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- research-articleDecember 2024
Exploring Dataset Bias and Scaling Techniques in Multi-Source Gait Biomechanics: An Explainable Machine Learning Approach
- research-articleDecember 2024
A Federated Social Recommendation Approach with Enhanced Hypergraph Neural Network
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 16, Issue 1Article No.: 13, Pages 1–23https://doi.org/10.1145/3665931In recent years, the development of online social network platforms has led to increased research efforts in social recommendation systems. Unlike traditional recommendation systems, social recommendation systems utilize both user-item interactions and ...
- research-articleDecember 2024JUST ACCEPTED
Robust Learning under Hybrid Noise
ACM Transactions on Intelligent Systems and Technology (TIST), Just Accepted https://doi.org/10.1145/3709149Feature noise and label noise are ubiquitous in practical scenarios, which pose great challenges for training a robust machine learning model. Most previous approaches usually deal with only a single problem of either feature noise or label noise. However,...
- research-articleDecember 2024
OptiRet-Net: An Optimized Low-Light Image Enhancement Technique for CV-Based Applications in Resource-Constrained Environments
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 6Article No.: 133, Pages 1–30https://doi.org/10.1145/3700136The illumination of images can significantly impact computer-vision applications such as image classification, multiple object detection, and tracking, leading to a significant decline in detection and tracking accuracy. Recent advancements in deep ...
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- research-articleDecember 2024
Question-Attentive Review-Level Explanation for Neural Rating Regression
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 6Article No.: 132, Pages 1–25https://doi.org/10.1145/3699516Recommendation explanations help to improve their acceptance by end users. Explanations come in many different forms. One that is of interest here is presenting an existing review of the recommended item as the explanation. The challenge is in selecting a ...
- research-articleDecember 2024
Few Images, Many Insights: Illicit Content Detection Using a Limited Number of Images
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 6Article No.: 130, Pages 1–26https://doi.org/10.1145/3696458The anonymity and untraceability benefits of the dark web increased its popularity exponentially. The cost of these technical benefits is that such anonymity has created a suitable womb for illicit activity. Hence—in collaboration with cybersecurity ...
- research-articleDecember 2024
Adversarial Missingness Attacks on Causal Structure Learning
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 6Article No.: 119, Pages 1–60https://doi.org/10.1145/3682065Causality-informed machine learning has been proposed as an avenue for achieving many of the goals of modern machine learning, from ensuring generalization under domain shifts to attaining fairness, robustness, and interpretability. A key component of ...
- research-articleDecember 2024JUST ACCEPTED
Heterogeneous Graph Neural Networks using Self-supervised Reciprocally Contrastive Learning
ACM Transactions on Intelligent Systems and Technology (TIST), Just Accepted https://doi.org/10.1145/3706115Heterogeneous graph neural network (HGNN) is a popular technique for modeling and analyzing heterogeneous graphs. Most existing HGNN-based approaches are supervised or semi-supervised learning methods requiring graphs to be annotated, which is costly and ...
- research-articleOctober 2024
Teacher-Student Framework for Polyphonic Semi-supervised Sound Event Detection: Survey and Empirical Analysis
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 5Article No.: 90, Pages 1–44https://doi.org/10.1145/3660641Polyphonic sound event detection refers to the task of automatically identifying sound events occurring simultaneously in an auditory scene. Due to the inherent complexity and variability of real-world auditory scenes, building robust detectors for ...
- research-articleJune 2024
CGKPN: Cross-Graph Knowledge Propagation Network with Adaptive Connection for Reasoning-Based Machine Reading Comprehension
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 4Article No.: 70, Pages 1–24https://doi.org/10.1145/3658673The task of machine reading comprehension (MRC) is to enable machine to read and understand a piece of text and then answer the corresponding question correctly. This task requires machine to not only be able to perform semantic understanding but also ...
- research-articleMay 2024
Quintuple-based Representation Learning for Bipartite Heterogeneous Networks
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 3Article No.: 61, Pages 1–19https://doi.org/10.1145/3653978Recent years have seen rapid progress in network representation learning, which removes the need for burdensome feature engineering and facilitates downstream network-based tasks. In reality, networks often exhibit heterogeneity, which means there may ...
- research-articleApril 2024
MHGCN+: Multiplex Heterogeneous Graph Convolutional Network
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 3Article No.: 51, Pages 1–25https://doi.org/10.1145/3650046Heterogeneous graph convolutional networks have gained great popularity in tackling various network analytical tasks on heterogeneous graph data, ranging from link prediction to node classification. However, most existing works ignore the relation ...
- research-articleApril 2024
Advancing Attribution-Based Neural Network Explainability through Relative Absolute Magnitude Layer-Wise Relevance Propagation and Multi-Component Evaluation
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 3Article No.: 47, Pages 1–30https://doi.org/10.1145/3649458Recent advancement in deep-neural network performance led to the development of new state-of-the-art approaches in numerous areas. However, the black-box nature of neural networks often prohibits their use in areas where model explainability and model ...
- research-articleMarch 2024
Guidelines for the Regularization of Gammas in Batch Normalization for Deep Residual Networks
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 3Article No.: 44, Pages 1–20https://doi.org/10.1145/3643860L2 regularization for weights in neural networks is widely used as a standard training trick. In addition to weights, the use of batch normalization involves an additional trainable parameter γ, which acts as a scaling factor. However, L2 regularization ...
- research-articleMarch 2024
SiG: A Siamese-Based Graph Convolutional Network to Align Knowledge in Autonomous Transportation Systems
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 2Article No.: 37, Pages 1–20https://doi.org/10.1145/3643861Domain knowledge is gradually renovating its attributes to exhibit distinct features in autonomy, propelled by the shift of modern transportation systems (TS) toward autonomous TS (ATS) comprising three progressive generations. The knowledge graph (KG) ...
- research-articleMarch 2024
Temporal Implicit Multimodal Networks for Investment and Risk Management
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 2Article No.: 38, Pages 1–25https://doi.org/10.1145/3643855Many deep learning works on financial time-series forecasting focus on predicting future prices/returns of individual assets with numerical price-related information for trading, and hence propose models designed for univariate, single-task, and/or ...
- research-articleJanuary 2024
Reconstructing Turbulent Flows Using Spatio-temporal Physical Dynamics
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 1Article No.: 17, Pages 1–18https://doi.org/10.1145/3637491Accurate simulation of turbulent flows is of crucial importance in many branches of science and engineering. Direct numerical simulation (DNS) provides the highest fidelity means of capturing all intricate physics of turbulent transport. However, the ...