| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a temporally-controlled item recommendation method and system based on rating prediction. <P>SOLUTION: The temporally-controlled item recommendation method includes: inputting an item to be recommended; determining a temporal rating model related to the item, the temporal rating model being used to predict variation of the rating of the item with time; applying one or more recommendation strategies to the determined temporal rating model to determine optimal recommendation times of the item; and recommending the item to a user at the determined optimal recommendation times. In different embodiments, the temporal rating model of the item can be selected from a set of prestored temporal rating models or automatically generated according to history data in the system. In addition, the selected temporal rating model can be adjusted in accordance with user preference information or user feedback information. <P>COPYRIGHT: (C)2010,JPO&INPIT |
