Similarity Search and Applications : 14th International Conference, SISAP 2021, Dortmund, Germany, September 29 - October 1, 2021, Proceedings - Reyes, Nora; Bartolini, Ilaria; Chen, Jian-Jia; Connor, Richard; Kazempour, Daniyal; Kriege, Nils; Schubert, Erich (Springer, 2021)