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

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Text this: Prototype hierarchy based clustering for the categorization and navigation of web collections