Research

Working Papers

Learning Across Bandits in High Dimension via Robust Statistics
K. Xu and H. Bastani

Unmasking Human Trafficking Risk in Commercial Sex Supply Chains with Machine Learning
P. Ramchandani, H. Bastani and E. Wyatt
(collaboration with TellFinder Alliance & Uncharted Software)
Winner, Service Science Best Student Paper Award (Ramchandani, 2021) and People's Choice Award, Early-Career Sustainable OM Workshop (2022)
Second Place, POMS Sustainable OM Student Paper Award (Ramchandani, 2022) and Finalist, Public Sector in OR Best Paper Award (2021)

Improving Human Decision-Making with Machine Learning
H. Bastani, O. Bastani and P. Sinchaisri
Winner, Behavioral OM Best Working Paper Award (2021)
Second Place, TIMES Working Paper Award (2021) and POMS Behavioral OM Student Paper Award (Sinchaisri, 2021)

Group-Sparse Matrix Factorization for Transfer Learning of Word Embeddings
K. Xu, X. Zhao, H. Bastani and O. Bastani
Preliminary version in ICML (2021)

Responsible Sourcing: The First Step is the Hardest
P. Ramchandani, H. Bastani and K. Moon
People's Choice Award, Early-Career Sustainable OM Workshop (2020)

Safely Bridging Offline and Online Reinforcement Learning
W. Xu, Y. Ma, K. Xu, H. Bastani and O. Bastani

Are Bans Effective under Limited Monitoring? Evidence from High Seas Management
H. Bastani and J. F. de Zegher
People's Choice Award, Early-Career Sustainable OM Workshop (2019)

Robust Generalization of Quadratic Neural Networks via Function Identification
K. Xu, H. Bastani and O. Bastani

Published Papers

Efficient and Targeted COVID-19 Border Testing via Reinforcement Learning
H. Bastani*, K. Drakopoulos*, V. Gupta*, J. Vlachogiannis, C. Hadjicristodoulou, P. Lagiou, G. Magiorkinis, D. Paraskevis and S. Tsiodras
(* denotes equal contribution)
Nature 599 (7883), 108-113 (2021) [Editorial], [Algorithm Overview], [Code], and [Data]
Winner, Pierskalla Award for Best Paper in Healthcare (2021)
Second Place, Public Sector in OR Best Paper Award (2021)

Interpretable Operations Research for High-Stakes Decisions: Designing the Greek COVID-19 Testing System
H. Bastani*, K. Drakopoulos*, V. Gupta*, J. Vlachogiannis, C. Hadjicristodoulou, P. Lagiou, G. Magiorkinis, D. Paraskevis and S. Tsiodras
(* denotes equal contribution)
INFORMS Journal on Applied Analytics (Forthcoming)
Winner, Wagner Prize for Excellence in Operations Research Practice (2021)

Adaptive Clinical Trial Designs with Surrogates: When Should We Bother?
A. Anderer, H. Bastani and J. Silberholz
Management Science 68 (3), 1982-2002 (2022) [Data & Code]
Winner, Pierskalla Award for Best Paper in Healthcare (2019) and MSOM Student Paper Competition (Anderer, 2020)
Finalist, Public Sector in OR Best Paper Award (2020)

Meta Dynamic Pricing: Transfer Learning Across Experiments
H. Bastani, D. Simchi-Levi and R. Zhu
Management Science, 68 (3), 1865-1881 (2022)

Artificial Intelligence for Climate Change Adaptation
S-M. Cheong, K. Sankaran and H. Bastani
WIREs Data Mining & Knowledge Discovery Perspectives (2022)

Predicting with Proxies: Transfer Learning in High Dimension
H. Bastani
Management Science, 67 (5), 2964-2984 (2021)

Learning Personalized Product Recommendations with Customer Disengagement
H. Bastani, P. Harsha, G. Perakis and D. Singhvi
M&SOM (Articles in Advance)
Second Place, Service Science Best Paper Award (2019)

Interpreting Predictive Models for Human-in-the-Loop Analytics
O. Bastani, C. Kim and H. Bastani
FATML Workshop (2017)
Finalist, Pierskalla Award for Best Paper in Healthcare (2018)
News coverage: New York Times, Sloan Management Review

Mostly Exploration-Free Algorithms for Contextual Bandits
H. Bastani, M. Bayati and K. Khosravi
Management Science, 67 (3), 1329-1349 (2021) [Code]

Analysis of Medicare Pay-for-Performance Contracts
H. Bastani, M. Bayati, M. Braverman, R. Gummadi, and R. Johari
EC Mechanism Design for Social Good Workshop (2017)

Online Decision-Making with High-Dimensional Covariates
H. Bastani and M. Bayati
Operations Research, 68 (1), 276-294 (2020)
Winner of Pierskalla Award for Best Paper in Healthcare (2016), George Nicholson Student Paper Competition (2016),
MSOM Student Paper Competition (2016), and IBM Service Science Best Student Paper Award (2016)

Evidence of Upcoding in Pay-for-Performance Programs
H. Bastani, J. Goh and M. Bayati
Management Science, 65 (3), 1042-1060 (2019)
Winner, Health Applications Society Best Student Paper Award (2015)
News coverage: Science Daily

Creating Optical Vortex Modes with a Single Cylinder Lens
H. Sridhar, M. Cohen and J. Noe
Proc. SPIE (2010)

Multiplex coherent anti-Stokes Raman scattering (MCARS) for chemically sensitive, label-free flow cytometry
C. Camp, S. Yegnanarayanan, A. Eftekhar, H. Sridhar and A. Adibi
Optics Express (2009)

Book Chapters

Applied Machine Learning in Operations Management
H. Bastani, D. J. Zhang and H. Zhang
Invited book chapter for Innovative Technology at the Interface of Finance & Operations (edited by V. Babich, J. Birge and G. Hilary)

Proceed with Care: Integrating Predictive Analytics with Patient Decision-Making
H. Bastani and P. Shi
Invited book chapter for Modeling for Health: Making Changes (edited by S. Suen, E. Enns and D. Scheinker)