發送短信

數:

提供者:

CAPTCHA:

 _____      _____                ___     _    _   
|  __ \\   |  ___||     ___     / _ \\  | \  / || 
| |  \ ||  | ||__      /   ||  | / \ || |  \/  || 
| |__/ ||  | ||__     | [] ||  | \_/ || | .  . || 
|_____//   |_____||    \__ ||   \___//  |_|\/|_|| 
 -----`    `-----`      -|_||   `---`   `-`  `-`  
                         `-`

Please enter what you see:

發送短信 : CASTLE: A delay-constrained scheme for ks-anonymizing data streams