org.apache.tika.parser.ner.NERecogniser Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.tika.parser.ner;
import java.lang.String;
import java.util.Map;
import java.util.Set;
/**
* Defines a contract for named entity recogniser. The NER contract includes {@link #isAvailable()},
* {@link #getEntityTypes()} and {@link #recognise( String )}
*/
public interface NERecogniser {
//the common named entity classes
String LOCATION = "LOCATION";
String PERSON = "PERSON";
String ORGANIZATION = "ORGANIZATION";
String MISCELLANEOUS = "MISCELLANEOUS";
String TIME = "TIME";
String DATE = "DATE";
String PERCENT = "PERCENT";
String MONEY = "MONEY";
/**
* checks if this Named Entity recogniser is available for service
* @return true if this recogniser is ready to recognise, false otherwise
*/
boolean isAvailable();
/**
* gets a set of entity types whose names are recognisable by this
* @return set of entity types/classes
*/
Set getEntityTypes();
/**
* call for name recognition action from text
* @param text text with possibly contains names
* @return map of entityType -> set of names
*/
Map> recognise(String text);
}