/** * Palmetto - Palmetto is a quality measure tool for topics. * Copyright © 2014 Data Science Group (DICE) ([email protected]) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.aksw.palmetto.calculations.indirect; import org.aksw.palmetto.data.SubsetVectors; import com.carrotsearch.hppc.IntObjectOpenHashMap; @Deprecated public class CentroidConfirmationMeasure extends CosinusConfirmationMeasure { @Override public String getName() { return "m_cen"; } @Override public double[] calculateConfirmationValues(SubsetVectors subsetVectors) { double values[] = new double[subsetVectors.segments.length]; double centroid[] = new double[subsetVectors.vectors[0].length]; IntObjectOpenHashMap<double[]> vectorCache = new IntObjectOpenHashMap<double[]>(); for (int i = 0; i < subsetVectors.vectors.length; ++i) { vectorCache.put(1 << i, subsetVectors.vectors[i]); for (int j = 0; j < centroid.length; j++) { centroid[j] += subsetVectors.vectors[i][j]; } } // for (int j = 0; j < centroid.length; j++) { // centroid[j] /= subsetVectors.vectors.length; // } double segmentVector[]; for (int i = 0; i < subsetVectors.segments.length; ++i) { if (vectorCache.containsKey(subsetVectors.segments[i])) { segmentVector = vectorCache.lget(); } else { segmentVector = createVector(subsetVectors.segments[i], subsetVectors.vectors); vectorCache.put(subsetVectors.segments[i], segmentVector); } values[i] = calculateSimilarity(segmentVector, centroid); } return values; } }