@inproceedings{sun2018secure,
    title={Truth Inference on Sparse Crowdsourcing Data with Local Differential Privacy},
    author={Sun, Haipei and Dong, Boxiang and Wang, Wendy and Yu, Ting and Qin, Zhan},
    booktitle={IEEE International Conference on Big Data},
    year={2018},
    organization={IEEE}
}