Structural Entropic Difference: A Bounded Distance Metric for Unordered Trees. - Richard Connor 001; Fabio Simeoni; Michael Iakovos (SISAP, 2009)

Towards a universal information distance for structured data. - Richard Connor 001; Fabio Simeoni; Michael Iakovos; Robert Moss (SISAP, 2011)

A bounded distance metric for comparing tree structure. - Richard Connor 001; Fabio Simeoni; Michael Iakovos; Robert Moss (Inf. Syst., 2011)