Abobakr Khalil Alshamiri Alok Singh 0001 Bapi Raju Surampudi Two swarm intelligence approaches for tuning extreme learning machine. 1271-1283 2018 9 Int. J. Mach. Learn. Cybern. 8 https://doi.org/10.1007/s13042-017-0642-3 db/journals/mlc/mlc9.html#AlshamiriSS18