An analysis of communication policies for homogeneous multi-colony ACO algorithms. - Colin Twomey; Thomas Stützle; Marco Dorigo; Max Manfrin; Mauro Birattari (Inf. Sci., 2010)

Searching for structure in collective systems. - Colin Twomey; Andrew Hartnett; Matthew M. G. Sosna; Pawel Romanczuk (Theory Biosci., 2021)