Faced the vast amount of information, choosing the appropriate materials is a prerequisite for effective self-directed learning. The recommendation algorithm is a kind of intelligent technology that can accurately locate the required information which the users care about most. However, many recommendation techniques experience can not be trained…

This article alerts academic libraries to some of the methods for purchasing electronic books (e-books) and notes that, while they are similar to the models used for journal-evaluation purposes, there are a number of factors important to consider that are different for e-books. Simon notes that, while theoretically there should be some advantages…