Web: http://arxiv.org/abs/2205.02130

May 5, 2022, 1:11 a.m. | Justus Mattern, Benjamin Weggenmann, Florian Kerschbaum

cs.CL updates on arXiv.org arxiv.org

As the issues of privacy and trust are receiving increasing attention within
the research community, various attempts have been made to anonymize textual
data. A significant subset of these approaches incorporate differentially
private mechanisms to perturb word embeddings, thus replacing individual words
in a sentence. While these methods represent very important contributions, have
various advantages over other techniques and do show anonymization
capabilities, they have several shortcomings. In this paper, we investigate
these weaknesses and demonstrate significant mathematical constraints
diminishing …

arxiv differential privacy privacy

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