Knowledge systems and prolog : developing expert, database and natural language systems  
/ Adrian Walker ... [et al.]. 
 - 2nd ed.. 
 - Reading  Addison-Wesley  1990. 
 - xiv, 538p.  24cm 
<br/><br/>Includes bibliographical references (p. 513-522) 
<br/><br/><label>ISBN: </label>0201524244  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Expert systems (Computer science)<br/>Natural language processing (Computer science)<br/>Prolog (Computer program language)
<br/><br/><label>Dewey Class. No.: </label>006.33 KNO 1990