// Copyright (C) 2010 Zeno Gantner, Andreas Hoffmann
// Copyright (C) 2011 Zeno Gantner
//
// This file is part of MyMediaLite.
//
// MyMediaLite is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// MyMediaLite 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with MyMediaLite. If not, see <http://www.gnu.org/licenses/>.
package org.mymedialite;
import org.mymedialite.datatype.SparseBooleanMatrix;
/**
* Interface for recommenders that take a binary relation over items into account
*
* @author Zeno Gantner Andreas Hoffmann
* @version 2.03
*/
public interface IItemRelationAwareRecommender extends IRecommender {
/**
* Getter for binary item relation
*/
public SparseBooleanMatrix getItemRelation();
/**
* Setter for binary item relation
*/
public void setItemRelation(SparseBooleanMatrix s);
/**
* Get the number of items
*/
public int getNumItems();
/**
* Set the number of items
*/
public void setNumItems(int numItems);
}