Larisa Shwartz Naga Ayachitula Melissa J. Buco Genady Grabarnik Maheswaran Surendra Christopher Ward Steve Weinberger IT Service Provider's Multi-Customer and Multi-Tenant Environments. 559-566 2007 conf/wecwis/2007 CEC/EEE http://doi.ieeecomputersociety.org/10.1109/CEC-EEE.2007.58 db/conf/wecwis/cec2007.html#ShwartzABGSWW07