@ARTICLE{7412756, author={Liu, Xuefeng and Sun, Wenhai and Quan, Hanyu and Lou, Wenjing and Zhang, Yuqing and Li, Hui}, journal={IEEE Transactions on Services Computing}, title={Publicly Verifiable Inner Product Evaluation over Outsourced Data Streams under Multiple Keys}, year={2017}, volume={10}, number={5}, pages={826-838}, doi={10.1109/TSC.2016.2531665}}