/**
* Ivory: A Hadoop toolkit for Web-scale information retrieval
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You may
* obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package ivory.ptc.judgments.weighting;
import edu.umd.cloud9.webgraph.data.AnchorText;
import org.apache.hadoop.fs.FileSystem;
/**
* A weighting scheme interface that computes the confidence scores for
* a relevance judgment.
*
* @author Nima Asadi
*/
public interface WeightingScheme {
/**
* Initializes the current weighting scheme with the given
* set of parameters.
*
* @param fs FileSystem object.
* @param params Array of the string representation of the
* parameters needed to initialize the weighting scheme.
*/
public void initialize(FileSystem fs, String... params);
/**
* Computes a relevence score of the given anchor text (pseudo quert)
* and a target document (pseudo judgment)
*
* @param targetDocument Document id for the target document.
* @param anchorText Anchor text object.
*/
public float getWeight(int targetDocument, AnchorText anchorText);
}