/*
* ARX: Powerful Data Anonymization
* Copyright 2012 - 2017 Fabian Prasser, Florian Kohlmayer and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.deidentifier.arx.examples;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
import org.deidentifier.arx.ARXAnonymizer;
import org.deidentifier.arx.ARXConfiguration;
import org.deidentifier.arx.ARXResult;
import org.deidentifier.arx.AttributeType;
import org.deidentifier.arx.AttributeType.Hierarchy;
import org.deidentifier.arx.AttributeType.Hierarchy.DefaultHierarchy;
import org.deidentifier.arx.Data;
import org.deidentifier.arx.Data.DefaultData;
import org.deidentifier.arx.criteria.DistinctLDiversity;
import org.deidentifier.arx.criteria.KAnonymity;
import org.deidentifier.arx.metric.Metric;
/**
* This class implements an example on how to use multiple instances of l-diversity
* without protecting sensitive associations.
*
* @author Fabian Prasser
* @author Florian Kohlmayer
*/
public class Example23 extends Example {
/**
* Entry point.
*
* @param args
* the arguments
*/
public static void main(String[] args) throws IOException {
// Define data
DefaultData data = Data.create();
data.add("zipcode", "age", "disease");
data.add("47677", "22", "gastric ulcer");
data.add("47602", "23", "gastritis");
data.add("47678", "24", "stomach cancer");
data.add("47605", "25", "bronchitis");
data.add("47607", "26", "pneumonia");
data.add("47673", "26", "pneumonia");
data.add("47905", "23", "gastritis");
data.add("47909", "27", "flu");
data.add("47906", "25", "bronchitis");
// Define hierarchies
DefaultHierarchy age = Hierarchy.create();
age.add("29", "<=40", "*");
age.add("22", "<=40", "*");
age.add("27", "<=40", "*");
age.add("43", ">40", "*");
age.add("52", ">40", "*");
age.add("47", ">40", "*");
age.add("30", "<=40", "*");
age.add("36", "<=40", "*");
age.add("32", "<=40", "*");
// Only excerpts for readability
DefaultHierarchy zipcode = Hierarchy.create();
zipcode.add("47677", "4767*", "476**", "47***", "4****", "*****");
zipcode.add("47602", "4760*", "476**", "47***", "4****", "*****");
zipcode.add("47678", "4767*", "476**", "47***", "4****", "*****");
zipcode.add("47905", "4790*", "479**", "47***", "4****", "*****");
zipcode.add("47909", "4790*", "479**", "47***", "4****", "*****");
zipcode.add("47906", "4790*", "479**", "47***", "4****", "*****");
zipcode.add("47605", "4760*", "476**", "47***", "4****", "*****");
zipcode.add("47673", "4767*", "476**", "47***", "4****", "*****");
zipcode.add("47607", "4760*", "476**", "47***", "4****", "*****");
// Define sensitive value hierarchy
DefaultHierarchy disease = Hierarchy.create();
disease.add("flu",
"respiratory infection",
"vascular lung disease",
"respiratory & digestive system disease");
disease.add("pneumonia",
"respiratory infection",
"vascular lung disease",
"respiratory & digestive system disease");
disease.add("bronchitis",
"respiratory infection",
"vascular lung disease",
"respiratory & digestive system disease");
disease.add("pulmonary edema",
"vascular lung disease",
"vascular lung disease",
"respiratory & digestive system disease");
disease.add("pulmonary embolism",
"vascular lung disease",
"vascular lung disease",
"respiratory & digestive system disease");
disease.add("gastric ulcer",
"stomach disease",
"digestive system disease",
"respiratory & digestive system disease");
disease.add("stomach cancer",
"stomach disease",
"digestive system disease",
"respiratory & digestive system disease");
disease.add("gastritis",
"stomach disease",
"digestive system disease",
"respiratory & digestive system disease");
disease.add("colitis",
"colon disease",
"digestive system disease",
"respiratory & digestive system disease");
disease.add("colon cancer",
"colon disease",
"digestive system disease",
"respiratory & digestive system disease");
data.getDefinition().setAttributeType("zipcode", zipcode);
data.getDefinition().setAttributeType("disease", AttributeType.SENSITIVE_ATTRIBUTE);
data.getDefinition().setAttributeType("age", AttributeType.SENSITIVE_ATTRIBUTE);
// Create an instance of the anonymizer
ARXAnonymizer anonymizer = new ARXAnonymizer();
ARXConfiguration config = ARXConfiguration.create();
config.addPrivacyModel(new KAnonymity(3));
config.addPrivacyModel(new DistinctLDiversity("disease", 2));
config.addPrivacyModel(new DistinctLDiversity("age", 2));
config.setMaxOutliers(0.1d);
config.setQualityModel(Metric.createEntropyMetric());
// Now anonymize
ARXResult result = anonymizer.anonymize(data, config);
// Print info
printResult(result, data);
// Process results
if (result.isResultAvailable()) {
System.out.println(" - Transformed data:");
Iterator<String[]> transformed = result.getOutput(false).iterator();
while (transformed.hasNext()) {
System.out.print(" ");
System.out.println(Arrays.toString(transformed.next()));
}
}
}
}