Takashi Nagata Munehiro Takimoto Yasushi Kambayashi Suppressing the Total Costs of Executing Tasks Using Mobile Agents. 1-10 2009 HICSS http://dx.doi.org/10.1109/HICSS.2009.411 conf/hicss/2009 db/conf/hicss/hicss2009.html#NagataTK09