Rumor Propagation is Amplified by Echo Chambers in Social Media

Spreading rumors on the Internet has become increasingly pervasive due to the proliferation of online social media. This paper investigates how rumors are amplified by a group of users who share similar interests or views, dubbed as an echo chamber . To this end, we identify and analyze ‘rumor’ echo chambers , each of which is a group of users who have participated in propagating common rumors. By collecting and analyzing 125 recent rumors from...