Yan X,Chen R,Cheng C,et al.Spatial query processing engine in spatially enabled database[C]//Geoinformatics.Beijing:IEEE,2010:1-6.
[2]
Xia T,Zhang E,Kanoulas E,et al.On computing top-t most influential spatial sites[C]//Very Large Data Bases.Trondheim:ACM,2005:946-957.
[3]
Du Y,Zhang D,Xia T.The optimal-location query[C]//Symposium on Spatial and Temporal Databases.Angra Dos Reis:Springer,2005:163-180.
[4]
Yiu M,Dai X,Mamoulis N,et al.Top-k spatial preference queries[C]//International Conference on Data Engineering.Istanbul:IEEE,2007:1076-1085.
[5]
Yiu M,Lu H,Mamoulis N,et al.Ranking spatial data by quality preferences[J].Transactions on Knowledge and Data Engineering,2011,23(3):433-446.
[6]
Guttman A.R-Trees:a dynamic index structure for spatial searching[C]//International Conference on Management of Data.Boston:ACM,1984:47-57.
[7]
Joao B,Vlachou A,Doulkeridis C,et al.Efficient processing of top-k spatial preference queries[C]//Very Large Data Bases.Seattle:ACM,2011:93-104.
[8]
Papadias D,Shen Q,Tao Y,et al.Group nearest neighbor queries[C]//International Conference on Data Engineering .Boston:IEEE,2004:301-312.
[9]
Li H,Lu H,Huang B,et al.Two ellipse-based pruning methods for group nearest neighbor queries[C]// Advances in Geographic Information Systems.Bremen:ACM,2005:192-199.