Improving Performance with Bulk-Inserts in Oracle R-Trees. - Ning An 006; Kothuri Venkata Ravi Kanth; Siva Ravada (VLDB, 2003)

Incorporating Updates in Domain Indexes: Experiences with Oracle Spatial R-trees. - Kothuri Venkata Ravi Kanth; Siva Ravada; Ning An 006 (ICDE, 2004)

Securely implementing open geospatial consortium web service interface standards in oracle spatial. - Ning An 006; Raja Chatterjee; Mike Hörhammer; Siva Ravada (WWW, 2009)