Package org.apache.tika.parser.ner.nltk

Class NLTKNERecogniser

java.lang.Object
org.apache.tika.parser.ner.nltk.NLTKNERecogniser
All Implemented Interfaces:
NERecogniser
@Deprecated(since="2026-04-30") public class NLTKNERecogniser extends Object implements NERecogniser
Deprecated.
This version of the Apache Tika library is deprecated. Use your own version of Apache Tika.
This class offers an implementation of NERecogniser based on ne_chunk() module of NLTK. This NER requires additional setup, due to Http requests to an endpoint server that runs NLTK. See

  • Field Details

    • ENTITY_TYPES

      public static final Set<String> ENTITY_TYPES
      Deprecated.
      some common entities identified by NLTK

  • Constructor Details

    • NLTKNERecogniser

      public NLTKNERecogniser()
      Deprecated.

  • Method Details

    • isAvailable

      public boolean isAvailable()
      Deprecated.
      Description copied from interface: NERecogniser
      checks if this Named Entity recogniser is available for service
      Specified by:
      isAvailable in interface NERecogniser
      Returns:
      true if server endpoint is available. returns false if server endpoint is not avaliable for service.

    • getEntityTypes

      public Set<String> getEntityTypes()
      Deprecated.
      Gets set of entity types recognised by this recogniser
      Specified by:
      getEntityTypes in interface NERecogniser
      Returns:
      set of entity classes/types

    • recognise

      public Map<String,Set<String>> recognise(String text)
      Deprecated.
      recognises names of entities in the text
      Specified by:
      recognise in interface NERecogniser
      Parameters:
      text - text which possibly contains names
      Returns:
      map of entity type -> set of names