A plurality of actions are applied to a directed graph, where the directed graph has a plurality of nodes. A node in the directed graph is traversed to, and an specific method for each of the plurality of actions is performed on the traversed-node. The traversing and performing are repeated until all...http://www.google.fr/patents/US6738777?utm_source=gb-gplus-shareBrevet US6738777 - Chaining actions for a directed graph
