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SIGMOD
1995
ACM
91views Database» more  SIGMOD 1995»
13 years 11 months ago
Topological Relations in the World of Minimum Bounding Rectangles: A Study with R-trees
Dimitris Papadias, Yannis Theodoridis, Timos K. Se...
GIS
2005
ACM
14 years 8 months ago
Two ellipse-based pruning methods for group nearest neighbor queries
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
Hongga Li, Hua Lu, Bo Huang, Zhiyong Huang