Overview of ROMCIR 2021: Workshop on reducing online misinformation through credible information retrieval

The 2021 Workshop on Reducing Online Misinformation through Credible Information Retrieval (ROMCIR 2021), as part of the satellite events of the 43rd European Conference on Information Retrieval (ECIR 2021), is concerned with providing users with access to genuine information, to mitigate the information disorder phenomenon characterizing the current online digital ecosystem. This problem is very broad, as it concerns different information objects (e.g., Web pages, online accounts, social media posts, etc.) on different platforms, and different domains and purposes (e.g., detecting fake news, retrieving credible health-related information, reducing propaganda and hate-speech, etc.). In this context, all those approaches that can serve, from different perspectives, to tackle the credible information access problem, find their place. Hence, this overview of the Workshop describes its motivations, scientific objectives, topics of interest, accepted papers, organization and organizational team.