“…Ge et al, 2017;Delva, Smets, Colpaert, Ballon, & Verborgh, 2020;Li & Tuzhilin, 2019;Shepard, 2011) or applications to connect strangers in public places (Paulos & Goodman, 2004). Research on serendipity has, however, demonstrated that serendipity evolves differently in different contexts inducing the need to further investigate serendipity in urban recommender systems in particular (Lutz, Pieter Hoffmann, & Meckel, 2017;Sun, Sharples, & Makri, 2011;Olshannikova, Olsson, Huhtamäki, Paasovaara, & Kärkkäinen, 2020).…”