14. The storage medium of claim 13 , wherein a user profile associated with the user contains a value (vpl) associated with the second term, and said determining step comprising determining a second value (v2) for said second term of the document and determining the second value (v2) for the second term of the document comprises calculating the second value (v2) using the values: vp, a, and vd2.
14. The storage medium of claim 13 , wherein a user profile associated with the user contains a value (vpl) associated with the second term, and said determining step comprising determining a second value (v2) for said second term of the document and determining the second value (v2) for the second term of the document comprises calculating the second value (v2) using the values: vp, a, and vd2. 15. The storage medium of claim 14 , wherein the step of determining the value for the second term comprises computing: vp+(vd2)(a).