Henning Christiansen <br/><br/>
Flexible Query Answering Systems 

 - 1st ed. 2017 
 -  Springer  2017 
 - Lecture Notes in Computer Science .
<br/><br/><label>ISBN: </label>9783319596921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial Intelligence<br/>Computer Science