Dear all, due to several requests we decided to extend the deadlines for the R&I track. The new dates are as follows:     Abstract Submission Deadline:     May 23, 2023 (11:59 pm, Hawaii time - originally May 9)     Paper Submission Deadline:     May 30, 2023 (11:59 pm, Hawaii time - originally May 16)     Notification of Acceptance:     June 20, 2023 (11:59 pm, Hawaii time)     Camera-Ready Paper:     July 04, 2023 (11:59 pm, Hawaii time) For details please go to: https://2023-eu.semantics.cc/page/cfp_rev_rep Looking forward to your submissions! Stay tuned and stay safe! With kind regards, Maribel Acosta & Silvio Peroni -- R&I Track Chairs --