If it looks like a spammer and behaves like a spammer, it must be a spammer: analysis and detection of microblogging spam accounts
Abdullah Almaatouq, Erez Shmueli, Mariam Nouh, Ahmad Alabdulkareem, Vivek K. Singh, Mansour Alsaleh, Abdulrahman Alarifi, Anas Alfaris & Alex ‘Sandy’ Pentland, 2016