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- research-articleJuly 2023
An Ensemble Learning Approach with Gradient Resampling for Class-Imbalance Problems
INFORMS Journal on Computing (INFORMS-IJOC), Volume 35, Issue 4Pages 747–763https://doi.org/10.1287/ijoc.2023.1274Imbalanced classification is widely referred in many real-world applications and has been extensively studied. Most existing algorithms consider alleviating the imbalance by sampling or guiding ensemble learners with punishments. The combination of ...
- research-articleJuly 2023
Multi-Faceted Knowledge-Driven Pre-Training for Product Representation Learning
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 7Pages 7239–7250https://doi.org/10.1109/TKDE.2022.3200921As a key component of e-commerce computing, product representation learning (PRL) provides benefits for a variety of applications, including product matching, search, and categorization. The existing PRL approaches have poor language understanding ability ...
- research-articleJuly 2023
Modeling Multiple Views via Implicitly Preserving Global Consistency and Local Complementarity
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 7Pages 7220–7238https://doi.org/10.1109/TKDE.2022.3198746While self-supervised learning techniques are often used to mine hidden knowledge from unlabeled data via modeling multiple views, it is unclear how to perform effective representation learning in a complex and inconsistent context. To this end, we ...
- research-articleJuly 2023
Time-Aware Context-Gated Graph Attention Network for Clinical Risk Prediction
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 7Pages 7557–7568https://doi.org/10.1109/TKDE.2022.3181780Clinical risk prediction based on Electronic Health Records (EHR) can assist doctors in better judgment and can make sense of early diagnosis. However, the prediction performance heavily relies on effective representations from multi-dimensional time-...
- research-articleJune 2023
GS-RS: A Generative Approach for Alleviating Cold Start and Filter Bubbles in Recommender Systems<inline-formula><tex-math notation="LaTeX"/><alternatives><mml:math><mml:msup><mml:mrow/><mml:mn/></mml:msup></mml:math><inline-graphic xlink:href="xu-ieq1-3290140.gif"/></alternatives></inline-formula>
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 36, Issue 2Pages 668–681https://doi.org/10.1109/TKDE.2023.3290140Recommender Systems (RSs) typically face the cold-start problem and the filter-bubble problem when users suffer the familiar, repeated, and even predictable recommendations, making them bored and unsatisfied. The key to solving these issues is learning ...
- research-articleJune 2023
Hierarchical Wi-Fi Trajectory Embedding for Indoor User Mobility Pattern Analysis
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 7, Issue 2Article No.: 82, Pages 1–21https://doi.org/10.1145/3596237The recent advances in smart building technologies have enabled us to collect massive Wi-Fi network based trajectory data, which provide an unparalleled opportunity for understanding the indoor user mobility pattern and enabling a wide range of business ...
- research-articleJune 2023
FedHAR: Semi-Supervised Online Learning for Personalized Federated Human Activity Recognition
IEEE Transactions on Mobile Computing (ITMV), Volume 22, Issue 6Pages 3318–3332https://doi.org/10.1109/TMC.2021.3136853The advancement of smartphone sensors and wearable devices has enabled a new paradigm for smart human activity recognition (HAR), which has a broad range of applications in healthcare and smart cities. However, there are four challenges, <italic>privacy ...
- research-articleJune 2023
RLCharge: Imitative Multi-Agent Spatiotemporal Reinforcement Learning for Electric Vehicle Charging Station Recommendation
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 6Pages 6290–6304https://doi.org/10.1109/TKDE.2022.3178819Electric Vehicle (EV) has become a preferable choice in the modern transportation system due to its environmental and energy sustainability. However, in many large cities, EV drivers often fail to find the proper spots for charging, because of the limited ...
- research-articleJune 2023
What is Market Talking About? Market-Oriented Prospect Analysis for Entrepreneur Fundraising
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 6Pages 6489–6503https://doi.org/10.1109/TKDE.2022.3174336In recent decades, innovation and entrepreneurship have become buzz words. With entrepreneurial projects emerging in large numbers every day, the common intention of all investors, i.e., putting every penny into good entrepreneurial projects, is becoming ...
- research-articleJune 2023
Heterogeneous Graph Representation Learning With Relation Awareness
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 6Pages 5935–5947https://doi.org/10.1109/TKDE.2022.3160208Representation learning on heterogeneous graphs aims to obtain meaningful node representations to facilitate various downstream tasks, such as node classification and link prediction. Existing heterogeneous graph learning methods are primarily developed ...
- research-articleJune 2023
Polestar++: An Intelligent Routing Engine for National-Wide Public Transportation
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 6Pages 6194–6208https://doi.org/10.1109/TKDE.2022.3153711Public transportation plays a critical role in people's daily life. It has been proven that public transportation is more environmentally sustainable, efficient, and economical than any other forms of travel. However, due to the increasing ...
- research-articleMay 2023
Graph-Grounded Goal Planning for Conversational Recommendation
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 5Pages 4923–4939https://doi.org/10.1109/TKDE.2022.3147210Conversational recommendation casts the recommendation problem as a dialog-based interactive task, which could acquire user interest more efficiently and effectively by allowing users to express what they like. In this work, we move a step towards a new ...
- research-articleMay 2023
Towards Automatic Job Description Generation With Capability-Aware Neural Networks
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 5Pages 5341–5355https://doi.org/10.1109/TKDE.2022.3145396A job description shows the responsibilities of the job position and the skill requirements for the job. An effective job description will help employers to identify the right talents for the job, and give a clear understanding to candidates of what their ...
- research-articleMay 2023
Expanding the prediction capacity in long sequence time-series forecasting
AbstractMany real-world applications show growing demand for the prediction of long sequence time-series, such as electricity consumption planning. Long sequence time-series forecasting (LSTF) requires a higher prediction capacity of the model, which is ...
- research-articleApril 2023
Reinforced Imitative Graph Learning for Mobile User Profiling
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 12Pages 12944–12957https://doi.org/10.1109/TKDE.2023.3270238Mobile user profiling refers to the efforts of extracting users’ characteristics from mobile activities. In order to capture the dynamic varying of user characteristics for generating effective user profiling, we propose an imitation-based mobile ...
- research-articleApril 2023
Bearing fault diagnosis under various conditions using an incremental learning-based multi-task shared classifier
AbstractRolling bearings are susceptible to failure because of their complex and severe working environments. Deep learning-driven intelligent fault diagnosis methods have been widely introduced and exhibit satisfactory performance. However, ...
Highlights- We develop an incremental learning-based multi-task shared classifier (IL-MTSC) for bearing fault diagnosis.
- research-articleApril 2023
MANE: Organizational Network Embedding With Multiplex Attentive Neural Networks
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 4Pages 4047–4061https://doi.org/10.1109/TKDE.2022.3140866Every organization has organizational networks for exchange of ideas and information. It is believed that organizational network analysis (ONA) can help the business be more effective. While considerable research efforts have been made for visualizing and ...
- research-articleApril 2023
Cost-Effective Incremental Deep Model: Matching Model Capacity With the Least Sampling
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 4Pages 3575–3588https://doi.org/10.1109/TKDE.2021.3132622Most existing approaches often utilize the pre-fixed structure and large number of labeled data for training complex deep models, which are difficult to implement on incremental scenarios. As a matter of fact, real-world data is always in stream form. ...
- research-articleApril 2023
Towards Robust Knowledge Graph Embedding via Multi-Task Reinforcement Learning
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 35, Issue 4Pages 4321–4334https://doi.org/10.1109/TKDE.2021.3127951Nowadays, Knowledge graphs (KGs) have been playing a pivotal role in AI-related applications. Despite the large sizes, existing KGs are far from complete and comprehensive. In order to continuously enrich KGs, automatic knowledge construction and update ...
- research-articleMarch 2023
Topic-sensitive expert finding based solely on heterogeneous academic networks
Expert Systems with Applications: An International Journal (EXWA), Volume 213, Issue PChttps://doi.org/10.1016/j.eswa.2022.119241AbstractIdentifying experts in a specific research field is an essential and practical task in academia and industry. Although some efforts have been attempted for expert finding, they rely on abundant text mining to reveal the target research ...
Highlights- An expert finding task is reformulated based solely on academic network.
- This ...