 , further comprising: determining an amount of time that one or more users spent accessing the document when the document is selected from the set of search results.
4. The method of claim 1 , further comprising: determining an amount of time that one or more users spent accessing the document when the document is selected from the set of search results. 6. The method of claim 4 , where determining the amount of time that one or more users spent accessing the document includes: determining a first amount of time that the one or more users spent accessing the document in a first time period, determining a second amount of time that the one or more users spent accessing the document in a second time period, and comparing the first amount of time and the second amount of time to determine whether there is an increase or a decrease in the amount of time that the one or more users spent accessing the document.