Zhiwei Qin

DiDi Research America

Research Manager

450 National Ave

Mountain View, CA 94043

United States

affiliation not provided to SSRN

SCHOLARLY PAPERS

2

DOWNLOADS

246

SSRN CITATIONS

1

CROSSREF CITATIONS

3

Scholarly Papers (2)

1.

On the Performance of Tailored Base-Surge Policies: Theory and Application at Walmart.Com

Number of pages: 39 Posted: 20 Dec 2017
University of Chicago - Booth School of Business, NUS Business School, National University of Singapore, @WalmartLabs, @WalmartLabs, KPMG and DiDi Research Americaaffiliation not provided to SSRN
Downloads 188 (175,619)
Citation 2

Abstract:

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Dual-Sourcing, Inventory, Tailored Base-Surge, Lead Time, Random Capacity, Walmart, eCommerce

2.

Joint Variable Selection for Data Envelopment Analysis via Group Sparsity

Number of pages: 28 Posted: 10 Mar 2014
Zhiwei Qin and Irene Song
DiDi Research Americaaffiliation not provided to SSRN and Columbia University - Department of Industrial Engineering and Operations Research (IEOR)
Downloads 58 (394,083)
Citation 2

Abstract:

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Data envelopment analysis (DEA), Group Lasso, Lasso, Group variable selection, Alternating direction method of multipliers (ADMM)