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

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Text this: Minimization of tree pattern queries with constraints