@incollection{Lukasiewicz10, 
 Author = {Thomas Lukasiewicz and Umberto Straccia}, 
 Booktitle = {Progressive Concepts for Semantic Web Evolution: Applications and Developments}, 
 Chapter = {11},
 Editor = {Miltiadis Lytras \& Amith Sheth}, 
 Pages = {237--256}, 
 Publisher = {IGI Global}, 
 Title = {Tightly Integrated Fuzzy Description Logic Programs under the Answer 
Semantics for the Semantic Web}, 
 Year = {2010}}