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Temporal Knowledge graph completion (TKGC) is a crucial task that involves reasoning at known timestamps to complete the missing part of facts and has attracted more and more attention in recent years. Most existing methods focus on…

计算与语言 · 计算机科学 2024-03-05 Wenjie Xu , Ben Liu , Miao Peng , Xu Jia , Min Peng

Graph Neural Networks (GNNs) are powerful in learning semantics of graph data. Recently, a new paradigm "pre-train and prompt" has shown promising results in adapting GNNs to various tasks with less supervised data. The success of such…

机器学习 · 计算机科学 2024-06-04 Qingqing Ge , Zeyuan Zhao , Yiding Liu , Anfeng Cheng , Xiang Li , Shuaiqiang Wang , Dawei Yin

Today we have a good theoretical understanding of the representational power of Graph Neural Networks (GNNs). For example, their limitations have been characterized in relation to a hierarchy of Weisfeiler-Lehman (WL) isomorphism tests.…

机器学习 · 计算机科学 2023-03-08 Mohammad Sadegh Akhondzadeh , Vijay Lingam , Aleksandar Bojchevski

Learning concepts that are consistent with human perception is important for Deep Neural Networks to win end-user trust. Post-hoc interpretation methods lack transparency in the feature representations learned by the models. This work…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Sandareka Wickramanayake , Wynne Hsu , Mong Li Lee

Recently, significant attention has been given to the idea of viewing relational databases as heterogeneous graphs, enabling the application of graph neural network (GNN) technology for predictive tasks. However, existing GNN methods…

机器学习 · 计算机科学 2025-02-26 Francesco Ferrini , Antonio Longa , Andrea Passerini , Manfred Jaeger

Despite their success in various domains, the growing dependence on GNNs raises a critical concern about the nature of the combinatorial reasoning underlying their predictions, which is often hidden within their black-box architectures.…

机器学习 · 计算机科学 2026-03-03 Yue Niu , Zhaokai Sun , Jiayi Yang , Xiaofeng Cao , Rui Fan , Xin Sun , Hanli Wang , Wei Ye

Pretrained Language Models (PLMs) such as BERT have revolutionized the landscape of Natural Language Processing (NLP). Inspired by their proliferation, tremendous efforts have been devoted to Pretrained Graph Models (PGMs). Owing to the…

机器学习 · 计算机科学 2022-03-22 Jun Xia , Yanqiao Zhu , Yuanqi Du , Stan Z. Li

Accurate prediction of vehicle trajectories is vital for advanced driver assistance systems and autonomous vehicles. Existing methods mainly rely on generic trajectory predictions derived from large datasets, overlooking the personalized…

机器学习 · 计算机科学 2023-08-17 Amr Abdelraouf , Rohit Gupta , Kyungtae Han

Introduction Accurate prediction of protein-protein interactions (PPIs) is crucial for understanding cellular functions and advancing drug development. Existing in-silico methods use direct sequence embeddings from Protein Language Models…

机器学习 · 计算机科学 2025-10-17 Islam Akef Ebeid , Haoteng Tang , Pengfei Gu

Graph neural networks (GNNs) have recently emerged as a dominant paradigm for machine learning with graphs. Research on GNNs has mainly focused on the family of message passing neural networks (MPNNs). Similar to the Weisfeiler-Leman (WL)…

机器学习 · 统计学 2022-07-05 Giannis Nikolentzos , George Dasoulas , Michalis Vazirgiannis

The pre-training and fine-tuning methods have gained widespread attention in the field of heterogeneous graph neural networks due to their ability to leverage large amounts of unlabeled data during the pre-training phase, allowing the model…

机器学习 · 计算机科学 2025-07-11 Pengfei Jiao , Jialong Ni , Di Jin , Xuan Guo , Huan Liu , Hongjiang Chen , Yanxian Bi

We introduce a relational graph neural network with bi-directional attention mechanism and hierarchical representation learning for open-domain question answering task. Our model can learn contextual representation by jointly learning and…

计算与语言 · 计算机科学 2019-10-21 Salvatore Vivona , Kaveh Hassani

Deep learning has gained great success in various classification tasks. Typically, deep learning models learn underlying features directly from data, and no underlying relationship between classes are included. Similarity between classes…

计算机视觉与模式识别 · 计算机科学 2020-09-28 Xueli Xiao , Chunyan Ji , Thosini Bamunu Mudiyanselage , Yi Pan

Message passing neural networks have become a method of choice for learning on graphs, in particular the prediction of chemical properties and the acceleration of molecular dynamics studies. While they readily scale to large training data…

机器学习 · 计算机科学 2021-06-08 Kristof T. Schütt , Oliver T. Unke , Michael Gastegger

Tabular data prediction (TDP) is one of the most popular industrial applications, and various methods have been designed to improve the prediction performance. However, existing works mainly focus on feature interactions and ignore sample…

机器学习 · 计算机科学 2021-08-23 Xiawei Guo , Yuhan Quan , Huan Zhao , Quanming Yao , Yong Li , Weiwei Tu

We develop and implement two realizations of quantum graph neural networks (QGNN), applied to the task of particle interaction simulation. The first QGNN is a speculative quantum-classical hybrid learning model that relies on the ability to…

CommonsenseQA is a task in which a correct answer is predicted through commonsense reasoning with pre-defined knowledge. Most previous works have aimed to improve the performance with distributed representation without considering the…

计算与语言 · 计算机科学 2020-11-09 Jungwoo Lim , Dongsuk Oh , Yoonna Jang , Kisu Yang , Heuiseok Lim

Graph neural networks stand as the predominant technique for graph representation learning owing to their strong expressive power, yet the performance highly depends on the availability of high-quality labels in an end-to-end manner. Thus…

机器学习 · 计算机科学 2024-11-27 Jiazheng Li , Jundong Li , Chuxu Zhang

Graph neural networks are powerful architectures for structured datasets. However, current methods struggle to represent long-range dependencies. Scaling the depth or width of GNNs is insufficient to broaden receptive fields as larger GNNs…

机器学习 · 计算机科学 2022-01-24 Zhanghao Wu , Paras Jain , Matthew A. Wright , Azalia Mirhoseini , Joseph E. Gonzalez , Ion Stoica

We present the group equivariant conditional neural process (EquivCNP), a meta-learning method with permutation invariance in a data set as in conventional conditional neural processes (CNPs), and it also has transformation equivariance in…

机器学习 · 计算机科学 2021-02-18 Makoto Kawano , Wataru Kumagai , Akiyoshi Sannai , Yusuke Iwasawa , Yutaka Matsuo