Liquidity Risk Portfolio Optimization Using Swarm Intelligence. - Ben Niu 002; Han Xiao 004; Lijing Tan; Yan Fan; Junjun Rao (ICIC (3), 2010)

Bacterial foraging based approaches to portfolio optimization with liquidity risk. - Ben Niu 002; Yan Fan; Han Xiao 004; Bing Xue 001 (Neurocomputing, 2012)