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             ___     _    _     ______  __    __  
    ___     / _ \\  | \  / ||  /_   _// \ \\ / // 
   /   ||  / //\ \\ |  \/  ||   -| ||-   \ \/ //  
  | [] || |  ___  ||| .  . ||   _| ||_    \  //   
   \__ || |_||  |_|||_|\/|_||  /_____//    \//    
    -|_|| `-`   `-` `-`  `-`   `-----`      `     
     `-`

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Text this: Computing Immutable Regions for Subspace Top-k Queries