Calais is a service created 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
edit- ^ "Calais Overview". Archived from the original on 2008-10-24. Retrieved 2008-10-24.
- ^ "Reuters Wants The World To Be Tagged". Archived from the original on 2008-04-11. Retrieved 2008-04-12.
- ^ Start making sense
- ^ "Intelligent Tagging". Refinitiv.
- ^ "Calais API guide". Archived from the original on 2008-10-23. Retrieved 2008-10-24.
- ^ "ClearForest". Archived from the original on 2013-01-24. Retrieved 2012-11-27.
- ^ "WP Calais Auto Tagger". Archived from the original on 2008-04-13. Retrieved 2008-04-12.
- ^ OpenCalais meets our museum collection /auto-tagging and semantic parsing of collection data
External links
edit- 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. Boston, MA: Springer US. pp. 25–47. Bibcode:2010led..book.....W. doi:10.1007/978-1-4419-7665-9. hdl:10983/14597. ISBN 978-1441976642.
Case Study of Open Calais
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