*20th International Semantic Web Conference (ISWC 2021)* Virtual, October 24-28, 2021 https://iswc2021.semanticweb.org *Final Program* The final program of ISWC 2021 is now set and available online at: https://iswc2021.semanticweb.org/final-programme *Registration* The Registration for ISWC 2021 is open. Early-rate tickets are available until *October 15*. Register at: https://iswc2021.semanticweb.org/attending *Invited Speakers* - Abraham Bernstein, University of Zürich - Yoelle Maarek, Amazon - Julia Stoyanovich, New York University Details about the ISWC 2021 speakers can be found at: https://iswc2021.semanticweb.org/keynote-speakers Follow ISWC on social media: - Twitter: @iswc_conf #iswc_conf (https://twitter.com/iswc_conf) - LinkedIn: https://www.linkedin.com/groups/13612370 - Facebook: https://www.facebook.com/ISWConf The ISWC 2021 Organising Team https://iswc2021.semanticweb.org/organizing-committee