EU legislation, EU soft law instruments, EU press releases = data is available on EUR-lex, website of DG COMM of the European Commission. The data are in English but official EU translation are available through the EU websites (https://eur-lex.europa.eu/homepage.html;
https://ec.europa.eu/info/about-european-commission/contact/press-services/press-releases-and-notifications_en). When data is transcribed by researcher (in case of interviews), it cannot be made publicly available.
COST Action CA17132 - APPLY
European Network for Argumentation and Public Policy Analysis

In-depth Interviews with 10 journalists and editors on the topic of online comments’ moderation conducted between 2013 and 2014