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Graph Neural Networks (GNNs) have received increasing attention due to their ability to learn from graph-structured data. However, their predictions are often not interpretable. Post-hoc instance-level explanation methods have been proposed…

机器学习 · 计算机科学 2023-07-18 Jiaxing Zhang , Dongsheng Luo , Hua Wei

The stylistic properties of text have intrigued computational linguistics researchers in recent years. Specifically, researchers have investigated the Text Style Transfer (TST) task, which aims to change the stylistic properties of the text…

计算与语言 · 计算机科学 2023-01-03 Zhiqiang Hu , Roy Ka-Wei Lee , Charu C. Aggarwal , Aston Zhang

Retrosynthesis prediction is one of the fundamental challenges in organic chemistry and related fields. The goal is to find reactants molecules that can synthesize product molecules. To solve this task, we propose a new graph-to-graph…

定量方法 · 定量生物学 2022-04-20 Zaiyun Lin , Shiqiu Yin , Lei Shi , Wenbiao Zhou , YingSheng Zhang

Style transfer is the task of transferring an attribute of a sentence (e.g., formality) while maintaining its semantic content. The key challenge in style transfer is to strike a balance between the competing goals, one to preserve meaning…

计算与语言 · 计算机科学 2018-09-18 Shrimai Prabhumoye , Yulia Tsvetkov , Alan W Black , Ruslan Salakhutdinov

Feature attribution explains Artificial Intelligence (AI) at the instance level by providing importance scores of input features' contributions to model prediction. Integrated Gradients (IG) is a prominent path attribution method for deep…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Yue Zhuo , Zhiqiang Ge

Stepwise inference protocols, such as scratchpads and chain-of-thought, help language models solve complex problems by decomposing them into a sequence of simpler subproblems. Despite the significant gain in performance achieved via these…

机器学习 · 计算机科学 2024-02-13 Mikail Khona , Maya Okawa , Jan Hula , Rahul Ramesh , Kento Nishi , Robert Dick , Ekdeep Singh Lubana , Hidenori Tanaka

Inversion methods, such as Textual Inversion, generate personalized images by incorporating concepts of interest provided by user images. However, existing methods often suffer from overfitting issues, where the dominant presence of…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Xulu Zhang , Xiao-Yong Wei , Jinlin Wu , Tianyi Zhang , Zhaoxiang Zhang , Zhen Lei , Qing Li

In the wake of responsible AI, interpretability methods, which attempt to provide an explanation for the predictions of neural models have seen rapid progress. In this work, we are concerned with explanations that are applicable to natural…

The prevalence and perniciousness of fake news have been a critical issue on the Internet, which stimulates the development of automatic fake news detection in turn. In this paper, we focus on evidence-based fake news detection, where…

计算与语言 · 计算机科学 2022-10-12 Junfei Wu , Weizhi Xu , Qiang Liu , Shu Wu , Liang Wang

Graph contrastive learning is a general learning paradigm excelling at capturing invariant information from diverse perturbations in graphs. Recent works focus on exploring the structural rationale from graphs, thereby increasing the…

机器学习 · 计算机科学 2024-04-09 Qirui Ji , Jiangmeng Li , Jie Hu , Rui Wang , Changwen Zheng , Fanjiang Xu

This research addresses a fundamental question in AI: whether large language models truly understand concepts or simply recognize patterns. The authors propose bidirectional reasoning,the ability to apply transformations in both directions…

Predictive models can fail to generalize from training to deployment environments because of dataset shift, posing a threat to model reliability and the safety of downstream decisions made in practice. Instead of using samples from the…

机器学习 · 统计学 2018-08-10 Adarsh Subbaswamy , Suchi Saria

Recently, the paradigm of pre-training and fine-tuning graph neural networks has been intensively studied and applied in a wide range of graph mining tasks. Its success is generally attributed to the structural consistency between…

机器学习 · 计算机科学 2023-12-22 Yifei Sun , Qi Zhu , Yang Yang , Chunping Wang , Tianyu Fan , Jiajun Zhu , Lei Chen

Style Transfer has been proposed in a number of fields: fine arts, natural language processing, and fixed trajectories. We scale this concept up to control policies within a Deep Reinforcement Learning infrastructure. Each network is…

机器人学 · 计算机科学 2024-02-02 Raul Fernandez-Fernandez , Juan G. Victores , Jennifer J. Gago , David Estevez , Carlos Balaguer

Data imputation addresses the challenge of imputing missing values in database instances, ensuring consistency with the overall semantics of the dataset. Although several heuristics which rely on statistical methods, and ad-hoc rules have…

人工智能 · 计算机科学 2024-10-22 Jiang Hua , Michael Bewong , Selasi Kwashie , MD Geaur Rahman , Junwei Hu , Xi Guo , Zaiwen Fen

Style transfer methods produce a transferred image which is a rendering of a content image in the manner of a style image. We seek to understand how to improve style transfer. To do so requires quantitative evaluation procedures, but the…

计算机视觉与模式识别 · 计算机科学 2020-02-17 Mao-Chuang Yeh , Shuai Tang , Anand Bhattad , Chuhang Zou , David Forsyth

Contrastive graph node clustering via learnable data augmentation is a hot research spot in the field of unsupervised graph learning. The existing methods learn the sampling distribution of a pre-defined augmentation to generate data-driven…

机器学习 · 计算机科学 2023-10-23 Xihong Yang , Cheng Tan , Yue Liu , Ke Liang , Siwei Wang , Sihang Zhou , Jun Xia , Stan Z. Li , Xinwang Liu , En Zhu

Graph prediction problems prevail in data analysis and machine learning. The inverse prediction problem, namely to infer input data from given output labels, is of emerging interest in various applications. In this work, we develop…

机器学习 · 统计学 2022-11-22 Chen Xu , Xiuyuan Cheng , Yao Xie

Understanding causal relationships among the variables of a system is paramount to explain and control its behavior. For many real-world systems, however, the true causal graph is not readily available and one must resort to predictions…

Universal style transfer tries to explicitly minimize the losses in feature space, thus it does not require training on any pre-defined styles. It usually uses different layers of VGG network as the encoders and trains several decoders to…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Ming Lu , Hao Zhao , Anbang Yao , Yurong Chen , Feng Xu , Li Zhang