1 code implementation • 23 Feb 2024 • Yan Luo, Zhuoyue Wan, Yuzhong Chen, Gengchen Mai, Fu-Lai Chung, Kent Larson
Understanding the link between urban planning and commuting flows is crucial for guiding urban development and policymaking.
1 code implementation • 18 Jun 2023 • Shuang Zhou, Xiao Huang, Ninghao Liu, Huachi Zhou, Fu-Lai Chung, Long-Kai Huang
In this paper, we base on the phenomenon and propose a general and novel research problem of generalized graph anomaly detection that aims to effectively identify anomalies on both the training-domain graph and unseen testing graph to eliminate potential dangers.
no code implementations • 9 Apr 2023 • Yan Luo, Haoyi Duan, Ye Liu, Fu-Lai Chung
In this paper, we revisit the problem of location recommendation and point out that explicitly modeling temporal information is a great help when the model needs to predict not only the next location but also further locations.
no code implementations • 22 Mar 2023 • Yan Luo, Ye Liu, Fu-Lai Chung, Yu Liu, Chang Wen Chen
History encoder is designed to model mobility patterns from historical check-in sequences, while query generator explicitly learns user preferences to generate user-specific intention queries.
1 code implementation • 21 Sep 2022 • Shuang Zhou, Xiao Huang, Ninghao Liu, Fu-Lai Chung, Long-Kai Huang
In this paper, we base on the phenomenon and propose a general and novel research problem of generalized graph anomaly detection that aims to effectively identify anomalies on both the training-domain graph and unseen testing graph to eliminate potential dangers.
1 code implementation • SIAM International Conference on Data Mining 2022 • Shuang Zhou, Xiao Huang, Ninghao Liu, Qiaoyu Tan, Fu-Lai Chung
Network anomaly detection is a crucial task since a few anomalies can cause huge losses.
1 code implementation • Proceedings of the 30th ACM International Conference on Information & Knowledge Management 2021 • Shuang Zhou, Qiaoyu Tan, Zhiming Xu, Xiao Huang, Fu-Lai Chung
It aims to detect nodes that significantly deviate from their corresponding background.
1 code implementation • ICML Workshop AutoML 2021 • Jiaxin Chen, Li-Ming Zhan, Xiao-Ming Wu, Fu-Lai Chung
Many meta-learning algorithms can be formulated into an interleaved process, in the sense that task-specific predictors are learned during inner-task adaptation and meta-parameters are updated during meta-update.
1 code implementation • NeurIPS 2020 • Jiaxin Chen, Xiao-Ming Wu, Yanke Li, Qimai Li, Li-Ming Zhan, Fu-Lai Chung
The support/query (S/Q) episodic training strategy has been widely used in modern meta-learning algorithms and is believed to improve their generalization ability to test environments.
no code implementations • 4 Nov 2020 • Sitong Mao, Xiao Shen, Fu-Lai Chung
Open set domain adaptation refers to the scenario that the target domain contains categories that do not exist in the source domain.
no code implementations • 4 Nov 2020 • Sitong Mao, Keli Zhang, Fu-Lai Chung
Under the settings of MSDA, different categories of the source dataset are not all collected from the same domain(s).
no code implementations • 9 Oct 2020 • Sitong Mao, Jiaxin Chen, Xiao Shen, Fu-Lai Chung
In this paper, a deep adversarial domain adaptation model based on a multi-layer joint kernelized distance metric is proposed.
1 code implementation • 4 Jun 2020 • Xiao Shen, Quanyu Dai, Sitong Mao, Fu-Lai Chung, Kup-Sze Choi
On the other hand, node attributes and labels are leveraged to capture the proximities between nodes across different networks by making the same labeled nodes across networks have aligned latent vector representations.
2 code implementations • 18 Feb 2020 • Xiao Shen, Quanyu Dai, Fu-Lai Chung, Wei Lu, Kup-Sze Choi
This motivates us to propose an adversarial cross-network deep network embedding (ACDNE) model to integrate adversarial domain adaptation with deep network embedding so as to learn network-invariant node representations that can also well preserve the network structural information.
1 code implementation • 26 Dec 2019 • Jiaxin Chen, Li-Ming Zhan, Xiao-Ming Wu, Fu-Lai Chung
In this paper, we recast metric-based meta-learning from a Bayesian perspective and develop a variational metric scaling framework for learning a proper metric scaling parameter.
1 code implementation • 22 Jan 2019 • Xiao Shen, Quanyu Dai, Sitong Mao, Fu-Lai Chung, Kup-Sze Choi
On the other hand, node attributes and labels are leveraged to capture the proximities between nodes across different networks by making the same labeled nodes across networks have aligned latent vector representations.
Social and Information Networks
1 code implementation • 7 Jan 2019 • Xiao Shen, Fu-Lai Chung
As an effective approach to solve graph mining problems, network embedding aims to learn a low-dimensional feature vector representation for each node of a given network.
no code implementations • 5 Sep 2015 • Wenhao Jiang, Cheng Deng, Wei Liu, Feiping Nie, Fu-Lai Chung, Heng Huang
Domain adaptation problems arise in a variety of applications, where a training dataset from the \textit{source} domain and a test dataset from the \textit{target} domain typically follow different distributions.
no code implementations • 19 Sep 2014 • Zhaohong Deng, Yizhang Jiang, Fu-Lai Chung, Hisao Ishibuchi, Kup-Sze Choi, Shitong Wang
Specifically, the idea of leveraging knowledge from the source domain is exploited to develop a set of transfer prototype based fuzzy clustering (TPFC) algorithms.