中国计算机学会（CCF）推荐学术会议-C（数据库／数据挖掘／内容检索）：PAKDD 2026PAKDD 2026The 30th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD) will take place in Hong Kong SAR, China, on June 9-12, 2026. PAKDD 2026 is soliciting contributed technical papers for presentation at the Conference and publication