1 code implementation • 8 Mar 2024 • Zhiqiang Zhong, Kuangyu Zhou, Davide Mottin
Our investigation reveals several key insights: Firstly, LLMs generally lag behind ML models in achieving competitive performance on molecule tasks, particularly when compared to models adept at capturing the geometric structure of molecules, highlighting the constrained ability of LLMs to comprehend graph data.
no code implementations • 20 Feb 2024 • Zhiqiang Zhong, Davide Mottin
Predicting protein properties is paramount for biological and medical advancements.
no code implementations • 20 Feb 2024 • Zhiqiang Zhong, Kuangyu Zhou, Davide Mottin
We show that, through our proposed training-free framework LlmCorr, an LLM can work as a post-hoc corrector to propose corrections for the predictions of an arbitrary ML model.
no code implementations • 4 Sep 2023 • Zhiqiang Zhong, Yangqianzi Jiang, Davide Mottin
Proposed as a solution to the inherent black-box limitations of graph neural networks (GNNs), post-hoc GNN explainers aim to provide precise and insightful explanations of the behaviours exhibited by trained GNNs.
no code implementations • 29 Aug 2023 • Marc Christiansen, Lea Villadsen, Zhiqiang Zhong, Stefano Teso, Davide Mottin
Self-explainable deep neural networks are a recent class of models that can output ante-hoc local explanations that are faithful to the model's reasoning, and as such represent a step forward toward filling the gap between expressiveness and interpretability.
2 code implementations • 5 May 2023 • Yali Zheng, Chen Wu, Peizheng Cai, Zhiqiang Zhong, Hongda Huang, Yuqi Jiang
Therefore, this study provides an effective solution for resource-constraint IoT smart health devices in PPG artifact detection.
1 code implementation • 16 Feb 2023 • Zhiqiang Zhong, Anastasia Barkova, Davide Mottin
The integration of Artificial Intelligence (AI) into the field of drug discovery has been a growing area of interdisciplinary scientific research.
no code implementations • 27 Jun 2022 • Ninghan Chen, Xihui Chen, Zhiqiang Zhong, Jun Pang
To address the vaccine hesitancy which impairs the efforts of the COVID-19 vaccination campaign, it is imperative to understand public vaccination attitudes and timely grasp their changes.
1 code implementation • 19 May 2022 • Zhiqiang Zhong, Sergey Ivanov, Jun Pang
Graph Neural Networks (GNNs) have been predominant for graph learning tasks; however, recent studies showed that a well-known graph algorithm, Label Propagation (LP), combined with a shallow neural network can achieve comparable performance to GNNs in semi-supervised node classification on graphs with high homophily.
1 code implementation • 21 Mar 2022 • Zhiqiang Zhong, Guadalupe Gonzalez, Daniele Grattarola, Jun Pang
Here, we formulate the unsupervised NE task as an r-ego network discrimination problem and develop the SELENE framework for learning on networks with homophily and heterophily.
no code implementations • 13 Dec 2020 • Ninghan Chen, Zhiqiang Zhong, Jun Pang
Experiments conducted on our dataset demonstrated that the use of the identified spillover effect significantly improves the state-of-the-art GNNs methods in predicting the popularity of not only preventive measure messages, but also other COVID-19 related messages.
Social and Information Networks Computers and Society
1 code implementation • 26 Oct 2020 • Zhiqiang Zhong, Cheng-Te Li, Jun Pang
To fully unleash the power of HGRL, we present a novel framework, Personalised Meta-path based Heterogeneous Graph Neural Networks (PM-HGNN), to jointly generate meta-paths that are personalised for each individual node in a HIN and learn node representations for the target downstream task like node classification.
1 code implementation • 1 Oct 2020 • Zhiqiang Zhong, Cheng-Te Li, Jun Pang
Specifically, a differentiable pooling operator is proposed to adaptively generate a multi-grained structure that involves meso- and macro-level semantic information in the graph.
1 code implementation • 8 Sep 2020 • Zhiqiang Zhong, Cheng-Te Li, Jun Pang
To deal with these two issues, we propose a novel Hierarchical Message-passing Graph Neural Networks framework.
no code implementations • 12 Aug 2020 • Ninghan Chen, Zhiqiang Zhong, Jun Pang
The outbreak of the COVID-19 leads to a burst of information in major online social networks (OSNs).