Applications of social Influence Models 9 Backward network Forward network engineering engineering Backward Learn from Forward predictions observed data predictions a Forward Predictions: viral marketing influence maximization a Backward Predictions: effector/initiator finding, sensor placement cascade detectionApplications of Social Influence Models  Forward Predictions: viral marketing, influence maximization  Backward Predictions: effector/initiator finding, sensor placement, cascade detection Forward network engineering Backward predictions Forward predictions Backward network engineering Learn from observed data 9