Chang, R.-I.R.-I.ChangLin, S.-Y.S.-Y.LinChang, P.-N.P.-N.ChangTing, C.-L.C.-L.TingRAY-I CHANG2018-09-102018-09-102014http://www.scopus.com/inward/record.url?eid=2-s2.0-84893169912&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/387794Particle swarm optimizer with query-based learning for virtual machine placementjournal article2-s2.0-84893169912