Named Entity Recognition (NER)

Extraction and labeling(classifying) of "real-world" objects (named entities).

Types of named entities(labels):

  • PERSON: People, including fictional.
  • NORP: Nationalities or religious or political groups.
  • FAC: Buildings, airports, highways, bridges, etc.
  • ORG: Companies, agencies, institutions, etc.
  • GPE: Countries, cities, states.
  • LOC: Non-GPE locations, mountain ranges, bodies of water.
  • PRODUCT: Objects, vehicles, foods, etc. (Not services.)
  • EVENT: Named hurricanes, battles, wars, sports events, etc.
  • WORK_OF_ART: Titles of books, songs, etc.
  • LAW: Named documents made into laws.
  • LANGUAGE: Any named language.
  • DATE: Absolute or relative dates or periods.
  • TIME: Times smaller than a day.
  • PERCENT: Percentage, including ”%“.
  • MONEY: Monetary values, including unit.
  • QUANTITY: Measurements, as of weight or distance.
  • ORDINAL: “first”, “second”, etc.
  • CARDINAL: Numerals that do not fall under another type.
    Learning Material:
  • Devopedia: Named Entity Recognition