Search Results for author: Lulu Zhang

Found 5 papers, 1 papers with code

Crises Do Not Cause Lower Short-Term Growth

1 code implementation8 Nov 2022 Kaiwen Hou, David Hou, Yang Ouyang, Lulu Zhang, Aster Liu

It is commonly believed that financial crises "lead to" lower growth of a country during the two-year recession period, which can be reflected by their post-crisis GDP growth.

Data-informed Deep Optimization

no code implementations17 Jul 2021 Lulu Zhang, Zhi-Qin John Xu, Yaoyu Zhang

Complex design problems are common in the scientific and industrial fields.

MOD-Net: A Machine Learning Approach via Model-Operator-Data Network for Solving PDEs

no code implementations8 Jul 2021 Lulu Zhang, Tao Luo, Yaoyu Zhang, Weinan E, Zhi-Qin John Xu, Zheng Ma

In this paper, we propose a a machine learning approach via model-operator-data network (MOD-Net) for solving PDEs.

Predicting Individual Treatment Effects of Large-scale Team Competitions in a Ride-sharing Economy

no code implementations7 Aug 2020 Teng Ye, Wei Ai, Lingyu Zhang, Ning Luo, Lulu Zhang, Jieping Ye, Qiaozhu Mei

Through interpreting the best-performing models, we discover many novel and actionable insights regarding how to optimize the design and the execution of team competitions on ride-sharing platforms.

CGT: Clustered Graph Transformer for Urban Spatio-temporal Prediction

no code implementations25 Sep 2019 Xu Geng, Lingyu Zhang, Shulin Li, Yuanbo Zhang, Lulu Zhang, Leye Wang, Qiang Yang, Hongtu Zhu, Jieping Ye

Deep learning based approaches have been widely used in various urban spatio-temporal forecasting problems, but most of them fail to account for the unsmoothness issue of urban data in their architecture design, which significantly deteriorates their prediction performance.

Graph Attention Spatio-Temporal Forecasting +2

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