發送短信 : User modeling for personalized web search with self-organizing map

 ______      ___     __   _      ___     _    _   
|      \\   / _ \\  | || | ||   / _ \\  | |  | || 
|  --  //  | / \ || | '--' ||  | / \ || | |/\| || 
|  --  \\  | \_/ || | .--. ||  | \_/ || |  /\  || 
|______//   \___//  |_|| |_||   \___//  |_// \_|| 
`------`    `---`   `-`  `-`    `---`   `-`   `-`