forked from D-Net/dnet-hadoop
43 lines
1.2 KiB
Java
43 lines
1.2 KiB
Java
package eu.dnetlib.pace.tree;
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import eu.dnetlib.pace.model.Field;
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import eu.dnetlib.pace.model.FieldList;
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import java.util.List;
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import java.util.Map;
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@ComparatorClass("coauthorsMatch")
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public class CoauthorsMatch extends AbstractComparator {
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public CoauthorsMatch(Map<String, Number> params) {
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super(params);
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}
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@Override
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public double compare(Field a, Field b) {
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final List<String> c1 = ((FieldList) a).stringList();
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final List<String> c2 = ((FieldList) b).stringList();
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int size1 = c1.size();
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int size2 = c2.size();
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//few coauthors or too many coauthors
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if (size1 < params.getOrDefault("minCoauthors", 5).intValue() || size2 < params.getOrDefault("minCoauthors", 5).intValue() || (size1+size2 > params.getOrDefault("maxCoauthors", 200).intValue()))
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return -1;
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int coauthorship = 0;
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for (String ca1: c1){
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for (String ca2: c2){
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if (stringSimilarity(ca1.replaceAll("\\.","").replaceAll(" ",""), ca2.replaceAll("\\.","").replaceAll(" ",""))>= params.getOrDefault("simTh", 0.7).doubleValue())
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coauthorship++;
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}
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}
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return coauthorship;
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}
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}
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