@book{baader2003dlhandbook, title = {The Description Logic Handbook: Theory, Implementation and Applications}, address = {Cambridge}, editor = {Franz Baader and Diego Calvanese and Deborah McGuinness and Daniele Nardi and Peter Patel-Schneider}, publisher = {Cambridge University Press}, url = {http://www.amazon.de/gp/product/0521781760?ie=UTF8&tag=moresemantic-21&linkCode=as2&camp=1638&creative=6742&creativeASIN=0521781760}, year = {2003}, biburl = {http://www.bibsonomy.org/bibtex/23566065693f7ae313f82f9b2a0c96936/schmitz}, keywords = {descriptionlogics dl } }