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

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發送短信 : Efficient evaluation of frequently issued similar XPath queries