Database systems for advanced applications Xin Wang Maria Luisa Sapino Wook Shin Han Amr El Abbadi Gill Dobbie Zhiyong Feng Yingxiao Shao Hongzhi Yin editors ; Part 4 The four volume set LNCS 13943 13944 13945 and 13946 constitutes the proceedings of the 28th International Conference on Database Systems for Advanced Applications DASFAA 2023 held in April 2023 in Tianjin China. The total of 125 full papers along with 66 short papers are presented together in this four volume set was carefully reviewed and selected from 652 submissions. Additionally 15 industrial papers 15 demo papers and 4 PhD consortium papers are included. The conference presents papers on subjects such as model graph learning performance knowledge time recommendation representation attention prediction and network