Kazunori Ueda, Takayuki Ayano, Taisuke Hori, Hiroki Iwasawa, Seiji Ogawa. Hierarchical Graph Rewriting as a Unifying Tool for Analyzing and Understanding Nondeterministic Systems. In Martin Leucker, Carroll Morgan, editors, Theoretical Aspects of Computing - ICTAC 2009, 6th International Colloquium, Kuala Lumpur, Malaysia, August 16-20, 2009. Proceedings. Volume 5684 of Lecture Notes in Computer Science, pages 349-355, Springer, 2009. [doi]