function classify_service(input, mapping) {
    var shp_to_raster_result = new ValueStore();
    WPS_shp_to_raster({input: input.training_data}, {output: shp_to_raster_result});

    var raster_to_SVM_result = new ValueStore();
    WPS_raster_to_SVM({
        input1: input.data,
        input2: shp_to_raster_result
    }, {output: raster_to_SVM_result});

    var svm_result = new ValueStore()
    WPS_SVM({input: raster_to_SVM_result}, {output: svm_result});

    var svm_to_raster_result = new ValueStore();
    WPS_SVM_to_raster({input: svm_result}, {output: svm_to_raster_result});

    mapping.result.set(svm_to_raster_result);
}