HweeHwa Pang Xuhua Ding Xiaokui Xiao Embellishing Text Search Queries To Protect User Privacy. 598-607 2010 3 PVLDB 1 http://www.comp.nus.edu.sg/~vldb2010/proceedings/files/papers/R53.pdf db/journals/pvldb/pvldb3.html#PangDX10