Jiaxin Ding

PhD Candidate in Computer Science

Stony Brook University

Biography

Hi, I’m Jiaxin Ding. I am currently a PhD candidate in Computer Science, Stony Brook University, under the advisory of Prof. Jie Gao.
I’m working on spatio-temporal data mining and privacy protection. I am particularly interested in leveraging geometric and probabilistic algorithms on efficient representation and effective mining of trajectory data, while protecting users’ privacy.
I come from China, my Chinese name is 丁家昕.
Detailed information can be found in my CV .

Interests

Spatio-temporal Data Mining
Data Privacy Protection
Transportation System

Education

PhD Candidate in Computer Science, 2012-present

Stony Brook University
B.S. in Computer Science, 2008-2012

Peking University
B.A. in Economics(double major), 2009-2012

Peking University

Selected Publications

Are Friends of My Friends Too Social? Limitations of Location Privacy in a Socially-Connected World

In this paper we formulate the problem of inferring locations of mobile agents, present theoretically-proven bounds on the amount of information that could be leaked in this manner, study their geometric nature, and present algorithms matching these bounds.

Boris Aronov, Alon Efrat, Ming Li, Jie Gao, Joseph S.B. Mitchell, Valentin Polishchuk, Boyang Wang, Hanyu Quan, Jiaxin Ding

In MobiHoc 2018

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Fighting Statistical Re-Identification in Human Trajectory Publication

In this work, we employ a ``mix-and-match'' approach to collect shorter trajectories, with which local geometric features of trajectories are preserved, while the re-identification of a user via frequent locations, co-locations and spatial-temporal points are not possible with high probability.

Jiaxin Ding, Chien-Chun Ni, Jie Gao

In SIGSPATIAL 2017

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MinHash Hierarchy for Privacy Preserving Trajectory Sensing and Query

In this work, we employ the minhash signatures to store the trajectories with differential privacy guarantee and build a distributed data structure, MinHash hiearchy, to answer queries regarding popular paths efficiently.

Jiaxin Ding, Chien-Chun Ni, Mengyu Zhou, Jie Gao

In IPSN 2017

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Recent Publications

Are Friends of My Friends Too Social? Limitations of Location Privacy in a Socially-Connected World
Details PDF
Fighting Statistical Re-Identification in Human Trajectory Publication
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Competitive Analysis for Online Scheduling in Software-Defined Optical WAN
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MinHash Hierarchy for Privacy Preserving Trajectory Sensing and Query
Details PDF
Decentralized Path Homotopy Detection and Classification Using Hodge Decomposition in Sensor Networks
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Understanding and Modelling Information Dissemination Patterns in Vehicle-to-Vehicle Networks
Details PDF

Contact

jiading_at_cs.stonybrook.edu