Entity extraction
Also: named entity recognition, NER
Pulling out names, dates, amounts, and places from text.
The fuller definition
Entity extraction identifies mentions of entities such as people, organizations, dates, or amounts in text. Named entity recognition is a common form.
- Passage
Morgan wrote on Friday
- Mentions
Person and date expression
- Review
Resolve identity and date
A simplified relationship, not a screenshot or a complete design.
A concrete example
A pipeline marks company names and dates in correspondence before a reviewer checks identities and context.
The distinction that matters
Finding a name does not establish who the person is or whether two similar names refer to the same person.
Related terms
Text extraction
Pulling the words out of a file like a PDF so a program can use them.
Documents & retrievalMetadata
Information about a file rather than its contents, such as its author, date, and page count.
Documents & retrievalKnowledge graph
A map of things and how they connect, such as people, companies, and events, with lines between them.
Where it is taught
How document-grounded AI answers workSource and further reading
Sentence Transformers · Semantic searchThe definition and example are written for this library. The link gives background, official documentation or legal authority as labelled. Legal scope depends on the jurisdiction and current text; product features depend on release and settings.