3. The system of claim 2 , wherein the model builder is further configured to: build a second model using the second training set of feature vectors and the rental fraud indications.
3. The system of claim 2 , wherein the model builder is further configured to: build a second model using the second training set of feature vectors and the rental fraud indications. 5. The system of claim 3 , wherein the predictor is further configured to: predict whether the first test feature vector and the second test feature vector correspond to fraudulent data using a weighted combination of the first model and the second model.