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

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Text this: A combined template-based and case-based metadata extraction for heterogeneous thai documents