Google Gurus: Google Knowledge Graph

Knowledge Graph

• This is Google’s first public crack at semantic searching. 

• Information from the Knowledge Graph is presented as a box to the right or top on mobile of search results. According to Google, this information is retrieved from many sources, including the CIA World Factbook, Wikidata, and Wikipedia. Information from the Knowledge Graph is used to answer direct spoken questions in Google Assistant and Google Home voice queries.

• For more detailed information read this.