TY - CONF AU - Weidmann, Nils AU - Anjorin, Anthony AU - Stolte, Florian AU - Kraus, Florian ED - Guerra, Esther ED - Orejas, Fernando ID - 13140 T2 - Proceedings of the 12th International Conference on Graph Transformation, ICGT 2019, Held as Part of STAF 2019 TI - From Pattern Invocation Networks to Rule Preconditions ER -