Happy to share the slides for my tutorial on “Similarity Search, Recommendation and Explainability over Graphs in Different Domains: Social Media, News, and Health Industry” which will be presented at Int. Conf. of Web Engineering (https://icwe2021.webengineering.org/) on Tuesday 18 May 2021. The purpose of this tutorial is to demonstrate the application of graph-based recommendation algorithms for social media, news and the health industry.