AIDA is a framework and online tool for entity detection and disambiguation. Given a natural-language text or a Web table, it maps mentions of ambiguous names onto canonical entities (e.g., individual people or places) registered in the YAGO2 knowledge base.
Zemanta is a tool that looks over your shoulder while you blog and gives you tips and advice, suggests related content and pictures and makes sure your posts get promoted as they deserve to be. We at Zemanta are thinking hard to help make blogging easier for you. We're engineering better creative tools to help you get the most out of your blogging time.
The Calais Web Service ingests unstructured text and returns Resource Description Framework formatted results identifying entities, facts and events within the text.[4] The service appears to be based on technology acquired when Reuters purchased ClearForest in 2007.
DBpedia Spotlight is a tool for annotating mentions of DBpedia resources in text, providing a solution for linking unstructured information sources to the Linked Open Data cloud through DBpedia.