[2][3] The technology is now available via the website of Refinitiv, a provider of financial market data and infrastructure founded in 2018, that is a subsidiary of London Stock Exchange Group.
[4] The Calais Web service reads unstructured text and returns Resource Description Framework formatted results identifying entities, facts and events within the text.
[5] The service appears to be based on technology acquired when Reuters purchased ClearForest in 2007.
[6] The technology has also been used to automatically tag blog articles,[7] and organize museum collections.
[8] Calais uses natural language processing technologies delivered via a web service interface.