ClearForest

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Introduction

ClearForest is a Thomson Reuters company in Tel Aviv, Israel that produces OneCalais solutions,[1] which "use Natural Language Processing (NLP), text analytics and data mining technologies to derive meaning from unstructured information, including news articles, blog posts, research reports and more."[2] OneCalais carries out the following functions:[2]

  • It categorizes each piece of content using both IPTC news codes and social tags.
  • It identifies and tags the people, places, companies, facts and events in content, and returns those tags in the official W3C Semantic Web specification for metadata, Resource Description Framework (RDF).
  • It returns a unique document identifier, as well as links to related assets in the Linking Open Data (LOD) cloud.

ClearForest also produces the free OpenCalais service,[3] which produces semantic metadata for content submitted by users.[4] Users submit unstructured documents (text/HTML/XML) into OpenCalais, and the system tags named entities, facts, and events within the document.[4] The OpenCalais web service is free to both commercial and non-commercial users.[4]


Sources

  1. "About ClearForest." ClearForest website, http://www.clearforest.com/about.html. Accessed September 21, 2011.
  2. 2.0 2.1 "ClearForest Solutions." ClearForest website, http://www.clearforest.com/solutions.html. Accessed September 21, 2011.
  3. "ClearForest." ClearForest website, http://www.clearforest.com/index.html. Accessed September 21, 2011.
  4. 4.0 4.1 4.2 "Calais: Connect. Everything." CALAIS website, http://www.opencalais.com/about. Accessed September 21, 2011.

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