1 code implementation • 30 Dec 2024 • Lecheng Zheng, Baoyu Jing, Zihao Li, Zhichen Zeng, Tianxin Wei, Mengting Ai, Xinrui He, Lihui Liu, Dongqi Fu, Jiaxuan You, Hanghang Tong, Jingrui He
Graph Self-Supervised Learning (SSL) has emerged as a pivotal area of research in recent years.
no code implementations • 23 Dec 2024 • Zihao Li, Dongqi Fu, Mengting Ai, Jingrui He
Furthermore, when the size constraint of PKG is extremely small, the existing methods cannot distinguish which facts are more of immediate interest and guarantee the utility of the summarized PKG.
no code implementations • 11 Dec 2024 • Zihao Li, Lecheng Zheng, Bowen Jin, Dongqi Fu, Baoyu Jing, Yikun Ban, Jingrui He, Jiawei Han
In this work, to address these issues, we leverage multi-modal prompt learning to effectively adapt pre-trained GNN to downstream tasks and data, given only a few semantically labeled samples, each with extremely weak text supervision.
no code implementations • 4 Dec 2024 • Zihao Li, Dongqi Fu, Hengyu Liu, Jingrui He
Specifically, leveraging PageRank, we propose two algorithms: GeneralACL for graphs and HyperACL for hypergraphs.
no code implementations • 20 Nov 2024 • Hao Zhang, Sixu Li, Zihao Li, Mohammad Anis, Dominique Lord, Yang Zhou
The theoretical analysis demonstrates that the vehicle state evolution and the corresponding safety of ACC in cut-in situations are influenced by multiple factors, including the original leading vehicle's state, the initial conditions of the cut-in vehicle, subsequent cut-in maneuvers, sensing delays, and the ACC's anticipation capabilities.
no code implementations • 16 Nov 2024 • Zihao Li, Yuan Cao, Cheng Gao, Yihan He, Han Liu, Jason M. Klusowski, Jianqing Fan, Mengdi Wang
Transformers have achieved great success in recent years.
1 code implementation • 11 Nov 2024 • Zhidong Ling, Zihao Li, Pablo Romero, Lifeng Han, Goran Nenadic
This report contains two sections corresponding to the two sub-tasks in PLABA 2024.
1 code implementation • 3 Nov 2024 • Yikun Ban, Jiaru Zou, Zihao Li, Yunzhe Qi, Dongqi Fu, Jian Kang, Hanghang Tong, Jingrui He
Link prediction is a critical problem in graph learning with broad applications such as recommender systems and knowledge graph completion.
no code implementations • 31 Oct 2024 • Cheng Gao, Yuan Cao, Zihao Li, Yihan He, Mengdi Wang, Han Liu, Jason Matthew Klusowski, Jianqing Fan
First, we construct the mean-field limit of large-scale Transformers, showing that as the model width and depth go to infinity, gradient flow converges to the Wasserstein gradient flow, which is represented by a partial differential equation.
no code implementations • 23 Oct 2024 • Zihao Li, Dongqi Fu, Hengyu Liu, Jingrui He
Then, we prove that the normalized hypergraph Laplacian is associated with the NCut value, which inspires our HyperClus-G algorithm for spectral clustering on EDVW hypergraphs.
1 code implementation • 23 Oct 2024 • Xinwen Zhu, Zihao Li, YuXuan Jiang, Jiazhen Xu, Jie Wang, Xuyang Bai
The autonomous driving industry is rapidly advancing, with Vehicle-to-Vehicle (V2V) communication systems highlighting as a key component of enhanced road safety and traffic efficiency.
no code implementations • 16 Oct 2024 • Dongqi Fu, Liri Fang, Zihao Li, Hanghang Tong, Vetle I. Torvik, Jingrui He
Graphs have been widely used in the past decades of big data and AI to model comprehensive relational data.
1 code implementation • 26 Sep 2024 • Shaoxiong Ji, Zihao Li, Indraneil Paul, Jaakko Paavola, Peiqin Lin, Pinzhen Chen, Dayyán O'Brien, Hengyu Luo, Hinrich Schütze, Jörg Tiedemann, Barry Haddow
In this work, we introduce EMMA-500, a large-scale multilingual language model continue-trained on texts across 546 languages designed for enhanced multilingual performance, focusing on improving language coverage for low-resource languages.
no code implementations • 27 Aug 2024 • Zihao Li, Chao Yang, Yakun Chen, Xianzhi Wang, Hongxu Chen, Guandong Xu, Lina Yao, Quan Z. Sheng
Recent years have witnessed the remarkable success of recommendation systems (RSs) in alleviating the information overload problem.
1 code implementation • 7 Aug 2024 • Zihao Li, Samuel Belkadi, Nicolo Micheletti, Lifeng Han, Matthew Shardlow, Goran Nenadic
In the official human evaluation, our model BART-w-CTs ranks 2nd on Sentence-Simplicity (score 92. 84), 3rd on Term-Simplicity (score 82. 33) among all 7 evaluated systems; It also produced a high score 91. 57 on Fluency in comparison to the highest score 93. 53.
no code implementations • 22 Jul 2024 • Boyan Xu, Liang Wen, Zihao Li, Yuxing Yang, Guanlan Wu, Xiongpeng Tang, Yu Li, Zihao Wu, Qingxian Su, Xueqing Shi, Yue Yang, Rui Tong, How Yong Ng
Overall, this study pioneered evaluating LLMs in water engineering and research by introducing the WaterER benchmark to assess the trustworthiness of their predictions.
1 code implementation • 22 Jul 2024 • Zihao Li, Shaoxiong Ji, Timothee Mickus, Vincent Segonne, Jörg Tiedemann
We ensure that training data and model architectures are comparable, and discuss the downstream performances across 6 languages that we observe in probing and fine-tuning scenarios.
no code implementations • 14 Jul 2024 • Weiwei Yi, Zihao Li
This research critically discusses the current barriers to effective dark pattern regulations and explores promising regulatory solutions.
no code implementations • 12 Jul 2024 • Zihao Li, Pan Gao, Kang You, Chuan Yan, Manoranjan Paul
In this paper, we propose a Global Attention-guided Dual-domain Feature Learning network (GAD) to address the above-mentioned issues.
no code implementations • 3 Jul 2024 • Yipin Guo, Zihao Li, Yilin Lang, Qinyuan Ren
Remarkably, it secures up to a 4. 95% increase in accuracy on the CIFAR100 compared to its directly trained counterparts, even surpassing the performance of multiplicative NNs.
no code implementations • 2 Jul 2024 • Chaoran Zhang, Lixin Zou, Dan Luo, Min Tang, Xiangyang Luo, Zihao Li, Chenliang Li
In recent years, Large Language Models (LLMs) have demonstrated remarkable capabilities across a wide array of text-centric tasks.
no code implementations • 31 May 2024 • Yukai Zhang, Ao Xu, Zihao Li, Tieru Wu
By employing information fusion techniques, our method maximizes the use of data to address feature counterfactual explanations in the feature space.
1 code implementation • 29 Apr 2024 • Zihao Li, Yuyi Ao, Jingrui He
We show that the set retrieval highly depends on expressive modeling of many-to-many relations, and propose a new KG embedding model SpherE to address this problem.
1 code implementation • 17 Apr 2024 • Zihao Li, Yucheng Shi, Zirui Liu, Fan Yang, Ali Payani, Ninghao Liu, Mengnan Du
Besides, the experiments show that there is a strong correlation between the LLM's performance in different languages and the proportion of those languages in its pre-training corpus.
no code implementations • 8 Apr 2024 • Jingxin Wang, Renxiang Guan, Kainan Gao, Zihao Li, Hao Li, Xianju Li, Chang Tang
Multi-level graph subspace contrastive learning: multi-level contrastive learning was conducted to obtain local-global joint graph representations, to improve the consistency of the positive samples between views, and to obtain more robust graph embeddings.
no code implementations • 1 Apr 2024 • Renxiang Guan, Zihao Li, Chujia Song, Guo Yu, Xianju Li, Ruyi Feng
Specifically, we fused the spectral and spatial features extracted by the 1D- and 2D-encoder, and the 2D-encoder includes an attention model to automatically extract important information.
1 code implementation • 30 Mar 2024 • Lecheng Zheng, Baoyu Jing, Zihao Li, Hanghang Tong, Jingrui He
In the era of big data and Artificial Intelligence, an emerging paradigm is to utilize contrastive self-supervised learning to model large-scale heterogeneous data.
no code implementations • 24 Mar 2024 • Ruyi Yang, Jingyu Hu, Zihao Li, Jianli Mu, Tingzhao Yu, Jiangjiang Xia, Xuhong LI, Aritra Dasgupta, Haoyi Xiong
Advanced machine learning models have recently achieved high predictive accuracy for weather and climate prediction.
no code implementations • 20 Mar 2024 • Zihao Li, Hui Yuan, Kaixuan Huang, Chengzhuo Ni, Yinyu Ye, Minshuo Chen, Mengdi Wang
In this paper, we focus on diffusion models, a powerful generative AI technology, and investigate their potential for black-box optimization over complex structured variables.
no code implementations • 14 Mar 2024 • Chris Kelly, Luhui Hu, Bang Yang, Yu Tian, Deshun Yang, Cindy Yang, Zaoshan Huang, Zihao Li, Jiayin Hu, Yuexian Zou
With the emergence of large language models (LLMs) and vision foundation models, how to combine the intelligence and capacity of these open-sourced or API-available models to achieve open-world visual perception remains an open question.
no code implementations • 14 Mar 2024 • Chris Kelly, Luhui Hu, Jiayin Hu, Yu Tian, Deshun Yang, Bang Yang, Cindy Yang, Zihao Li, Zaoshan Huang, Yuexian Zou
It seamlessly integrates various SOTA vision models and brings the automation in the selection of SOTA vision models, identifies the suitable 3D mesh creation algorithms corresponding to 2D depth maps analysis, generates optimal results based on diverse multimodal inputs such as text prompts.
no code implementations • 10 Mar 2024 • Deshun Yang, Luhui Hu, Yu Tian, Zihao Li, Chris Kelly, Bang Yang, Cindy Yang, Yuexian Zou
Several text-to-video diffusion models have demonstrated commendable capabilities in synthesizing high-quality video content.
no code implementations • 7 Mar 2024 • Zihao Li, Hui Lan, Vasilis Syrgkanis, Mengdi Wang, Masatoshi Uehara
In this paper, we study nonparametric estimation of instrumental variable (IV) regressions.
no code implementations • 3 Mar 2024 • Yuchen Wu, Minshuo Chen, Zihao Li, Mengdi Wang, Yuting Wei
Diffusion models benefit from instillation of task-specific information into the score function to steer the sample generation towards desired properties.
no code implementations • 3 Mar 2024 • Xianju Li, Renxiang Guan, Zihao Li, Hao liu, Jing Yang
In conclusion, the proposed model can effectively improve the clustering ac-curacy of HSI.
no code implementations • 16 Feb 2024 • Zihao Li, Boyi Liu, Zhuoran Yang, Zhaoran Wang, Mengdi Wang
Designing algorithms for a constrained convex MDP faces several challenges, including (1) handling the large state space, (2) managing the exploration/exploitation tradeoff, and (3) solving the constrained optimization where the objective and the constraint are both nonlinear functions of the visitation measure.
no code implementations • 26 Jan 2024 • Zihao Li, Sixu Li, Hao Zhang, Yang Zhou, Siyang Xie, Yunlong Zhang
While perception systems in Connected and Autonomous Vehicles (CAVs), which encompass both communication technologies and advanced sensors, promise to significantly reduce human driving errors, they also expose CAVs to various cyberattacks.
1 code implementation • 26 Jan 2024 • Zihan Zhao, Da Ma, Lu Chen, Liangtai Sun, Zihao Li, Yi Xia, Bo Chen, Hongshen Xu, Zichen Zhu, Su Zhu, Shuai Fan, Guodong Shen, Kai Yu, Xin Chen
In its utmost form, such a generalist AI chemist could be referred to as Chemical General Intelligence.
no code implementations • 15 Dec 2023 • Renxiang Guan, Zihao Li, Xianju Li, Chang Tang
The pixel-level contrastive learning method can effectively improve the ability of the model to capture fine features of HSI but requires a large time overhead.
no code implementations • 11 Dec 2023 • Renxiang Guan, Zihao Li, Xianju Li, Chang Tang, Ruyi Feng
In this study, contrastive multi-view subspace clustering of HSI was proposed based on graph convolutional networks.
1 code implementation • 16 Nov 2023 • Chris Kelly, Luhui Hu, Cindy Yang, Yu Tian, Deshun Yang, Bang Yang, Zaoshan Huang, Zihao Li, Yuexian Zou
In the current landscape of artificial intelligence, foundation models serve as the bedrock for advancements in both language and vision domains.
no code implementations • 25 Oct 2023 • Wenlong Li, Zihao Li, Wenkai Li, Yueming Zhang, Aolan Li
In the realm of data protection, a striking disconnect prevails between traditional domains of doctrinal, legal, theoretical, and policy-based inquiries and a burgeoning body of empirical evidence.
no code implementations • 22 Oct 2023 • Zuoli Tang, ZhaoXin Huan, Zihao Li, Xiaolu Zhang, Jun Hu, Chilin Fu, Jun Zhou, Chenliang Li
We expect that by mixing the user's behaviors across different domains, we can exploit the common knowledge encoded in the pre-trained language model to alleviate the problems of data sparsity and cold start problems.
no code implementations • 16 Oct 2023 • Zihao Li, Xiang Ji, Minshuo Chen, Mengdi Wang
In fact, human preference data are now used with classic reinforcement learning algorithms such as actor-critic methods, which involve evaluating an intermediate policy over a reward learned from human preference data with distribution shift, known as off-policy evaluation (OPE).
1 code implementation • 22 Sep 2023 • Zihao Li, Samuel Belkadi, Nicolo Micheletti, Lifeng Han, Matthew Shardlow, Goran Nenadic
In this work, we investigate the ability of state-of-the-art large language models (LLMs) on the task of biomedical abstract simplification, using the publicly available dataset for plain language adaptation of biomedical abstracts (\textbf{PLABA}).
no code implementations • 1 Sep 2023 • Zaynab Zahra, Zihao Li, Rosa Filgueira
This paper introduces Laminar, a novel serverless framework based on dispel4py, a parallel stream-based dataflow library.
no code implementations • 24 Jul 2023 • Zihao Li, Changkun Jiang, Jianqiang Li
Then, we use GATs to dynamically extract the structural information of non-Euclidean data, and learn general features of the label dataset with contrastive learning by constructing positive and negative example samples.
1 code implementation • 12 Jul 2023 • Shengbo Gao, Ziji Zhang, Jiechao Ma, Zihao Li, Shu Zhang
Our approach is based on a mutual learning strategy that incorporates two modules: the Cross-sample Mutual Attention Module (CMA) and the Omni-Correlation Consistency Module (OCC).
no code implementations • 21 Jun 2023 • Jiacheng Guo, Zihao Li, Huazheng Wang, Mengdi Wang, Zhuoran Yang, Xuezhou Zhang
In this paper, we study representation learning in partially observable Markov Decision Processes (POMDPs), where the agent learns a decoder function that maps a series of high-dimensional raw observations to a compact representation and uses it for more efficient exploration and planning.
no code implementations • 29 May 2023 • Zihao Li, Zhuoran Yang, Mengdi Wang
In this paper, we study offline Reinforcement Learning with Human Feedback (RLHF) where we aim to learn the human's underlying reward and the MDP's optimal policy from a set of trajectories induced by human choices.
1 code implementation • 13 May 2023 • Yunsheng Ma, Liangqi Yuan, Amr Abdelraouf, Kyungtae Han, Rohit Gupta, Zihao Li, Ziran Wang
Ensuring traffic safety and preventing accidents is a critical goal in daily driving, where the advancement of computer vision technologies can be leveraged to achieve this goal.
1 code implementation • 27 Apr 2023 • Zihao Li, Pan Gao, Hui Yuan, Ran Wei, Manoranjan Paul
Discovering inter-point connection for efficient high-dimensional feature extraction from point coordinate is a key challenge in processing point cloud.
Ranked #1 on 3D Object Classification on ModelNet40
no code implementations • 21 Apr 2023 • Zihao Li
With the launch of ChatGPT, Large Language Models (LLMs) are shaking up our whole society, rapidly altering the way we think, create and live.
1 code implementation • 3 Apr 2023 • Zihao Li, Aixin Sun, Chenliang Li
Mainstream solutions to Sequential Recommendation (SR) represent items with fixed vectors.
1 code implementation • 7 Jan 2023 • Zihao Li, Pan Gao, Hui Yuan, Ran Wei
Existing point cloud learning methods aggregate features from neighbouring points relying on constructing graph in the spatial domain, which results in feature update for each point based on spatially-fixed neighbours throughout layers.
3 code implementations • 25 Nov 2022 • Zihao Li, CHUNHUA WU, Shenglin Wu, Wenbo Wan, Yuhao Wang, Qiegen Liu
To better apply the score-based generative model to learn the internal statistical distribution within patches, the large-scale Hankel matrices are finally folded into the higher dimensional tensors for prior learning.
no code implementations • 25 Nov 2022 • Karsten Kreis, Tim Dockhorn, Zihao Li, Ellen Zhong
The state-of-the-art method cryoDRGN uses a Variational Autoencoder (VAE) framework to learn a continuous distribution of protein structures from single particle cryo-EM imaging data.
no code implementations • 6 Oct 2022 • Chaolun Ma, Bruce Wang, Zihao Li, Ahmadreza Mahmoudzadeh, Yunlong Zhang
In traffic signal control, flow-based (optimizing the overall flow) and pressure-based methods (equalizing and alleviating congestion) are commonly used but often considered separately.
1 code implementation • 17 Jun 2022 • Hui Li, Zihao Li, Rui Ma, Tieru Wu
In this paper, we propose a novel CAM weighting scheme, named FD-CAM, to improve both the faithfulness and discriminability of the CAM-based CNN visual explanation.
1 code implementation • 10 Apr 2022 • Xinhang Li, Zihao Li, Nan Yang, Zheng Yuan, Qinwen Wang, Yiying Yang, Yupeng Huang, Xuri Song, Lei LI, Lin Zhang
The expansion of renewable energy could help realizing the goals of peaking carbon dioxide emissions and carbon neutralization.
no code implementations • 9 Feb 2022 • Zihao Li, Jonathan Libgober, Xiaosheng Mu
A seller sells an object over time but is uncertain how the buyer learns their willingness-to-pay.
1 code implementation • 5 Jan 2022 • Shu Zhang, Zihao Li, Hong-Yu Zhou, Jiechao Ma, Yizhou Yu
The difficulties in both data acquisition and annotation substantially restrict the sample sizes of training datasets for 3D medical imaging applications.
Ranked #1 on Medical Object Detection on DeepLesion
1 code implementation • 2 Sep 2021 • Yuhao Wang, Ruirui Liu, Zihao Li, Cailian Yang, Qiegen Liu
As an effective way to integrate the information contained in multiple medical images under different modalities, medical image synthesis and fusion have emerged in various clinical applications such as disease diagnosis and treatment planning.
no code implementations • 24 Feb 2021 • Zihao Li, Benjamin Horowitz, Zheng Cai
In this work, we propose an improved approach to reconstruct the three-dimensional intergalactic medium from observed Lyman-$\alpha$ forest absorption features.
Astrophysics of Galaxies
no code implementations • 19 Jan 2021 • Xianlin Song, Ao Teng, Jianshuang Wei, Hao Chen, Yang Zhao, Jianheng Chen, Fangwei Liu, Qianxiang Wan, Guoning Huang, Lingfang Song, Aojie Zhao, Bo Li, Zihao Li, Qiming He, Jinhong Zhang
As a non-destructive biological tissue imaging technology, photoacoustic imaging has important application value in the field of biomedicine.
Biological Physics
no code implementations • ICCV 2021 • Fanfan Liu, Haoran Wei, Wenzhe Zhao, Guozhen Li, Jingquan Peng, Zihao Li
In this paper, we propose WB-DETR (DETR-based detector Without Backbone) to prove that the reliance on CNN features extraction for a transformer-based detector is not necessary.
1 code implementation • 16 Dec 2020 • Shu Zhang, Jincheng Xu, Yu-Chun Chen, Jiechao Ma, Zihao Li, Yizhou Wang, Yizhou Yu
We demonstrate that with the novel pre-training method, the proposed MP3D FPN achieves state-of-the-art detection performance on the DeepLesion dataset (3. 48% absolute improvement in the sensitivity of FPs@0. 5), significantly surpassing the baseline method by up to 6. 06% (in MAP@0. 5) which adopts 2D convolution for 3D context modeling.
Ranked #4 on Medical Object Detection on DeepLesion
1 code implementation • 10 Sep 2019 • Zihao Li, Shu Zhang, Junge Zhang, Kaiqi Huang, Yizhou Wang, Yizhou Yu
In this paper, we propose to incorporate domain knowledge in clinical practice into the model design of universal lesion detectors.
Ranked #8 on Medical Object Detection on DeepLesion