DSToolkit: An Architecture for Flexible Dataspace Management. - Cornelia Hedeler; Khalid Belhajjame; Lu Mao; Chenjuan Guo; Ian Arundale; Bernadette Farias Lóscio; Norman W. Paton; Alvaro A. A. Fernandes; Suzanne M. Embury (Trans. Large Scale Data Knowl. Centered Syst., 2012)