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

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