NER is also called entity identification, entity chunking or entity extraction.
Answer
- NER is a subtask of information extraction that seeks to locate and classify named entity mentioned in unstructured text into pre-defined categories such as person name, organizations, locations, medical codes, monetary values, etc.
Consider:
- Unstructured Text:
Neil Armstong of the US had landed on the moon in 1969.
- Converted as:
Neil Armstong - name; The US – country; 1969 – time (temporal token).