Search Results for author: Jie Bao

Found 19 papers, 6 papers with code

LLM-Oriented Retrieval Tuner

no code implementations4 Mar 2024 Si Sun, Hanqing Zhang, Zhiyuan Liu, Jie Bao, Dawei Song

Dense Retrieval (DR) is now considered as a promising tool to enhance the memorization capacity of Large Language Models (LLM) such as GPT3 and GPT-4 by incorporating external memories.

Memorization Retrieval +1

Rethinking Dense Retrieval's Few-Shot Ability

1 code implementation12 Apr 2023 Si Sun, Yida Lu, Shi Yu, Xiangyang Li, Zhonghua Li, Zhao Cao, Zhiyuan Liu, Deiming Ye, Jie Bao

Moreover, the dataset is disjointed into base and novel classes, allowing DR models to be continuously trained on ample data from base classes and a few samples in novel classes.

Retrieval

Scientific Computing Algorithms to Learn Enhanced Scalable Surrogates for Mesh Physics

2 code implementations1 Apr 2023 Brian R. Bartoldson, Yeping Hu, Amar Saini, Jose Cadena, Yucheng Fu, Jie Bao, Zhijie Xu, Brenda Ng, Phan Nguyen

With this, we were able to train MGN on meshes with \textit{millions} of nodes to generate computational fluid dynamics (CFD) simulations.

Numerical Integration

Reduce Catastrophic Forgetting of Dense Retrieval Training with Teleportation Negatives

1 code implementation31 Oct 2022 Si Sun, Chenyan Xiong, Yue Yu, Arnold Overwijk, Zhiyuan Liu, Jie Bao

In this paper, we investigate the instability in the standard dense retrieval training, which iterates between model training and hard negative selection using the being-trained model.

Retrieval

A Contraction-constrained Model Predictive Control for Nonlinear Processes using Disturbance Forecasts

no code implementations9 May 2022 Ryan Mccloy, Lai Wei, Jie Bao

Model predictive control (MPC) has become the most widely used advanced control method in process industry.

Model Predictive Control

A Contraction-constrained Model Predictive Control for Multi-timescale Nonlinear Processes

no code implementations9 May 2022 Ryan Mccloy, Lai Wei, Jie Bao

Many chemical processes exhibit diverse timescale dynamics with a strong coupling between timescale sensitive variables.

Model Predictive Control

Adaptive Contraction-based Control of Uncertain Nonlinear Processes using Neural Networks

no code implementations30 Jan 2022 Lai Wei, Ryan Mccloy, Jie Bao

This neural network is then embedded in an adaptive contraction-based control law which is updated by parameter estimates online.

Chemical Process

Electrolyte Flow Rate Control for Vanadium Redox Flow Batteries using the Linear Parameter Varying Framework

no code implementations30 Jan 2022 Ryan Mccloy, Yifeng Li, Jie Bao, Maria Skyllas-Kazacos

In this article, an electrolyte flow rate control approach is developed for an all-vanadium redox flow battery (VRB) system based on the linear parameter varying (LPV) framework.

Latent Space Simulation for Carbon Capture Design Optimization

1 code implementation22 Dec 2021 Brian Bartoldson, Rui Wang, Yucheng Fu, David Widemann, Sam Nguyen, Jie Bao, Zhijie Xu, Brenda Ng

This raises the possibility of a fast, accurate replacement for a CFD simulator and therefore efficient approximation of the IAs required by CCS design optimization.

Contraction Analysis and Control Synthesis for Discrete-time Nonlinear Processes

no code implementations9 Dec 2021 Lai Wei, Ryan Mccloy, Jie Bao

Shifting away from the traditional mass production approach, the process industry is moving towards more agile, cost-effective and dynamic process operation (next-generation smart plants).

Crowd-sensing Enhanced Parking Patrol using Trajectories of Sharing Bikes

no code implementations29 Oct 2021 Tianfu He, Jie Bao, Yexin Li, Hui He, Yu Zheng

Illegal vehicle parking is a common urban problem faced by major cities in the world, as it incurs traffic jams, which lead to air pollution and traffic accidents.

Multi-agent Reinforcement Learning Scheduling

Discrete-time Contraction-based Control of Nonlinear Systems with Parametric Uncertainties using Neural Networks

no code implementations12 May 2021 Lai Wei, Ryan Mccloy, Jie Bao

In this paper, a contraction theory-based control approach using neural networks is developed for nonlinear chemical processes to achieve time-varying reference tracking.

Control Contraction Metric Synthesis for Discrete-time Nonlinear Systems

no code implementations21 Apr 2021 Lai Wei, Ryan Mccloy, Jie Bao

Flexible manufacturing has been the trend in the area of the modern chemical process nowadays.

Chemical Process

$\rm ^{83}Rb$/$\rm ^{83m}Kr$ production and cross-section measurement with 3.4 MeV and 20 MeV proton beams

no code implementations4 Feb 2021 Dan Zhang, Jingkai Xia, YiFan Li, Jingtao You, Yao Li, Changbo Fu, Jianglai Liu, Ning Zhou, Jie Bao, Huan Jia, Chenzhang Yuan, Yuan He, Weixing Xiong, Mengyun Guan

$\rm ^{83m}Kr$, with a short lifetime, is an ideal calibration source for liquid xenon or liquid argon detectors.

Nuclear Experiment Instrumentation and Detectors

Few-Shot Text Ranking with Meta Adapted Synthetic Weak Supervision

1 code implementation ACL 2021 Si Sun, Yingzhuo Qian, Zhenghao Liu, Chenyan Xiong, Kaitao Zhang, Jie Bao, Zhiyuan Liu, Paul Bennett

To democratize the benefits of Neu-IR, this paper presents MetaAdaptRank, a domain adaptive learning method that generalizes Neu-IR models from label-rich source domains to few-shot target domains.

Information Retrieval Learning-To-Rank +1

Capturing Global Informativeness in Open Domain Keyphrase Extraction

2 code implementations28 Apr 2020 Si Sun, Zhenghao Liu, Chenyan Xiong, Zhiyuan Liu, Jie Bao

Open-domain KeyPhrase Extraction (KPE) aims to extract keyphrases from documents without domain or quality restrictions, e. g., web pages with variant domains and qualities.

Chunking Informativeness +1

Reward Advancement: Transforming Policy under Maximum Causal Entropy Principle

no code implementations11 Jul 2019 Guojun Wu, Yanhua Li, Zhenming Liu, Jie Bao, Yu Zheng, Jieping Ye, Jun Luo

In this paper, we define and investigate a general reward trans-formation problem (namely, reward advancement): Recovering the range of additional reward functions that transform the agent's policy from original policy to a predefined target policy under MCE principle.

Decision Making

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