Introduction to the Fifth Annual Lifelog Search Challenge, LSC'22. - Gurrin, Cathal; Zhou, Liting; Healy, Graham; Jónsson, Björn Þór; Dang-Nguyen, Duc-Tien; Lokoc, Jakub; Tran, Minh-Triet; Hürst, Wolfgang; Rossetto, Luca; Schöffmann, Klaus (2022)