Srikumar and bhasker 120 100 0.090.190.280.380.470.570.660.760.850.951.00 Campaign Size random model-▲gain 40 3500 20 1500 0.100.200.290.390.490.590.680.780.880.981.00 Figure 5 Profit on varying campaign size evaluation of the system is quite small. It prospects. The customer click and y be useful to study how the purchase histories can be combined using methodology performs for a large-scale the methodology described by Cho et sample. Thirdly, the use of customer demographic and psychographic details an aid in customer profiling during Fourth CONCLUSIONS provide a rich source of data for identifying customer target selection using the ce purchase behaviours, Customer click recommender systems was introduced histories can be used in conjunction with The methodology was implemented and purchase histories for better sclcction of experimental results provided on a 68 Journal of Targeting, Measurement and Analysis for Marketing Vol. 13, 1, 61-69 2 Henry Stewart Publications 0967-3237(2004) Reproduced with permission of the copyright owner. Further reproduction prohibited without permissionReproduced with permission of the copyright owner. Further reproduction prohibited without permission