Google's knowledge graph
How important is to understand the words in search? Google does it through building knowledge graph. Google does it through understanding the relationship between subjects and objects. Google does use and compare with other users success criteria in searching and researching on top of it building a knowledge graph based on success factors to make the indexing, and building knowledge graph and enhancing every day keep it up to date and more relevant.
Google is taking an important step to move from information to Knowledge engine. The enhancements are happening every day by using very advanced algorithms which are really important for future search businesses.
"Get an under the hood look at the next frontier in Search, from the team at Google behind the technology. The Knowledge Graph is a huge collection of the people, places and things in the world and how they're connected to one another. With this technology, Google can get you the best."