Calais (Reuters product)

Calais is a service by Thomson Reuters that automatically extracts semantic information from web pages in a format that can be used on the semantic web.^[1] Calais was launched in January 2008, and is free to use.^[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.

References[]

External links[]

• Official website
• Curry, E.; Freitas, A.; O’Riáin, S. (2010). "The Role of Community-Driven Data Curation for Enterprises" (PDF). In Wood, D. (ed.). Linking Enterprise Data. Preprint. Boston, MA: Springer US. pp. 25–47. Bibcode:2010led..book.....W. doi:10.1007/978-1-4419-7665-9. ISBN 978-1441976642. Case Study of Open Calais

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