Amazon Comprehend
- What it is
- Natural language processing (NLP). Finds meaning and structure in unstructured text.
- What it extracts
- Sentiment (positive/negative/neutral/mixed), entities (people, places, dates, brands), key phrases, dominant language, syntax, and topic modeling across a document set.
- Comprehend Medical — extracts medical conditions, medications, and dosages from clinical text; HIPAA eligible.
- Custom classification and custom entity recognition trained on your own labels.
- Common use cases
- Customer support ticket routing, product review sentiment analysis, PII detection and redaction in documents.
- Not to be confused with
- Amazon Textract — extracts text from a scanned document. Comprehend understands text you already have. They chain: Textract → Comprehend.
- Amazon Translate — converts language. Amazon Transcribe — speech to text.