no code implementations • AACL (NLP-TEA) 2020 • Deng Liang, Chen Zheng, Lei Guo, Xin Cui, Xiuzhang Xiong, Hengqiao Rong, Jinpeng Dong
This paper presents the UNIPUS-Flaubert team’s hybrid system for the NLPTEA 2020 shared task of Chinese Grammatical Error Diagnosis (CGED).
1 code implementation • EMNLP (ACL) 2021 • Vibhu Bhatia, Vidya Prasad Akavoor, Sejin Paik, Lei Guo, Mona Jalal, Alyssa Smith, David Assefa Tofu, Edward Edberg Halim, Yimeng Sun, Margrit Betke, Prakash Ishwar, Derry Tanti Wijaya
We propose and guide users through a five-step end-to-end computational framing analysis framework grounded in media framing theory in communication research.
1 code implementation • PoliticalNLP (LREC) 2022 • Sha Lai, Yanru Jiang, Lei Guo, Margrit Betke, Prakash Ishwar, Derry Tanti Wijaya
We discuss the effectiveness of our approach by comparing the frames it generates in an unsupervised manner to the domain-expert-derived frames for the issue of gun violence, for which a supervised learning model for frame recognition exists.
no code implementations • LREC 2022 • Carley Reardon, Sejin Paik, Ge Gao, Meet Parekh, Yanling Zhao, Lei Guo, Margrit Betke, Derry Tanti Wijaya
As such, we introduce a U. S. gun violence news dataset that contains news headline and image pairings from 840 news articles with 15K high-quality, crowdsourced annotations on emotional responses to the news pairings.
no code implementations • 8 Nov 2024 • Lantian Zhang, Lei Guo
This paper considers real-time control and learning problems for finite-dimensional linear systems under binary-valued and randomly disturbed output observations.
no code implementations • 14 Oct 2024 • Jindou Jia, Zihan Yang, Meng Wang, Kexin Guo, Jianfei Yang, Xiang Yu, Lei Guo
Inspired by the feedback philosophy, we present feedback neural networks, showing that a feedback loop can flexibly correct the learned latent dynamics of neural ordinary differential equations (neural ODEs), leading to a prominent generalization improvement.
no code implementations • 28 Sep 2024 • Hao Chen, Wei Zhao, Yingli Li, Tianyang Zhong, Yisong Wang, Youlan Shang, Lei Guo, Junwei Han, Tianming Liu, Jun Liu, Tuo Zhang
Medical image analysis is crucial in modern radiological diagnostics, especially given the exponential growth in medical imaging data.
no code implementations • 15 Sep 2024 • Wenjun Li, Ying Cai, Ziyang Wu, Wenyi Zhang, Yifan Chen, Rundong Qi, Mengqi Dong, Peigen Chen, Xiao Dong, Fenghao Shi, Lei Guo, Junwei Han, Bao Ge, Tianming Liu, Lin Gan, Tuo Zhang
Music is essential in daily life, fulfilling emotional and entertainment needs, and connecting us personally, socially, and culturally.
no code implementations • 26 Jul 2024 • Lei Guo, Wei Chen, Yuxuan Sun, Bo Ai, Nikolaos Pappas, Tony Quek
This paper introduces a diffusion-driven semantic communication framework with advanced VAE-based compression for bandwidth-constrained generative model.
no code implementations • Findings (EMNLP) 2021 • Isidora Chara Tourni, Lei Guo, Hengchang Hu, Edward Halim, Prakash Ishwar, Taufiq Daryanto, Mona Jalal, Boqi Chen, Margrit Betke, Fabian Zhafransyah, Sha Lai, Derry Tanti Wijaya
Additionally, we release the first multimodal news framing dataset related to gun violence in the U. S., curated and annotated by communication researchers.
1 code implementation • 19 Mar 2024 • Chong Ma, Hanqi Jiang, WenTing Chen, Yiwei Li, Zihao Wu, Xiaowei Yu, Zhengliang Liu, Lei Guo, Dajiang Zhu, Tuo Zhang, Dinggang Shen, Tianming Liu, Xiang Li
This data-reliance may lead to low generalization of the learned alignment relationships.
1 code implementation • 26 Jan 2024 • Lei Guo, Ziang Lu, Junliang Yu, Nguyen Quoc Viet Hung, Hongzhi Yin
For Limitation 2, we model items in a universal feature space by their description texts.
no code implementations • 16 Jan 2024 • Hao liu, Lei Guo, Lei Zhu, Yongqiang Jiang, Min Gao, Hongzhi Yin
To overcome the above challenges, we focus on NMCR, and devise MCRPL as our solution.
no code implementations • NeurIPS 2023 • Shane Bergsma, Timothy Zeyl, Lei Guo
We find SutraNets to significantly improve forecasting accuracy over competitive alternatives on six real-world datasets, including when we vary the number of sub-series and scale up the depth and width of the underlying sequence models.
1 code implementation • 22 Dec 2023 • Shane Bergsma, Timothy Zeyl, Javad Rahimipour Anaraki, Lei Guo
We present coarse-to-fine autoregressive networks (C2FAR), a method for modeling the probability distribution of univariate, numeric random variables.
no code implementations • 30 Nov 2023 • Yujing Liu, Zhixin Liu, Lei Guo
Mixed linear regression (MLR) is a powerful model for characterizing nonlinear relationships by utilizing a mixture of linear regression sub-models.
no code implementations • 20 Oct 2023 • Bowen Hao, Chaoqun Yang, Lei Guo, Junliang Yu, Hongzhi Yin
By unifying pre-training and recommendation tasks as a common motif-based similarity learning task and integrating adaptable prompt parameters to guide the model in downstream recommendation tasks, MOP excels in transferring domain knowledge effectively.
no code implementations • 8 Oct 2023 • Tianyang Zhong, Wei Zhao, Yutong Zhang, Yi Pan, Peixin Dong, Zuowei Jiang, Xiaoyan Kui, Youlan Shang, Li Yang, Yaonai Wei, Longtao Yang, Hao Chen, Huan Zhao, Yuxiao Liu, Ning Zhu, Yiwei Li, Yisong Wang, Jiaqi Yao, Jiaqi Wang, Ying Zeng, Lei He, Chao Zheng, Zhixue Zhang, Ming Li, Zhengliang Liu, Haixing Dai, Zihao Wu, Lu Zhang, Shu Zhang, Xiaoyan Cai, Xintao Hu, Shijie Zhao, Xi Jiang, Xin Zhang, Xiang Li, Dajiang Zhu, Lei Guo, Dinggang Shen, Junwei Han, Tianming Liu, Jun Liu, Tuo Zhang
Radiology report generation, as a key step in medical image analysis, is critical to the quantitative analysis of clinically informed decision-making levels.
no code implementations • 18 Sep 2023 • Lantian Zhang, Lei Guo
The asymptotically efficient online learning problem is investigated for stochastic censored regression models, which arise from various fields of learning and statistics but up to now still lacks comprehensive theoretical studies on the efficiency of the learning algorithms.
no code implementations • 20 Aug 2023 • Sicheng Zhou, Meng Wang, Jindou Jia, Kexin Guo, Xiang Yu, Youmin Zhang, Lei Guo
This paper presents an excitation operator based fault separation architecture for a quadrotor unmanned aerial vehicle (UAV) subject to loss of effectiveness (LoE) faults, actuator aging, and load uncertainty.
no code implementations • 16 Aug 2023 • Lei Guo, Wenshuo Li, Yukai Zhu, Xiang Yu, Zidong Wang
State estimation has long been a fundamental problem in signal processing and control areas.
no code implementations • 22 May 2023 • Lei Guo, Wei Chen, Yuxuan Sun, Bo Ai
Additionally, structured pruning is incorporated to reduce the dimension of the transmitted features.
1 code implementation • 16 May 2023 • Xucong Wang, Pengchao Han, Lei Guo
Specifically, we introduce a Distillation with Reverse Guidance (DRG) method that considers different levels of information extracted by the model, including edge, shape, and detail of the input data, to construct a more informative teacher.
2 code implementations • 17 Apr 2023 • Chong Ma, Zihao Wu, Jiaqi Wang, Shaochen Xu, Yaonai Wei, Fang Zeng, Zhengliang Liu, Xi Jiang, Lei Guo, Xiaoyan Cai, Shu Zhang, Tuo Zhang, Dajiang Zhu, Dinggang Shen, Tianming Liu, Xiang Li
The 'Impression' section of a radiology report is a critical basis for communication between radiologists and other physicians, and it is typically written by radiologists based on the 'Findings' section.
no code implementations • 9 Apr 2023 • Lei Guo, Chunxiao Wang, Xinhua Wang, Lei Zhu, Hongzhi Yin
Cross-domain Recommendation (CR) has been extensively studied in recent years to alleviate the data sparsity issue in recommender systems by utilizing different domain information.
1 code implementation • 7 Feb 2023 • Jinyu Zhang, Huichuan Duan, Lei Guo, Liancheng Xu, Xinhua Wang
Cross-domain Sequential Recommendation (CSR) is an emerging yet challenging task that depicts the evolution of behavior patterns for overlapped users by modeling their interactions from multiple domains.
no code implementations • 25 Jul 2022 • Pengfei Ma, Youxi Wu, Yan Li, Lei Guo, He Jiang, Xingquan Zhu, Xindong Wu
To screen out redundant feature vectors, we introduce a hashing screening mechanism for multi-grained scanning and propose a model called HW-Forest which adopts two strategies, hashing screening and window screening.
no code implementations • 14 Jul 2022 • Haoteng Tang, Guixiang Ma, Lei Guo, Xiyao Fu, Heng Huang, Liang Zhang
Here, we propose an interpretable hierarchical signed graph representation learning model to extract graph-level representations from brain functional networks, which can be used for different prediction tasks.
no code implementations • 6 Jul 2022 • Lantian Zhang, Lei Guo
This paper investigates the adaptive identification and prediction problems for stochastic dynamical systems with saturated observations, which arise from various fields in engineering and social systems, but up to now still lack comprehensive theoretical studies including performance guarantees needed in practical applications.
1 code implementation • 16 Jun 2022 • Lei Guo, Jinyu Zhang, Tong Chen, Xinhua Wang, Hongzhi Yin
Shared-account Cross-domain Sequential Recommendation (SCSR) is an emerging yet challenging task that simultaneously considers the shared-account and cross-domain characteristics in the sequential recommendation.
1 code implementation • 16 Jun 2022 • Lei Guo, Jinyu Zhang, Li Tang, Tong Chen, Lei Zhu, Hongzhi Yin
Shared-account Cross-domain Sequential Recommendation (SCSR) task aims to recommend the next item via leveraging the mixed user behaviors in multiple domains.
no code implementations • 6 May 2022 • Haoteng Tang, Xiyao Fu, Lei Guo, Yalin Wang, Scott Mackin, Olusola Ajilore, Alex Leow, Paul Thompson, Heng Huang, Liang Zhan
Since brain networks derived from functional and structural MRI describe the brain topology from different perspectives, exploring a representation that combines these cross-modality brain networks is non-trivial.
no code implementations • 9 Jan 2022 • Youxi Wu, Qian Hu, Yan Li, Lei Guo, Xingquan Zhu, Xindong Wu
To discover patterns, existing methods often convert time series data into another form, such as nominal/symbolic format, to reduce dimensionality, which inevitably deviates the data values.
no code implementations • 25 Dec 2021 • Pengfei Ma, Youxi Wu, Yan Li, Lei Guo, Zhao Li
As a deep learning model, deep confidence screening forest (gcForestcs) has achieved great success in various applications.
no code implementations • 7 Dec 2021 • Han Zhao, Lei Guo
In this paper a novel model-free algorithm is proposed.
no code implementations • 25 Oct 2021 • Lei Guo, Han Zhao, Yuan Song
First, the deficiency of chattering in traditional SMC and the quasi-SMC method are analyzed in this paper.
1 code implementation • 9 Sep 2021 • Junwei Zhang, Min Gao, Junliang Yu, Lei Guo, Jundong Li, Hongzhi Yin
Technically, for (1), a hierarchical hypergraph convolutional network based on the user- and group-level hypergraphs is developed to model the complex tuplewise correlations among users within and beyond groups.
1 code implementation • 22 Jul 2021 • Chaoran Cui, Jian Zong, Yuling Ma, Xinhua Wang, Lei Guo, Meng Chen, Yilong Yin
Academic performance prediction aims to leverage student-related information to predict their future academic outcomes, which is beneficial to numerous educational applications, such as personalized teaching and academic early warning.
no code implementations • 8 Jul 2021 • Lantian Zhang, Yanlong Zhao, Lei Guo
By using both the stochastic Lyapunov function and martingale estimation methods, we establish the strong consistency of the estimation algorithm and provide the convergence rate, under a signal condition which is considerably weaker than the traditional PE condition and coincides with the weakest possible excitation known for the classical least square algorithm of stochastic regression models.
no code implementations • 1 Jul 2021 • Chenglin Yu, Dingnan Cui, Muheng Shang, Shu Zhang, Lei Guo, Junwei Han, Lei Du, Alzheimer's Disease Neuroimaging Initiative
Though deep learning models can extract the nonlinear relationship, they could not select relevant genetic factors.
no code implementations • 19 May 2021 • Lei Guo, Han Zhao
In this paper, we present a novel algorithm named synchronous integral Q-learning, which is based on synchronous policy iteration, to solve the continuous-time infinite horizon optimal control problems of input-affine system dynamics.
no code implementations • 7 May 2021 • Lei Guo, Li Tang, Tong Chen, Lei Zhu, Quoc Viet Hung Nguyen, Hongzhi Yin
Shared-account Cross-domain Sequential recommendation (SCSR) is the task of recommending the next item based on a sequence of recorded user behaviors, where multiple users share a single account, and their behaviours are available in multiple domains.
no code implementations • 24 Mar 2021 • Lei Guo, Hongzhi Yin, Tong Chen, Xiangliang Zhang, Kai Zheng
However, the representation learning for a group is most complex beyond the fusion of group member representation, as the personal preferences and group preferences may be in different spaces.
no code implementations • 16 Dec 2020 • Zhichao Wu, Lei Guo, Hao Zhang, Dan Xu
Unsupervised image segmentation aims at assigning the pixels with similar feature into a same cluster without annotation, which is an important task in computer vision.
2 code implementations • 16 Aug 2020 • Alyssa Smith, David Assefa Tofu, Mona Jalal, Edward Edberg Halim, Yimeng Sun, Vidya Akavoor, Margrit Betke, Prakash Ishwar, Lei Guo, Derry Wijaya
The degree of user involvement is flexible: they can run models that have been pre-trained on select issues; submit labeled documents and train a new model for frame classification; or submit unlabeled documents and obtain potential frames of the documents.
no code implementations • 22 Jul 2020 • Wei Sun, Qingyang Song, Lei Guo, Jun Zhao
Simultaneous wireless information and power transfer (SWIPT) and intelligent reflecting surface (IRS) are two promising techniques for providing enhanced wireless communication capability and sustainable energy supply to energy-constrained wireless devices.
no code implementations • ACL 2020 • Afra Feyza Aky{\"u}rek, Lei Guo, R Elanwar, a, Prakash Ishwar, Margrit Betke, Derry Tanti Wijaya
News framing refers to the practice in which aspects of specific issues are highlighted in the news to promote a particular interpretation.
no code implementations • 23 May 2020 • Haoteng Tang, Guixiang Ma, Yurong Chen, Lei Guo, Wei Wang, Bo Zeng, Liang Zhan
However, most of the existing work in this area focus on the GNNs for node-level tasks, while little work has been done to study the robustness of the GNNs for the graph classification task.
no code implementations • 3 May 2020 • Gong Cheng, Xingxing Xie, Junwei Han, Lei Guo, Gui-Song Xia
Considering the rapid evolution of this field, this paper provides a systematic survey of deep learning methods for remote sensing image scene classification by covering more than 160 papers.
no code implementations • 11 Feb 2020 • Mona Jalal, Kate K. Mays, Lei Guo, Margrit Betke
We report results of a comparison of the accuracy of crowdworkers and seven Natural Language Processing (NLP) toolkits in solving two important NLP tasks, named-entity recognition (NER) and entity-level sentiment (ELS) analysis.
no code implementations • 25 Dec 2019 • Siyu Xie, Yaqi Zhang, Lei Guo
In this paper, we consider a least-squares (LS)-based distributed algorithm build on a sensor network to estimate an unknown parameter vector of a dynamical system, where each sensor in the network has partial information only but is allowed to communicate with its neighbors.
no code implementations • CONLL 2019 • Siyi Liu, Lei Guo, Kate Mays, Margrit Betke, Derry Tanti Wijaya
We apply our frame detection approach in a large scale study of 88k news headlines about the coverage of gun violence in the U. S. between 2016 and 2018.
no code implementations • 11 Jan 2019 • Mehrnoosh Sameki, Sha Lai, Kate K. Mays, Lei Guo, Prakash Ishwar, Margrit Betke
We next train a machine learning system (BUOCA-ML) that predicts an optimal number of crowd workers needed to maximize the accuracy of the labeling.
no code implementations • 31 Aug 2016 • Mehrnoosh Sameki, Mattia Gentil, Kate K. Mays, Lei Guo, Margrit Betke
We explore two dynamic-allocation methods: (1) The number of workers queried to label a tweet is computed offline based on the predicted difficulty of discerning the sentiment of a particular tweet.
no code implementations • CVPR 2015 • Gong Cheng, Junwei Han, Lei Guo, Tianming Liu
Part model-based methods have been successfully applied to object detection and scene classification and have achieved state-of-the-art results.
no code implementations • NeurIPS 2010 • Kaiming Li, Lei Guo, Carlos Faraco, Dajiang Zhu, Fan Deng, Tuo Zhang, Xi Jiang, Degang Zhang, Hanbo Chen, Xintao Hu, Steve Miller, Tianming Liu
Our strategy is to formulate the individual ROI optimization as a group variance minimization problem, in which group-wise functional and structural connectivity patterns, and anatomic profiles are defined as optimization constraints.