private static double[] compareFieldSet(String[] fields, BibEntry one, BibEntry two) {
double res = 0;
double totWeights = 0.;
for (String field : fields) {
double weight;
if (DuplicateCheck.FIELD_WEIGHTS.containsKey(field)) {
weight = DuplicateCheck.FIELD_WEIGHTS.get(field);
} else {
weight = 1.0;
}
totWeights += weight;
int result = DuplicateCheck.compareSingleField(field, one, two);
if (result == EQUAL) {
res += weight;
} else if (result == EMPTY_IN_BOTH) {
totWeights -= weight;
}
}
if (totWeights > 0) {
return new double[] {res / totWeights, totWeights};
}
return new double[] {0.5, 0.0};
}
static {
DuplicateCheck.FIELD_WEIGHTS.put("author", 2.5);
DuplicateCheck.FIELD_WEIGHTS.put("editor", 2.5);
DuplicateCheck.FIELD_WEIGHTS.put("title", 3.);
DuplicateCheck.FIELD_WEIGHTS.put("journal", 2.);
}