發送短信

數:

提供者:

CAPTCHA:

 _    _      ___      _____     ______    ____    
| || | ||   / _ \\   / ____||  /_   _//  |  _ \\  
| || | ||  | / \ || / //---`'   -| ||-   | |_| || 
| \\_/ ||  | \_/ || \ \\___     _| ||_   | .  //  
 \____//    \___//   \_____||  /_____//  |_|\_\\  
  `---`     `---`     `----`   `-----`   `-` --`

Please enter what you see:

發送短信 : On the Lower Bound of Reconstruction Error for Spectral Filtering Based Privacy Preserving Data Mining