Cogito API Core extracts the knowledge hidden in content with high quality output, at high speed. Through an understanding of the meaning of words in context, Cogito API Core identifies the entities present in documents, relations between the entities, concepts, and the semantically relevant information contained in a text. Cogito API provides following semantic processing functions: categorization; people, organizations, places and additional entities extraction; sentiment analysis; summary; deep part-of-speech tagging.