Disinformation in Open Online Media [electronic resource] : First Multidisciplinary International Symposium, MISDOOM 2019, Hamburg, Germany, February 27 – March 1, 2019, Revised Selected Papers /

Human Computer Interaction and Disinformation -- Human and Algorithmic Contributions to Misinformation Online -Identifying the Culprit -- Between Overload and Indifference. Detection of Fake Accounts and Social Bots by Community Managers -- Use and Assessment of Sources in Conspiracy Theorists' Communities.-Credibility Development with Knowledge Graphs -- Automated Detection of Nostalgic Text in the Context of Societal Pessimism -- What is Abusive Language? Integrating Different Views on Abusive Language for Machine Learning -- Automation and Disinformation -- Detecting Malicious Social Bots: Story of a Never-Ending Clash -- The Markets of Manipulation: The Trading of Social Bots on Clearnet and Darknet Markets -- Inside the Tool Set of Automation: Free Social Bot Code Revisited -- Analysis of Automation in Account Engagement for Onsetting Twitter Message Cascades -- How Facebook and Google accidentally created a perfect ecosystem for targeted disinformation -- Between Mainstream and Alternative.-Populist Alternative News Media -- Maintaining Journalistic Authority -- State propaganda on Twitter - How Iranian propaganda accounts tried to negatively in uence the discourse on Saudi Arabia.

This book constitutes the refereed proceedings of the First Multidisciplinary International Symposium, MISDOOM 2019, held in Hamburg, Germany, in February/March 2019. The 14 revised full papers were carefully reviewed and selected from 21 submissions. The papers are organized in topical sections named: human computer interaction and disinformation, automation and disinformation, media and disinformation.