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Sigma knowledge engineering system is an system for developing, viewing and debugging theories in first order logic. It works with Knowledge Interchange Format (KIF) and is optimized for the Suggested Upper Merged Ontology (SUMO) www.ontologyportal.org.

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/*
 * Copyright 2014-2015 IPsoft
 *
 * Author: Andrei Holub [email protected]
 *
 * This program 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 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program ; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA  02111-1307 USA
 */
package com.articulate.sigma.semRewrite.substitutor;

import edu.stanford.nlp.ling.CoreLabel;

import java.util.Optional;

public interface ClauseSubstitutor {

    /** ***************************************************************
     * Returns true if substitutor contains key with given label
     */
    boolean containsKey(CoreLabel key);

    /** ***************************************************************
     * Returns true if substitutor contains key with given label
     * E.g. "was-3"
     */
    boolean containsKey(String keyLabel);

    /** ***************************************************************
     * Searches for referenced group by only first label in the key
     */
    Optional getGroupedByFirstLabel(CoreLabel label);

    /** ***************************************************************
     * Searches for referenced group by any label included into the key
     */
    CoreLabelSequence getGrouped(CoreLabel key);

    /** ***************************************************************
     * Searches for referenced group by any label included into the key
     * E.g. "training-7"
     */
    CoreLabelSequence getGrouped(String keyLabel);
}