Scenario representation manipulation methods, scenario analysis devices, articles of manufacture, and data signals are described according to some aspects. In one aspect, a scenario representation manipulation method includes accessing a graphical representation comprising a plurality of nodes and a plurality of associations of the nodes, wherein the nodes and the associations of the nodes are indicative of a scenario, providing a plurality of defined structural arrangements, wherein the defined structural arrangements comprise a plurality of nodes and associations of the nodes, analyzing the nodes and associations of the nodes of the graphical representation using the defined structural arrangements, and generating another representation of the graphical representation responsive to the analyzing.
GOVERNMENT RIGHTS STATEMENT
 This invention was made with Government support under Contract DE-AC0676RLO1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.