/*
* Copyright 2013
* Ubiquitous Knowledge Processing (UKP) Lab
* Technische Universität Darmstadt
*
* 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 de.tudarmstadt.ukp.dkpro.core.frequency.tfidf.model;
import java.io.Serializable;
public interface DfModel
extends Serializable
{
public final String FILE_NAME = "dfModel.ser";
/**
* Returns the number of documents, in which the term appears.
*
* @param term
* a term.
* @return document frequency
*/
public int getDf(String term);
/**
* @return the total number of documents taken into account in this model.
*/
public int getDocumentCount();
/**
* @return the feature path of the type which was used to create the df_model.
*/
public String getFeaturePath();
/**
* @return if the model was created using strings converted to lowercase
*/
public boolean getLowercase();
}