Elaine Shi John Bethencourt Hubert T.-H. Chan Dawn Xiaodong Song Adrian Perrig Multi-Dimensional Range Query over Encrypted Data. 350-364 2007 conf/sp/2007 IEEE Symposium on Security and Privacy http://dx.doi.org/10.1109/SP.2007.29 db/conf/sp/sp2007.html#ShiBCSP07