no code implementations • Findings (NAACL) 2022 • Liwen Zhang, Zixia Jia, Wenjuan Han, Zilong Zheng, Kewei Tu
Adversarial attack of structured prediction models faces various challenges such as the difficulty of perturbing discrete words, the sentence quality issue, and the sensitivity of outputs to small perturbations.
no code implementations • 18 Jun 2024 • Feiteng Mu, Yong Jiang, Liwen Zhang, Chu Liu, Wenjie Li, Pengjun Xie, Fei Huang
Current research on tool learning primarily focuses on selecting the most effective tool from a wide array of options, often overlooking cost-effectiveness, a crucial factor in human problem-solving.
no code implementations • 15 Jun 2024 • Ying Fu, Yu Li, ShaoDi You, Boxin Shi, Linwei Chen, Yunhao Zou, Zichun Wang, Yichen Li, Yuze Han, Yingkai Zhang, Jianan Wang, Qinglin Liu, Wei Yu, Xiaoqian Lv, Jianing Li, Shengping Zhang, Xiangyang Ji, Yuanpei Chen, Yuhan Zhang, Weihang Peng, Liwen Zhang, Zhe Xu, Dingyong Gou, Cong Li, Senyan Xu, Yunkang Zhang, Siyuan Jiang, Xiaoqiang Lu, Licheng Jiao, Fang Liu, Xu Liu, Lingling Li, Wenping Ma, Shuyuan Yang, Haiyang Xie, Jian Zhao, Shihua Huang, Peng Cheng, Xi Shen, Zheng Wang, Shuai An, Caizhi Zhu, Xuelong Li, Tao Zhang, Liang Li, Yu Liu, Chenggang Yan, Gengchen Zhang, Linyan Jiang, Bingyi Song, Zhuoyu An, Haibo Lei, Qing Luo, Jie Song, YuAn Liu, Haoyuan Zhang, Lingfeng Wang, Wei Chen, Aling Luo, Cheng Li, Jun Cao, Shu Chen, Zifei Dou, Xinyu Liu, Jing Zhang, Kexin Zhang, Yuting Yang, Xuejian Gou, Qinliang Wang, Yang Liu, Shizhan Zhao, Yanzhao Zhang, Libo Yan, Yuwei Guo, Guoxin Li, Qiong Gao, Chenyue Che, Long Sun, Xiang Chen, Hao Li, Jinshan Pan, Chuanlong Xie, Hongming Chen, Mingrui Li, Tianchen Deng, Jingwei Huang, Yufeng Li, Fei Wan, Bingxin Xu, Jian Cheng, Hongzhe Liu, Cheng Xu, Yuxiang Zou, Weiguo Pan, Songyin Dai, Sen Jia, Junpei Zhang, Puhua Chen, Qihang Li
The intersection of physics-based vision and deep learning presents an exciting frontier for advancing computer vision technologies.
1 code implementation • 5 Jan 2024 • Liwen Zhang, Lianzhen Zhong, Fan Yang, Di Dong, Hui Hui, Jie Tian
However, ranking loss only focus on the ranking of survival time and does not consider potential effect of samples for exact survival time values.
no code implementations • 22 Dec 2023 • Yin Luo, Qingchao Kong, Nan Xu, Jia Cao, Bao Hao, Baoyu Qu, Bo Chen, Chao Zhu, Chenyang Zhao, Donglei Zhang, Fan Feng, Feifei Zhao, Hailong Sun, Hanxuan Yang, Haojun Pan, Hongyu Liu, Jianbin Guo, Jiangtao Du, Jingyi Wang, Junfeng Li, Lei Sun, Liduo Liu, Lifeng Dong, Lili Liu, Lin Wang, Liwen Zhang, Minzheng Wang, Pin Wang, Ping Yu, Qingxiao Li, Rui Yan, Rui Zou, Ruiqun Li, Taiwen Huang, Xiaodong Wang, Xiaofei Wu, Xin Peng, Xina Zhang, Xing Fang, Xinglin Xiao, Yanni Hao, Yao Dong, Yigang Wang, Ying Liu, Yongyu Jiang, Yungan Wang, Yuqi Wang, Zhangsheng Wang, Zhaoxin Yu, Zhen Luo, Wenji Mao, Lei Wang, Dajun Zeng
As the latest advancements in natural language processing, large language models (LLMs) have achieved human-level language understanding and generation abilities in many real-world tasks, and even have been regarded as a potential path to the artificial general intelligence.
1 code implementation • 19 Aug 2023 • Liwen Zhang, Weige Cai, Zhaowei Liu, Zhi Yang, Wei Dai, Yujie Liao, Qianru Qin, Yifei Li, Xingyu Liu, Zhiqiang Liu, Zhoufan Zhu, Anbo Wu, Xin Guo, Yun Chen
Our work offers a more comprehensive financial knowledge evaluation benchmark, utilizing data of mock exams and covering a wide range of evaluated LLMs.
1 code implementation • ICCV 2023 • Yufei Guo, Yuhan Zhang, Yuanpei Chen, Weihang Peng, Xiaode Liu, Liwen Zhang, Xuhui Huang, Zhe Ma
All these BNs are suggested to be used after the convolution layer as usually doing in CNNs.
2 code implementations • ICCV 2023 • Yufei Guo, Xiaode Liu, Yuanpei Chen, Liwen Zhang, Weihang Peng, Yuhan Zhang, Xuhui Huang, Zhe Ma
Spiking Neural Networks (SNNs) as one of the biology-inspired models have received much attention recently.
1 code implementation • 30 Jul 2023 • Qi Kuang, Zhoufan Zhu, Liwen Zhang, Fan Zhou
Although distributional reinforcement learning (DRL) has been widely examined in the past few years, very few studies investigate the validity of the obtained Q-function estimator in the distributional setting.
Distributional Reinforcement Learning reinforcement-learning +1
no code implementations • 10 Jul 2023 • Yufei Guo, Yuanpei Chen, Liwen Zhang, Xiaode Liu, Xinyi Tong, Yuanyuan Ou, Xuhui Huang, Zhe Ma
The Spiking Neural Network (SNN) has attracted more and more attention recently.
1 code implementation • 12 Jun 2023 • Pengzhi Gao, Liwen Zhang, Zhongjun He, Hua Wu, Haifeng Wang
Multilingual sentence representations are the foundation for similarity-based bitext mining, which is crucial for scaling multilingual neural machine translation (NMT) system to more languages.
1 code implementation • 12 May 2023 • Pengzhi Gao, Liwen Zhang, Zhongjun He, Hua Wu, Haifeng Wang
The experimental analysis also proves that CrossConST could close the sentence representation gap and better align the representation space.
no code implementations • 3 May 2023 • Yufei Guo, Weihang Peng, Yuanpei Chen, Liwen Zhang, Xiaode Liu, Xuhui Huang, Zhe Ma
In this paper, we propose a joint training framework of ANN and SNN, in which the ANN can guide the SNN's optimization.
2 code implementations • CVPR 2023 • Liwen Zhang, Xinyan Zhang, Youcheng Zhang, Yufei Guo, Yuanpei Chen, Xuhui Huang, Zhe Ma
However, neither the regular convolution operation nor the modified ones are specific to interpret radar signals.
no code implementations • NeurIPS 2022 • Yufei Guo, Yuanpei Chen, Liwen Zhang, Xiaode Liu, YingLei Wang, Xuhui Huang, Zhe Ma
To deal with this problem, the Information maximization loss (IM-Loss) that aims at maximizing the information flow in the SNN is proposed in the paper.
Ranked #6 on Event data classification on CIFAR10-DVS
1 code implementation • 13 Oct 2022 • Yufei Guo, Liwen Zhang, Yuanpei Chen, Xinyi Tong, Xiaode Liu, YingLei Wang, Xuhui Huang, Zhe Ma
Motivated by this assumption, a training-inference decoupling method for SNNs named as Real Spike is proposed, which not only enjoys both unshared convolution kernels and binary spikes in inference-time but also maintains both shared convolution kernels and Real-valued Spikes during training.
1 code implementation • Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops 2022 • Jun Yu, Liwen Zhang, Shenshen Du, Hao Chang, Keda Lu, Zhong Zhang, Ye Yu, Lei Wang, Qiang Ling
To overcome these difficulties, this paper first select fewer but suitable data augmentation methods to improve the accuracy of the supervised model based on the labeled training set, which is suitable for the characteristics of hyperspectral images.
1 code implementation • Conference and Labs of the Evaluation Forum 2022 • Jun Yu, Hao Chang, Keda Lu, Guochen Xie, Liwen Zhang, Zhongpeng Cai, Shenshen Du, Zhihong Wei, Zepeng Liu, Fang Gao, Feng Shuang
This motivates us to explore the impact of different methods and components in fine-grained classification on FungiCLEF 2022.
2 code implementations • 4 May 2022 • Jun Yu, Hao Chang, Keda Lu, Liwen Zhang, Shenshen Du, Zhong Zhang
Multi-modal aerial view object classification (MAVOC) in Automatic target recognition (ATR), although an important and challenging problem, has been under studied.
no code implementations • CVPR 2022 • Yufei Guo, Xinyi Tong, Yuanpei Chen, Liwen Zhang, Xiaode Liu, Zhe Ma, Xuhui Huang
Unfortunately, with the propagation of binary spikes, the distribution of membrane potential will shift, leading to degeneration, saturation, and gradient mismatch problems, which would be disadvantageous to the network optimization and convergence.
no code implementations • ACL 2021 • Liwen Zhang, Ge Wang, Wenjuan Han, Kewei Tu
In this paper, we propose a simple yet effective method to adapt unsupervised syntactic dependency parsing methodology for unsupervised discourse dependency parsing.
no code implementations • 14 May 2021 • Fan Zhou, Zhoufan Zhu, Qi Kuang, Liwen Zhang
Although distributional reinforcement learning (DRL) has been widely examined in the past few years, there are two open questions people are still trying to address.
no code implementations • 12 Mar 2021 • Yixian Liu, Liwen Zhang, Wenjuan Han, Yue Zhang, Kewei Tu
We focus on CommonGen, the task of generating text based on a set of concepts, as a representative task of constrained text generation.
1 code implementation • EMNLP 2020 • Wenjuan Han, Liwen Zhang, Yong Jiang, Kewei Tu
To address these problems, we propose a novel and unified framework that learns to attack a structured prediction model using a sequence-to-sequence model with feedbacks from multiple reference models of the same structured prediction task.
1 code implementation • ACL 2019 • Liwen Zhang, Kewei Tu, Yue Zhang
Neural models have been investigated for sentiment classification over constituent trees.
1 code implementation • ICML 2018 • Liwen Zhang, Gregory Naitzat, Lek-Heng Lim
Among other things, we deduce that feedforward ReLU neural networks with one hidden layer can be characterized by zonotopes, which serve as building blocks for deeper networks; we relate decision boundaries of such neural networks to tropical hypersurfaces, a major object of study in tropical geometry; and we prove that linear regions of such neural networks correspond to vertices of polytopes associated with tropical rational functions.
1 code implementation • ACL 2018 • Yanpeng Zhao, Liwen Zhang, Kewei Tu
We introduce Latent Vector Grammars (LVeGs), a new framework that extends latent variable grammars such that each nonterminal symbol is associated with a continuous vector space representing the set of (infinitely many) subtypes of the nonterminal.
no code implementations • 7 Nov 2016 • Liwen Zhang, John Winn, Ryota Tomioka
We propose the Gaussian attention model for content-based neural memory access.
no code implementations • 5 Mar 2015 • Liwen Zhang, Subhransu Maji, Ryota Tomioka
Similarity between objects is multi-faceted and it can be easier for human annotators to measure it when the focus is on a specific aspect.