forked from D-Net/dnet-hadoop
149 lines
5.6 KiB
Java
149 lines
5.6 KiB
Java
package eu.dnetlib.pace.tree;
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import com.wcohen.ss.AbstractStringDistance;
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import eu.dnetlib.pace.config.Config;
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import eu.dnetlib.pace.model.Person;
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import eu.dnetlib.pace.tree.support.AbstractListComparator;
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import eu.dnetlib.pace.tree.support.ComparatorClass;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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@ComparatorClass("authorsMatch")
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public class AuthorsMatch extends AbstractListComparator {
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Map<String, String> params;
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private double SURNAME_THRESHOLD;
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private double NAME_THRESHOLD;
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private double FULLNAME_THRESHOLD;
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private String MODE; //full or surname
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private int SIZE_THRESHOLD;
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private String TYPE; //count or percentage
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private int common;
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public AuthorsMatch(Map<String, String> params){
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super(params, new com.wcohen.ss.JaroWinkler());
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this.params = params;
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MODE = params.getOrDefault("mode", "full");
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SURNAME_THRESHOLD = Double.parseDouble(params.getOrDefault("surname_th", "0.95"));
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NAME_THRESHOLD = Double.parseDouble(params.getOrDefault("name_th", "0.95"));
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FULLNAME_THRESHOLD = Double.parseDouble(params.getOrDefault("fullname_th", "0.9"));
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SIZE_THRESHOLD = Integer.parseInt(params.getOrDefault("size_th", "20"));
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TYPE = params.getOrDefault("type", "percentage");
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common = 0;
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}
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protected AuthorsMatch(double w, AbstractStringDistance ssalgo) {
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super(w, ssalgo);
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}
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@Override
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public double compare(final List<String> a, final List<String> b, final Config conf) {
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if (a.isEmpty() || b.isEmpty())
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return -1;
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if (a.size() > SIZE_THRESHOLD || b.size() > SIZE_THRESHOLD)
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return 1.0;
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List<Person> aList = a.stream().map(author -> new Person(author, false)).collect(Collectors.toList());
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List<Person> bList = b.stream().map(author -> new Person(author, false)).collect(Collectors.toList());
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common = 0;
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//compare each element of List1 with each element of List2
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for (Person p1 : aList)
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for (Person p2 : bList) {
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//both persons are inaccurate
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if (!p1.isAccurate() && !p2.isAccurate()) {
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//compare just normalized fullnames
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String fullname1 = normalization(p1.getNormalisedFullname().isEmpty()? p1.getOriginal() : p1.getNormalisedFullname());
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String fullname2 = normalization(p2.getNormalisedFullname().isEmpty()? p2.getOriginal() : p2.getNormalisedFullname());
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if (ssalgo.score(fullname1, fullname2) > FULLNAME_THRESHOLD) {
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common += 1;
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break;
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}
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}
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//one person is inaccurate
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if (p1.isAccurate() ^ p2.isAccurate()) {
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//prepare data
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//data for the accurate person
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String name = normalization(p1.isAccurate()? p1.getNormalisedFirstName() : p2.getNormalisedFirstName());
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String surname = normalization(p1.isAccurate()? p1.getNormalisedSurname() : p2.getNormalisedSurname());
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//data for the inaccurate person
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String fullname = normalization(
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p1.isAccurate() ? ((p2.getNormalisedFullname().isEmpty()) ? p2.getOriginal() : p2.getNormalisedFullname()) : (p1.getNormalisedFullname().isEmpty() ? p1.getOriginal() : p1.getNormalisedFullname())
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);
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if (fullname.contains(surname)) {
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if (MODE.equals("full")) {
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if (fullname.contains(name)) {
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common += 1;
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break;
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}
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}
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else { //MODE equals "surname"
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common += 1;
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break;
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}
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}
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}
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//both persons are accurate
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if (p1.isAccurate() && p2.isAccurate()) {
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if (compareSurname(p1, p2)) {
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if (MODE.equals("full")) {
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if(compareFirstname(p1, p2)) {
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common += 1;
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break;
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}
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}
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else { //MODE equals "surname"
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common += 1;
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break;
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}
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}
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}
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}
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//normalization factor to compute the score
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int normFactor = aList.size() == bList.size() ? aList.size() : (aList.size() + bList.size() - common);
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if(TYPE.equals("percentage")) {
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return (double) common / normFactor;
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}
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else {
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return (double) common;
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}
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}
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public boolean compareSurname(Person p1, Person p2) {
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return ssalgo.score(normalization(p1.getNormalisedSurname()), normalization(p2.getNormalisedSurname())) > SURNAME_THRESHOLD;
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}
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public boolean compareFirstname(Person p1, Person p2) {
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if(p1.getNormalisedFirstName().length()<=2 || p2.getNormalisedFirstName().length()<=2) {
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if (firstLC(p1.getNormalisedFirstName()).equals(firstLC(p2.getNormalisedFirstName())))
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return true;
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}
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return ssalgo.score(normalization(p1.getNormalisedFirstName()), normalization(p2.getNormalisedFirstName())) > NAME_THRESHOLD;
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}
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public String normalization(String s) {
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return normalize(utf8(cleanup(s)));
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}
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}
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