Search Results for author: Zhiyi Li

Found 14 papers, 4 papers with code

Orb: A Fast, Scalable Neural Network Potential

1 code implementation29 Oct 2024 Mark Neumann, James Gin, Benjamin Rhodes, Steven Bennett, Zhiyi Li, Hitarth Choubisa, Arthur Hussey, Jonathan Godwin

We introduce Orb, a family of universal interatomic potentials for atomistic modelling of materials.

Comparative Analysis of Extrinsic Factors for NER in French

no code implementations16 Oct 2024 Grace Yang, Zhiyi Li, Yadong Liu, Jungyeul Park

Named entity recognition (NER) is a crucial task that aims to identify structured information, which is often replete with complex, technical terms and a high degree of variability.

Data Augmentation named-entity-recognition +2

Statistical Properties of Robust Satisficing

no code implementations30 May 2024 Zhiyi Li, Yunbei Xu, Ruohan Zhan

The Robust Satisficing (RS) model is an emerging approach to robust optimization, offering streamlined procedures and robust generalization across various applications.

Ensuring Disturbance Rejection Performance by Synthesizing Grid-Following and Grid-Forming Inverters in Power Systems

no code implementations25 Mar 2024 Fuyilong Ma, Huanhai Xin, Zhiyi Li, Linbin Huang

To satisfy dynamic requirements of power systems, it is imperative for grid-tied inverters to ensure good disturbance rejection performance (DRP) under variable grid conditions.

Feynman Diagrams as Computational Graphs

no code implementations28 Feb 2024 Pengcheng Hou, Tao Wang, Daniel Cerkoney, Xiansheng Cai, Zhiyi Li, Youjin Deng, Lei Wang, Kun Chen

We propose a computational graph representation of high-order Feynman diagrams in Quantum Field Theory (QFT), applicable to any combination of spatial, temporal, momentum, and frequency domains.

Characterizing the Role of Complex Power in Small-Signal Synchronization Stability of Multi-Converter Power Systems

no code implementations29 Dec 2023 Fuyilong Ma, Huanhai Xin, Zhiyi Li, Linbin Huang

In this paper, we focus on the impact regularity of complex power on the small-signal synchronization stability of the MCPS.

Obj-NeRF: Extract Object NeRFs from Multi-view Images

no code implementations26 Nov 2023 Zhiyi Li, Lihe Ding, Tianfan Xue

To solve this problem, in this paper, we propose Obj-NeRF, a comprehensive pipeline that recovers the 3D geometry of a specific object from multi-view images using a single prompt.

3D geometry 3D Reconstruction +4

Enhancing Energy Efficiency for Reconfigurable Intelligent Surfaces with Practical Power Models

no code implementations24 Oct 2023 Zhiyi Li, Jida Zhang, Jieao Zhu, Shi Jin, Linglong Dai

To address this issue, in this paper, we first utilize a practical power model for a RIS-assisted multi-user multiple-input single-output (MU-MISO) communication system, which takes into account the difference in power dissipation caused by ON-OFF states of RIS's PIN diodes.

Extrinsic Factors Affecting the Accuracy of Biomedical NER

no code implementations29 May 2023 Zhiyi Li, Shengjie Zhang, Yujie Song, Jungyeul Park

Biomedical named entity recognition (NER) is a critial task that aims to identify structured information in clinical text, which is often replete with complex, technical terms and a high degree of variability.

Data Augmentation named-entity-recognition +2

GPS++: An Optimised Hybrid MPNN/Transformer for Molecular Property Prediction

1 code implementation18 Nov 2022 Dominic Masters, Josef Dean, Kerstin Klaser, Zhiyi Li, Sam Maddrell-Mander, Adam Sanders, Hatem Helal, Deniz Beker, Ladislav Rampášek, Dominique Beaini

This technical report presents GPS++, the first-place solution to the Open Graph Benchmark Large-Scale Challenge (OGB-LSC 2022) for the PCQM4Mv2 molecular property prediction task.

Denoising Molecular Property Prediction +1

Privacy-Preserving Collaborative Operation of Networked Microgrids with the Local Utility Grid Based on Enhanced Benders Decomposition

no code implementations 期刊 2019 Zhiyi Li

Abstract—In this paper, a privacy-preserving decision-making the framework is developed for a collaborative operation of networked microgrids and the local utility grid, where the distribution system operator (DSO) interacts with microgrid master controllers (MCs) in a leader-followers fashion.

Decision Making Privacy Preserving +1

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