Multistep Search Algorithm for Sum k-Nearest Neighbor Queries on Remote Spatial Databases. - Hideki Sato; Ryoichi Narita (IIMSS, 2012)

Supporting Sum Range Queries on Remote Spatial Databases Using k-Nearest Neighbor Search. - Hideki Sato; Ryoichi Narita (IIMSS, 2013)

Efficient Maximum Range Search on Remote Spatial Databases Using k-Nearest Neighbor Queries. - Hideki Sato; Ryoichi Narita (KES, 2013)

Approximate search algorithm for aggregate k-nearest neighbour queries on remote spatial databases. - Hideki Sato; Ryoichi Narita (Int. J. Knowl. Web Intell., 2013)

Approximately processing aggregate range queries on remote spatial databases. - Hideki Sato; Ryoichi Narita (Int. J. Knowl. Web Intell., 2013)

Farthest-Point Voronoi Region Sensitive Processing for Further Precise Maximum Query Results. - Hideki Sato; Ryoichi Narita (IDT/IIMSS/STET, 2014)