In some embodiments, the records of historical requests may further include a second type of records associated with the user terminal. For each service, the second type of records may include at least one of a number of a plurality of second historical requests, a plurality of second historical requesting time wherein each second historical requesting time of the plurality of second historical requesting time is associated with a second historical request of the plurality of second historical requests, a probability of using coupons for the user, or information relating to the user's visit to a page displaying the service.
In some embodiments, for each service, the information relating to the user's visit to the page displaying the service may include at least one of a number of visit to the page and a total duration on the page.
The present disclosure is further described in terms of exemplary embodiments. These exemplary embodiments are described in detail with reference to the drawings. These embodiments are non-limiting exemplary embodiments, in which like reference numerals represent similar structures throughout the several views of the drawings, and wherein: