Entity recognition, also known as entity extraction or named entity recognition (NER), is a natural language processing (NLP) task that involves identifying and classifying named entities in a text into predefined categories such as person names, organizations, locations, and so on.
Entity recognition is useful for a variety of applications, including information extraction, text summarization, and question answering. Some specific examples of how entity recognition models can be used include:
- Information extraction: Entity recognition models can be used to extract structured information from unstructured text, such as extracting the names of people and organizations mentioned in a news article.
- Text summarization: Entity recognition models can be used to identify the most important entities mentioned in a text and use them to generate a summary of the text.
- Question answering: Entity recognition models can be used to identify the entities mentioned in a question and use them to retrieve relevant information from a database or other source.
- Chatbots: Entity recognition models can be used to understand the entities mentioned in a user’s input and use them to generate an appropriate response.
- Customer service: Entity recognition models can be used to identify the entities mentioned in customer inquiries and use them to route the inquiries to the appropriate customer service representative or to automatically generate a response.