… PrivKV that partially retains the key-value correlation to improve the accuracy of statistics while
still achieving local differential privacy… that execute PrivKV in multiple iterations. Since the …

… for key-value data collection and analysis under the strong model of local differential privacy.
… • We propose a new estimator for frequency and mean under the framework of PrivKV. • We …

… for key-value data collection, this paper presents a novel framework: the KeyStrategy
Framework for Key-Value Data Collection … Thus, we have excluded the PrivKV series from our …

… collect key-value data called PrivKV, PrivKVM, and PrivKVM+. PrivKVM iteratively estimates
the mean to guarantee unbiasedness. PrivKV … estimation under the PrivKV to achieve better …

… These usage data are commonly in the form of key-value pairs … However, such key-value
data contain sensitive information … of privacy-preserving key-value data collection under LDP. …

… We compare MLPKV with baseline methods such as PrivKV and PCKV. Experimental …
focuses on the implementation of the differential privacy data collection system. The purpose of the …

… Considering the shortcomings of existing mechanisms, we design a key-value data collection
mechanism called LHKV based on local hashing. Our mechanism can maintain high utility …

… Data collection under local differential privacy (LDP) has been mostly studied for homogeneous
data… and mean under the framework of PrivKV and several mechanisms to accomplish …

… optimized key-value data collection (OKV), with local differential privacy… Privkv: Key-value
data collection with local differential privacy,” in 2019 IEEE Symposium on Security and Privacy …

… Local Differential Privacy (LDP) protocols enable an untrusted server to perform privacy-preserving,
federated data … types of data such as categorical data, numerical data, and key-value …