D-Net

package eu.dnetlib.pace.distance;

import com.wcohen.ss.AbstractStringDistance;

/**

 * The Class Levenstein.

 */

public class Levenstein extends SecondStringDistanceAlgo {

	/**

	 * Instantiates a new levenstein.

	 * 

	 * @param w

	 *            the w

	 */

	public Levenstein(final double w) {

		super(w, new com.wcohen.ss.Levenstein());

	}

	/**

	 * Instantiates a new levenstein.

	 * 

	 * @param w

	 *            the w

	 * @param ssalgo

	 *            the ssalgo

	 */

	protected Levenstein(final double w, final AbstractStringDistance ssalgo) {

		super(w, ssalgo);

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see eu.dnetlib.pace.distance.DistanceAlgo#getWeight()

	 */

	@Override

	public double getWeight() {

		return super.weight;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see eu.dnetlib.pace.distance.SecondStringDistanceAlgo#normalize(double)

	 */

	@Override

	protected double normalize(final double d) {

		return 1 / Math.pow(Math.abs(d) + 1, 0.1);

	}

}