a user’s knowledge demand is denoted by fw1; w2; . . . ; wNg, which describes the degrees that the user’s interests belong to the categories k1,k2, . . . and kN respectively. The knowledge resources can be described in the similar way.
a user’s knowledge demand is denoted by fw1; w2; . . . ; wNg, which describes the degrees that the user’s interests belong to the categories k1,k2, . . . and kN respectively. The knowledge resources can be described in the similar way.