Three-dimensional spatial join count exploiting CPU optimized STR R-tree. - Ryuya Mitsuhashi; Hideyuki Kawashima; Takahiro Nishimichi; Osamu Tatebe (IEEE BigData, 2016)

Performing External Join Operator on PostgreSQL with Data Transfer Approach. - Ryota Takizawa; Hideyuki Kawashima; Ryuya Mitsuhashi; Osamu Tatebe (HPC Asia, 2018)