Text extracts from: Ontos
http://www.ontos.com/

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Topic-> Semantic Web->Semantic metadata
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http://www.ontos.com/o_eng/index.php?cs=2-1
Semantic API  Getting Started Getting Started Showcase Gallery Sign Up Meet Ontos API Ontos API generates semantic metadata for your plain text content....

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demo(1) | nlp(1) | semantic_metadata(1)