Chengyu Sun Papers on DiSC'03 Selectivity Estimation for Spatial Joins with Geometric Selections Exploring Spatial Datasets with Histograms Publications Note: Links lead to the DBLP on the Web. Chengyu Sun 4 Chengyu Sun, Divyakant Agrawal , Amr El Abbadi : Hardware Acceleration for Spatial Selections and Joins. SIGMOD Conference 2003 : 455-466 3 Chengyu Sun, Divyakant Agrawal , Amr El Abbadi : Selectivity Estimation for Spatial Joins with Geometric Selections. EDBT 2002 : 609-626 2 Chengyu Sun, Divyakant Agrawal , Amr El Abbadi : Exploring Spatial Datasets with Histograms. ICDE 2002 : 93-102 1 Keh-Chang Guh , Chengyu Sun, Clement T. Yu : Real Time Retrieval and Update of Materialized Transitive Closure. ICDE 1991 : 690-697 DiSC'03 © 2003 Association for Computing Machinery