How Google Uses Topic Authority to Find Relevant Expert Sources for News

Google developed a system called topic authority that helps determine which expert sources are helpful to someone's newsy query. It literally says newsy query in certain specialized topics areas such as health, politics or finance. Our systems understand publications that seem especially relevant to topics or locations. For example, they can tell that people looking for news on Nashville high school football often turn to the publication like the Tennessean for local coverage.