Geo-Graph-Indistinguishability: Protecting Location Privacy for LBS over Road Networks. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (DBSec, 2019)

POSTER: Protecting Location Privacy on Road Networks. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (AsiaCCS, 2020)

POSTER: Data Collection via Local Differential Privacy with Secret Parameters. - Shun Takagi; Yang Cao 011; Masatoshi Yoshikawa (AsiaCCS, 2020)

PGLP: Customizable and Rigorous Location Privacy Through Policy Graph. - Yang Cao 011; Yonghui Xiao; Shun Takagi; Li Xiong 001; Masatoshi Yoshikawa; Yilin Shen; Jinfei Liu; Hongxia Jin; Xiaofeng Xu (ESORICS (1), 2020)

Customizable and Rigorous Location Privacy through Policy Graph. - Yang Cao 011; Yonghui Xiao; Shun Takagi; Li Xiong 001; Masatoshi Yoshikawa; Yilin Shen; Jinfei Liu; Hongxia Jin; Xiaofeng Xu (CoRR, 2020)

Differentially Private Variational Autoencoders with Term-wise Gradient Aggregation. - Tsubasa Takahashi 001; Shun Takagi; Hajime Ono; Tatsuya Komatsu (CoRR, 2020)

Geo-Graph-Indistinguishability: Location Privacy on Road Networks Based on Differential Privacy. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (CoRR, 2020)

PANDA: Policy-aware Location Privacy for Epidemic Surveillance. - Yang Cao 011; Shun Takagi; Yonghui Xiao; Li Xiong 001; Masatoshi Yoshikawa (Proc. VLDB Endow., 2020)

P3GM: Private High-Dimensional Data Release via Privacy Preserving Phased Generative Model. - Shun Takagi; Tsubasa Takahashi 001; Yang Cao 011; Masatoshi Yoshikawa (ICDE, 2021)

Asymmetric Differential Privacy. - Shun Takagi; Yang Cao 011; Masatoshi Yoshikawa (CoRR, 2021)

Asymmetric Differential Privacy. - Shun Takagi; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (IEEE Big Data, 2022)

Mitigating Privacy Vulnerability Caused by Map Asymmetry. - Ryota Hiraishi; Masatoshi Yoshikawa; Shun Takagi; Yang Cao 011; Sumio Fujita; Hidehito Gomi (DBSec, 2022)

Network Shuffling: Privacy Amplification via Random Walks. - Seng Pei Liew; Tsubasa Takahashi 001; Shun Takagi; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (SIGMOD Conference, 2022)

HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data. - Fumiyuki Kato; Tsubasa Takahashi 001; Shun Takagi; Yang Cao 011; Seng Pei Liew; Masatoshi Yoshikawa (Proc. VLDB Endow., 2022)

From Bounded to Unbounded: Privacy Amplification via Shuffling with Dummies. - Shun Takagi; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (CSF, 2023)

CSGAN: Modality-Aware Trajectory Generation via Clustering-based Sequence GAN. - Minxing Zhang; Haowen Lin; Shun Takagi; Yang Cao 011; Cyrus Shahabi; Li Xiong 001 (MDM, 2023)

Supporting Pandemic Preparedness with Privacy Enhancing Technology. - Ruixuan Liu; Sepanta Zeighami; Haowen Lin; Cyrus Shahabi; Yang Cao 011; Shun Takagi; Yoko Konishi; Masatoshi Yoshikawa; Li Xiong 001 (TPS-ISA, 2023)

Geo-Graph-Indistinguishability: Location Privacy on Road Networks with Differential Privacy. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2023)

Time-series Stay Frequency for Multi-City Next Location Prediction using Multiple BERTs. - Haru Terashima; Shun Takagi; Naoki Tamura; Kazuyuki Shoji; Tahera Hossain; Shin Katayama; Kenta Urano; Takuro Yonezawa; Nobuo Kawaguchi (HuMob-Challenge@SIGSPATIAL, 2024)

Uldp-FL: Federated Learning with Across Silo User-Level Differential Privacy. - Fumiyuki Kato; Li Xiong 001; Shun Takagi; Yang Cao 011; Masatoshi Yoshikawa (Proc. VLDB Endow., 2024)

HRNet: Differentially Private Hierarchical and Multi-Resolution Network for Human Mobility Data Synthesization. - Shun Takagi; Li Xiong 001; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (Proc. VLDB Endow., 2024)