Identifying Structural Mechanisms in Standard Genetic Programming. - Jason M. Daida; Adam M. Hilss (GECCO, 2003)

What Makes a Problem GP-Hard? Validating a Hypothesis of Structural Causes. - Jason M. Daida; Hsiaolei Li; Ricky Tang; Adam M. Hilss (GECCO, 2003)

Visualizing the loss of diversity in genetic programming. - Jason M. Daida; David J. Ward; Adam M. Hilss; Stephen L. Long; Mark R. Hodges; Jason T. Kriesel (IEEE Congress on Evolutionary Computation, 2004)

Visualizing Tree Structures in Genetic Programming. - Jason M. Daida; Adam M. Hilss; David J. Ward; Stephen L. Long (Genet. Program. Evolvable Mach., 2005)