Search Results for author: Lewen Wang

Found 4 papers, 3 papers with code

BPQP: A Differentiable Convex Optimization Framework for Efficient End-to-End Learning

no code implementations28 Nov 2024 Jianming Pan, Zeqi Ye, Xiao Yang, Xu Yang, Weiqing Liu, Lewen Wang, Jiang Bian

This reformulation enables the use of first-order optimization algorithms in calculating the backward pass gradients, allowing our framework to potentially utilize any state-of-the-art solver.

MarS: a Financial Market Simulation Engine Powered by Generative Foundation Model

1 code implementation4 Sep 2024 Junjie Li, Yang Liu, Weiqing Liu, Shikai Fang, Lewen Wang, Chang Xu, Jiang Bian

Generative models aim to simulate realistic effects of various actions across different contexts, from text generation to visual effects.

Language Modeling Language Modelling +1

HIST: A Graph-based Framework for Stock Trend Forecasting via Mining Concept-Oriented Shared Information

2 code implementations26 Oct 2021 Wentao Xu, Weiqing Liu, Lewen Wang, Yingce Xia, Jiang Bian, Jian Yin, Tie-Yan Liu

To overcome the shortcomings of previous work, we proposed a novel stock trend forecasting framework that can adequately mine the concept-oriented shared information from predefined concepts and hidden concepts.

Temporally Correlated Task Scheduling for Sequence Learning

2 code implementations10 Jul 2020 Xueqing Wu, Lewen Wang, Yingce Xia, Weiqing Liu, Lijun Wu, Shufang Xie, Tao Qin, Tie-Yan Liu

In many applications, a sequence learning task is usually associated with multiple temporally correlated auxiliary tasks, which are different in terms of how much input information to use or which future step to predict.

Machine Translation Scheduling +1

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