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

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Text this: Easy knowledge engineering and usability evaluation of longan knowledge-based system