The engine which delivers content from our sources to the Agility platform determines sentiment based on the terms used in the article. It is approximately 70% accurate.
Sentiment is determined by a program that finds designated keywords or phrases . From there it looks at the words in their proximity. The surrounding words have an associated value based on what is considered "positive" or "negative". The program doesn't understand sarcasm, cadence or humour.
Sentiment is only used for English, Spanish and French content.