Text this: Semi-supervised distance metric learning based on local linear regression for data clustering

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