@misc{cryptoeprint:2021:816,
    author = {Alexandra Boldyreva and Tianxin Tang},
    title = {Privacy-Preserving Approximate k-Nearest-Neighbors Search that Hides Access, Query and Volume Patterns},
    howpublished = {Cryptology ePrint Archive, Report 2021/816},
    year = {2021},
    url = {https://eprint.iacr.org/2021/816},
}