activity
20202023
most citedDepressionNet: A Novel Summarization Boosted Deep Framework for Depression Detection on Social Media

80 citations · 481 across the 41 of their papers we have counts for

collaborators

41 papers

cs.LG2023

Predicting Financial Literacy via Semi-supervised Learning

David Hason Rudd, Huan Huo, Guandong Xu

Financial literacy (FL) represents a person's ability to turn assets into income, and understanding digital currencies has been added to the modern definition. FL can be predicted…

cs.SD2023★ 16 cited

Leveraged Mel spectrograms using Harmonic and Percussive Components in Speech Emotion Recognition

David Hason Rudd, Huan Huo, Guandong Xu

Speech Emotion Recognition (SER) affective technology enables the intelligent embedded devices to interact with sensitivity. Similarly, call centre employees recognise customers' e…

cs.SD2023★ 9 cited

An Extended Variational Mode Decomposition Algorithm Developed Speech Emotion Recognition Performance

David Hason Rudd, Huan Huo, Guandong Xu

Emotion recognition (ER) from speech signals is a robust approach since it cannot be imitated like facial expression or text based sentiment analysis. Valuable information underlyi…

cs.IR2023

Towards Communication-Efficient Model Updating for On-Device Session-Based Recommendation

Xin Xia, Junliang Yu, Guandong Xu +1

On-device recommender systems recently have garnered increasing attention due to their advantages of providing prompt response and securing privacy. To stay current with evolving u…

cs.CL2023★ 6 cited

LLaMA-E: Empowering E-commerce Authoring with Object-Interleaved Instruction Following

Kaize Shi, Xueyao Sun, Dingxian Wang +3

E-commerce authoring entails creating engaging, diverse, and targeted content to enhance preference elicitation and retrieval experience. While Large Language Models (LLMs) have re…

cs.IR2023★ 2 cited

Counterfactual Explanation for Fairness in Recommendation

Xiangmeng Wang, Qian Li, Dianer Yu +2

Fairness-aware recommendation eliminates discrimination issues to build trustworthy recommendation systems.Explaining the causes of unfair recommendations is critical, as it promot…

cs.LG2023★ 12 cited

Improved Churn Causal Analysis Through Restrained High-Dimensional Feature Space Effects in Financial Institutions

David Hason Rudd, Huan Huo, Guandong Xu

Customer churn describes terminating a relationship with a business or reducing customer engagement over a specific period. Customer acquisition cost can be five to six times that…

cs.LG2023★ 8 cited

Causal Analysis of Customer Churn Using Deep Learning

David Hason Rudd, Huan Huo, Guandong Xu

Customer churn describes terminating a relationship with a business or reducing customer engagement over a specific period. Two main business marketing strategies play vital roles…

cs.IR2023★ 1 cited

Model-Agnostic Decentralized Collaborative Learning for On-Device POI Recommendation

Jing Long, Tong Chen, Nguyen Quoc Viet Hung +3

As an indispensable personalized service in Location-based Social Networks (LBSNs), the next Point-of-Interest (POI) recommendation aims to help people discover attractive and inte…

cs.LG2023★ 1 cited

CeFlow: A Robust and Efficient Counterfactual Explanation Framework for Tabular Data using Normalizing Flows

Tri Dung Duong, Qian Li, Guandong Xu

Counterfactual explanation is a form of interpretable machine learning that generates perturbations on a sample to achieve the desired outcome. The generated samples can act as ins…

cs.LG2023

Achieving Counterfactual Fairness with Imperfect Structural Causal Model

Tri Dung Duong, Qian Li, Guandong Xu

Counterfactual fairness alleviates the discrimination between the model prediction toward an individual in the actual world (observational data) and that in counterfactual world (i…

cs.SI2023★ 2 cited

Self-supervised Hypergraph Representation Learning for Sociological Analysis

Xiangguo Sun, Hong Cheng, Bo Liu +4

Modern sociology has profoundly uncovered many convincing social criteria for behavioural analysis. Unfortunately, many of them are too subjective to be measured and presented in o…

cs.CY2022

Being Automated or Not? Risk Identification of Occupations with Graph Neural Networks

Dawei Xu, Haoran Yang, Marian-Andrei Rizoiu +1

The rapid advances in automation technologies, such as artificial intelligence (AI) and robotics, pose an increasing risk of automation for occupations, with a likely significant i…

cs.IR2022★ 1 cited

Reinforced Path Reasoning for Counterfactual Explainable Recommendation

Xiangmeng Wang, Qian Li, Dianer Yu +1

Counterfactual explanations interpret the recommendation mechanism via exploring how minimal alterations on items or users affect the recommendation decisions. Existing counterfact…

cs.LG2022★ 3 cited

Mitigating the Performance Sacrifice in DP-Satisfied Federated Settings through Graph Contrastive Learning

Haoran Yang, Xiangyu Zhao, Muyang Li +2

Currently, graph learning models are indispensable tools to help researchers explore graph-structured data. In academia, using sufficient training data to optimize a graph model on…

cs.LG2022★ 31 cited

Generating Counterfactual Hard Negative Samples for Graph Contrastive Learning

Haoran Yang, Hongxu Chen, Sixiao Zhang +4

Graph contrastive learning has emerged as a powerful tool for unsupervised graph representation learning. The key to the success of graph contrastive learning is to acquire high-qu…

cs.IR2022

On-Device Next-Item Recommendation with Self-Supervised Knowledge Distillation

Xin Xia, Hongzhi Yin, Junliang Yu +3

Modern recommender systems operate in a fully server-based fashion. To cater to millions of users, the frequent model maintaining and the high-speed processing for concurrent user…

cs.LG2022★ 58 cited

Dual Space Graph Contrastive Learning

Haoran Yang, Hongxu Chen, Shirui Pan +3

Unsupervised graph representation learning has emerged as a powerful tool to address real-world problems and achieves huge success in the graph learning domain. Graph contrastive l…

cs.CL2022★ 2 cited

DialMed: A Dataset for Dialogue-based Medication Recommendation

Zhenfeng He, Yuqiang Han, Zhenqiu Ouyang +4

Medication recommendation is a crucial task for intelligent healthcare systems. Previous studies mainly recommend medications with electronic health records (EHRs). However, some d…

cs.SE2022★ 16 cited

What Do They Capture? -- A Structural Analysis of Pre-Trained Language Models for Source Code

Yao Wan, Wei Zhao, Hongyu Zhang +3

Recently, many pre-trained language models for source code have been proposed to model the context of code and serve as a basis for downstream code intelligence tasks such as code…

cs.IR2022★ 12 cited

Causal Disentanglement for Semantics-Aware Intent Learning in Recommendation

Xiangmeng Wang, Qian Li, Dianer Yu +3

Traditional recommendation models trained on observational interaction data have generated large impacts in a wide range of applications, it faces bias problems that cover users' t…

cs.LG2022★ 11 cited

Graph Masked Autoencoders with Transformers

Sixiao Zhang, Hongxu Chen, Haoran Yang +3

Recently, transformers have shown promising performance in learning graph representations. However, there are still some challenges when applying transformers to real-world scenari…

cs.LG2022★ 44 cited

Unsupervised Graph Poisoning Attack via Contrastive Loss Back-propagation

Sixiao Zhang, Hongxu Chen, Xiangguo Sun +2

Graph contrastive learning is the state-of-the-art unsupervised graph representation learning framework and has shown comparable performance with supervised approaches. However, ev…

cs.SE2022

Cross-Language Binary-Source Code Matching with Intermediate Representations

Yi Gui, Yao Wan, Hongyu Zhang +5

Binary-source code matching plays an important role in many security and software engineering related tasks such as malware detection, reverse engineering and vulnerability assessm…