11. The system of claim 8 the steps further comprising: generating a feature vector for electronic documents accessed by the user during the electronic document browsing; and storing the generated feature vector.
11. The system of claim 8 the steps further comprising: generating a feature vector for electronic documents accessed by the user during the electronic document browsing; and storing the generated feature vector. 12. The system of claim 11 : the steps further comprising identifying, from each of one or more electronic documents browsed by the user, one or more words descriptive of overall content included in the one or more electronic document based on relative frequency of occurrence of the one or more words in the one or more electronic documents by identifying, from at least one electronic document browsed by the user, a word appearing most frequently; and wherein generating the feature vector for electronic documents accessed by the user during the electronic document browsing comprises including the word in the feature vector as being representative of the at least one electronic document.