أرسل هذا في رسالة قصيرة: Preference learning and similarity learning perspectives on personalized recommendation

           __   __    _____    _    _    _____    
  ____     \ \\/ //  / ____|| | || | || |  __ \\  
 |    \\    \ ` //  / //---`' | || | || | |  \ || 
 | [] ||     | ||   \ \\___   | \\_/ || | |__/ || 
 |  __//     |_||    \_____||  \____//  |_____//  
 |_|`-`      `-`'     `----`    `---`    -----`   
 `-`