http://ceur-ws.org/Vol-1695/paper4.pdf

hope it will help you

Thanks dr quoc

Good question

The Knowledge Graph is a knowledge base used by Google and its services to enhance its search engine's results with information gathered from a variety of sources. This information is presented to users in a box to the right of search results. Knowledge Graph boxes were added to Google's search engine in May 2012, starting in the United States, with international expansion by the end of the year. The Knowledge Graph was powered in part by Freebase.[1] WIKIPEDIA

thanks for the question, i have learned

thanks Dr Mostaq and Dr Ahmed for nice input

Thanks

A Knowledge Graph may be understood as a compiling and connecting multiple human perspectives on a topic and provides personalized answers.

Thanks for your question.

Interesting answer @Shadi Ibrahim