Google has updated its core algorithm that controls the answers we get to queries on its search engine in a bid to make them work better for longer, more complex questions.

Most people won’t notice an overt difference to search results. But with more people making more complex queries, especially as they can increasingly speak their searches into their smartphones, there’s a need for new mathematical formulas to handle them.

This update to the algorithm focuses more on ranking sites for better relevance by tapping further into the company’s Knowledge Graph, its encyclopedia of 570 million concepts and relationships among them, according to Amit Singhal, Google’s senior VP of search