Henrik Legind Larsen, Gabriella Pasi, Daniel Ortiz-Arroyo, Troels Andreasen, Henning Christiansen <br/><br/>
Flexible Query Answering Systems 

 - Germany  Springer  2006 
<br/><br/><label>ISBN: </label>978-3-540-34639-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science<br/>Flexible Query Answering Systems