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Graph neural networks (GNNs) have become a standard paradigm for graph representation learning, yet their message passing mechanism implicitly assumes that messages can be represented by source node embeddings, an assumption that fails in…

人工智能 · 计算机科学 2026-03-02 Dawei Cheng , Wenjun Wang , Mingjian Guang

Multi-label text classification (MLTC) is an attractive and challenging task in natural language processing (NLP). Compared with single-label text classification, MLTC has a wider range of applications in practice. In this paper, we propose…

计算与语言 · 计算机科学 2022-05-24 Irene Li , Aosong Feng , Hao Wu , Tianxiao Li , Toyotaro Suzumura , Ruihai Dong

Graph Transformer is gaining increasing attention in the field of machine learning and has demonstrated state-of-the-art performance on benchmarks for graph representation learning. However, as current implementations of Graph Transformer…

机器学习 · 计算机科学 2023-05-08 Wenhao Zhu , Tianyu Wen , Guojie Song , Xiaojun Ma , Liang Wang

Homographs, words with different meanings but the same surface form, have long caused difficulty for machine translation systems, as it is difficult to select the correct translation based on the context. However, with the advent of neural…

计算与语言 · 计算机科学 2018-03-29 Frederick Liu , Han Lu , Graham Neubig

Most previous heterogeneous graph embedding models represent elements in a heterogeneous graph as vector representations in a low-dimensional Euclidean space. However, because heterogeneous graphs inherently possess complex structures, such…

机器学习 · 计算机科学 2024-04-16 Jongmin Park , Seunghoon Han , Soohwan Jeong , Sungsu Lim

Large language models (LLMs) have recently shown strong potential in modeling relational structures. However, existing approaches remain fundamentally graph-centric: they focus on processing pairwise graph structures into tokens that LLMs…

计算与语言 · 计算机科学 2026-05-22 Mengqi Lei , Guohuan Xie , Shihui Ying , Shaoyi Du , Jun-Hai Yong , Siqi Li , Yue Gao

This paper aims to establish a new optimization paradigm for implementing realistic distributed learning algorithms, with performance guarantees, on wireless edge nodes with heterogeneous computing and communication capacities. We will…

分布式、并行与集群计算 · 计算机科学 2019-02-01 Umair Mohammad , Sameh Sorour

Handwritten mathematical expressions (HMEs) contain ambiguities in their interpretations, even for humans sometimes. Several math symbols are very similar in the writing style, such as dot and comma or 0, O, and o, which is a challenge for…

计算与语言 · 计算机科学 2021-08-12 Huy Quang Ung , Cuong Tuan Nguyen , Hung Tuan Nguyen , Thanh-Nghia Truong , Masaki Nakagawa

Large language models (LLMs) have presented significant opportunities to enhance various machine learning applications, including graph neural networks (GNNs). By leveraging the vast open-world knowledge within LLMs, we can more effectively…

机器学习 · 计算机科学 2025-02-18 Yuxia Wu , Shujie Li , Yuan Fang , Chuan Shi

Homographs, words with the same spelling but different meanings, remain challenging in Neural Machine Translation (NMT). While recent works leverage various word embedding approaches to differentiate word sense in NMT, they do not focus on…

计算与语言 · 计算机科学 2023-04-14 Weixuan Wang , Wei Peng , Qun Liu

Constructing accurate and automatic solvers of math word problems has proven to be quite challenging. Prior attempts using machine learning have been trained on corpora specific to math word problems to produce arithmetic expressions in…

计算与语言 · 计算机科学 2019-12-03 Kaden Griffith , Jugal Kalita

Graphical models have been popularly used for capturing conditional independence structure in multivariate data, which are often built upon independent and identically distributed observations, limiting their applicability to complex…

统计方法学 · 统计学 2025-07-03 Yuwen Wang , Changyu Liu , Xin He , Junhui Wang

Heterogeneous Graph Neural Networks (HGNNs) are a class of deep learning models designed specifically for heterogeneous graphs, which are graphs that contain different types of nodes and edges. This paper investigates the application of…

机器学习 · 计算机科学 2024-05-13 Zhen Hao Wong , Hansi Yang , Xiaoyi Fu , Quanming Yao

Heterogeneous graph neural network has unleashed great potential on graph representation learning and shown superior performance on downstream tasks such as node classification and clustering. Existing heterogeneous graph learning networks…

机器学习 · 计算机科学 2022-11-01 Tiehua Zhang , Yuze Liu , Yao Yao , Youhua Xia , Xin Chen , Xiaowei Huang , Jiong Jin

Many multiagent systems in the real world include multiple types of agents with different abilities and functionality. Such heterogeneous multiagent systems have significant practical advantages. However, they also come with challenges…

机器学习 · 计算机科学 2023-05-30 Qingxu Fu , Xiaolin Ai , Jianqiang Yi , Tenghai Qiu , Wanmai Yuan , Zhiqiang Pu

Graph neural networks (GNNs) provide powerful insights for brain neuroimaging technology from the view of graphical networks. However, most existing GNN-based models assume that the neuroimaging-produced brain connectome network is a…

机器学习 · 计算机科学 2022-09-30 Gen Shi , Yifan Zhu , Wenjin Liu , Quanming Yao , Xuesong Li

Can we combine heterogenous graph structure with text to learn high-quality semantic and behavioural representations? Graph neural networks (GNN)s encode numerical node attributes and graph structure to achieve impressive performance in a…

机器学习 · 计算机科学 2022-06-23 Vassilis N. Ioannidis , Xiang Song , Da Zheng , Houyu Zhang , Jun Ma , Yi Xu , Belinda Zeng , Trishul Chilimbi , George Karypis

Graph neural networks (GNNs) have been widely used in representation learning on graphs and achieved superior performance in tasks such as node classification. However, analyzing heterogeneous graph of different types of nodes and links…

机器学习 · 计算机科学 2021-01-08 Shin-woo Park , Byung Jun Bae , Jinyoung Yeo , Seung-won Hwang

Extractive summarization for long documents is challenging due to the extended structured input context. The long-distance sentence dependency hinders cross-sentence relations modeling, the critical step of extractive summarization. This…

计算与语言 · 计算机科学 2022-10-11 Haopeng Zhang , Xiao Liu , Jiawei Zhang

Heterogeneous information networks (HINs) can be used to model various real-world systems. As HINs consist of multiple types of nodes, edges, and node features, it is nontrivial to directly apply graph neural network (GNN) techniques in…

机器学习 · 计算机科学 2025-01-15 Zhaoqing Li , Maiqi Jiang , Shengyuan Chen , Bo Li , Guorong Chen , Xiao Huang