@Inproceedings{eklund00contextual, author = {Eklund, P. and Groh, B. and Stumme, G. and Wille, R.}, title = {Contextual-Logic Extension of TOSCANA.}, year = {2000}, number = {}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2000/ICCS_toscanaextension.pdf}, const = {\ text} }