@ARTICLE{YuaMonBirStu2012, author = {Z. Yuan and M. {Montes~de~Oca} and M. Birattari and T. St\"{u}tzle}, title = {Continuous optimization algorithms for tuning real and integer parameters of swarm intelligence algorithms}, journal = {Swarm Intelligence}, volume = {6}, number = {1}, pages = {49--75}, year = {2012} }