Zekun Xu bio photo

Zekun Xu

Applied Scientist at Amazon

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Publications

Overview

Methodology

  • Zekun Xu, Abhinav Aggarwal, Oluwaseyi Feyisetan, Nathanael Teissier. On a Utilitarian Approach to Privacy Preserving Text Generation. In Proceedings of the Third Workshop on Privacy in Natural Language Processing, NAACL, 2021.

  • Zekun Xu, Eric B. Laber, Ana-Maria Staicu, B. Duncan X. Lascelles. Novel approach to modeling high-frequency activity data to assess therapeutic effects of analgesics in chronic pain conditions. Scientific reports 11, no. 1 (2021): 1-9.

  • Zekun Xu, and Ye Liu. A Regularized Vector Autoregressive Hidden Semi-Markov Model, With Application to Multivariate Financial Data”. The International FLAIRS Conference Proceedings, Vol. 34, Apr. 2021, doi:10.32473/flairs.v34i1.128424.

  • Abhinav Aggarwal, Shiva Kasiviswanathan, Zekun Xu, Oluwaseyi Feyisetan, and Nathanael Teissier. Label inference attacks from log-loss scores. International Conference on Machine Learning, ICML, 2021

  • Nan Xu, Oluwaseyi Feyisetan, Abhinav Aggarwal, Zekun Xu, Nathanael Teissier. Differentially Private Adversarial Robustness Through Randomized Perturbations. The International FLAIRS Conference Proceedings, Vol. 34, Apr. 2021.

  • Zekun Xu, Abhinav Aggarwal, Oluwaseyi Feyisetan, Nathanael Teissier. A Differentially Private Text Perturbation Method Using a Regularized Mahalanobis Metric. In Proceedings of the Second Workshop on Privacy in NLP (pp. 7-17), EMNLP 2020.

  • Abhinav Aggarwal, Zekun Xu, Oluwaseyi Feyisetan, Nathanael Teissier. On Log-Loss Scores and (No) Privacy. In Proceedings of the Second Workshop on Privacy in NLP (pp. 1-6), EMNLP 2020.

  • Zekun Xu, Eric B. Laber, Ana-Maria Staicu. Hierarchical Continuous Time Hidden Markov Model, with Application in Zero-Inflated Accelerometer Data. Invited book chapter in Statistical Modeling for Biomedical Research, Springer, 2019.

  • Zekun Xu, Deovrat Kakde, Arin Chaudhuri. Automatic Hyperparameter Tuning Method for Local Outlier Factor, with Applications to Anomaly Detection. 2019 IEEE International Conference on Big Data (Big Data), pp. 4201-4207.

Application

  • Robert Zura, Zekun Xu, Gregory J. Della Rocca, Samir Mehta, R. Grant Steen. When is a fracture not fresh? Aligning reimbursement with patient outcome after treatment with low-intensity-pulsed ultrasound. J Orthopaedic Trauma (2017).

  • Peter Nolte, Robert Anderson, Elton Strauss, Zhe Wang, Liuyi Hu, Zekun Xu, R. Grant Steen. Heal rate of metatarsal fractures: A propensity-matching study of patients treated with low-intensity pulsed ultrasound (LIPUS) vs. surgical and other treatments. Injury. 2016 Nov; 47(11): 2584-2590.

  • Ilfeld BM, Madison SJ, Suresh PJ, Sandhu NS, Kormylo NJ, Malhotra N, Loland VJ, Wallace MS, Mascha EJ, Zekun Xu, Wen CH, Morgan AC, Wallace AM. Persistent post-mastectomy pain and pain-related physical / emotional functioning with and without a continuous paravertebral nerve block: A prospective 1-year follow-up of a randomized, triple-masked, placebo-controlled study. Ann Surg Oncol. 2015; 22: 2017-25

  • Madison SJ, Monahan AM, Agarwal RR, Furnish TJ, Mascha EJ, Zekun Xu, Donohue MC, Morgan AC, Ilfeld BM. A randomized, triple-masked, active-controlled investigation of the relative effects of dose, concentration, and infusion rate for continuous popliteal-sciatic nerve blocks in volunteers. Br J Anaesth. 2015; 114: 121-9.

  • Guangyou Zhou and Zekun Xu. An Empirical Study on the Impact of Electronic Money on Inflation. The Theory and Practice of Finance and Economics. Vol. 174, 2011(6): pp.14-19.