<title>Abstract</title> This paper reports on what appears to be the first attempt to map the perceived holistic dynamics at work in contemporary Brazilian railway development. The published perspectives of recognized experts in the Brazilian railway industry were mapped using the problem structuring...

Strategic options development and analysis (SODA) has maintained that it expects a links-to-concepts ratio of 1.15-1.20 in cognitive maps. This expectation is investigated from a graph-theoretic perspective in order to highlight two issues that the SODA literature has not mentioned. First, the...