Fuzzy preference queries to relational databases / 
Olivier Pivert and Patrick Bosc 
 - London :  Imperial College Press,  2012 
 - xvi, 330 p. :  ill ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781848168695 1848168691 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Expert systems (Computer science)<br/>Uncertainty (Information theory)