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Various approaches have been proposed for providing efficient computational approaches for abstract argumentation. Among them, neural networks have permitted to solve various decision problems, notably related to arguments (credulous or…

Artificial Intelligence · Computer Science 2024-09-26 Paul Cibier , Jean-Guy Mailly

The dominant text classification studies focus on training classifiers using textual instances only or introducing external knowledge (e.g., hand-craft features and domain expert knowledge). In contrast, some corpus-level statistical…

Computation and Language · Computer Science 2020-02-25 Xianming Li , Zongxi Li , Yingbin Zhao , Haoran Xie , Qing Li

Recently, Temporal Graph Neural Networks (TGNNs) have demonstrated state-of-the-art performance in various high-impact applications, including fraud detection and content recommendation. Despite the success of TGNNs, they are prone to the…

Machine Learning · Computer Science 2024-11-26 Gangda Deng , Hongkuan Zhou , Hanqing Zeng , Yinglong Xia , Christopher Leung , Jianbo Li , Rajgopal Kannan , Viktor Prasanna

Computerized Adaptive Testing(CAT) refers to an online system that adaptively selects the best-suited question for students with various abilities based on their historical response records. Most CAT methods only focus on the quality…

Information Retrieval · Computer Science 2023-10-12 Hangyu Wang , Ting Long , Liang Yin , Weinan Zhang , Wei Xia , Qichen Hong , Dingyin Xia , Ruiming Tang , Yong Yu

Trajectory prediction models in autonomous driving are vulnerable to perturbations from non-causal agents whose actions should not affect the ego-agent's behavior. Such perturbations can lead to incorrect predictions of other agents'…

Robotics · Computer Science 2026-05-19 Ehsan Ahmadi , Ray Mercurius , Soheil Alizadeh , Kasra Rezaee , Amir Rasouli

Click-Through Rate (CTR) prediction, a core task in recommendation systems, aims to estimate the probability of users clicking on items. Existing models predominantly follow a discriminative paradigm, which relies heavily on explicit…

Information Retrieval · Computer Science 2025-12-17 Mingjia Yin , Junwei Pan , Hao Wang , Ximei Wang , Shangyu Zhang , Jie Jiang , Defu Lian , Enhong Chen

Click-through rate (CTR) prediction plays a pivotal role in online advertising and recommender systems. Despite notable progress in modeling user preferences from historical behaviors, two key challenges persist. First, exsiting…

Information Retrieval · Computer Science 2026-01-27 Kesha Ou , Zhen Tian , Wayne Xin Zhao , Hongyu Lu , Ji-Rong Wen

Since clicks usually contain heavy noise, increasing research efforts have been devoted to modeling implicit negative user behaviors (i.e., non-clicks). However, they either rely on explicit negative user behaviors (e.g., dislikes) or…

Information Retrieval · Computer Science 2023-04-11 Ming Li , Naiyin Liu , Xiaofeng Pan , Yang Huang , Ningning Li , Yingmin Su , Chengjun Mao , Bo Cao

Graph Neural Networks (GNN) have been shown to work effectively for modeling graph structured data to solve tasks such as node classification, link prediction and graph classification. There has been some recent progress in defining the…

Machine Learning · Computer Science 2020-02-04 Ekagra Ranjan , Soumya Sanyal , Partha Pratim Talukdar

Trajectory prediction aims to predict the movement trend of the agents like pedestrians, bikers, vehicles. It is helpful to analyze and understand human activities in crowded spaces and widely applied in many areas such as surveillance…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Beihao Xia , Conghao Wong , Qinmu Peng , Wei Yuan , Xinge You

While the self-attention mechanism has been widely used in a wide variety of tasks, it has the unfortunate property of a quadratic cost with respect to the input length, which makes it difficult to deal with long inputs. In this paper, we…

Computation and Language · Computer Science 2020-09-30 Xiaoya Li , Yuxian Meng , Mingxin Zhou , Qinghong Han , Fei Wu , Jiwei Li

The problem of session-aware recommendation aims to predict users' next click based on their current session and historical sessions. Existing session-aware recommendation methods have defects in capturing complex item transition…

Information Retrieval · Computer Science 2021-01-28 Mengqi Zhang , Shu Wu , Meng Gao , Xin Jiang , Ke Xu , Liang Wang

Recent advances in machine learning have demonstrated an enormous utility of deep learning approaches, particularly Graph Neural Networks (GNNs) for materials science. These methods have emerged as powerful tools for high-throughput…

Computational Physics · Physics 2025-05-23 Junchi Liu , Ying Tang , Sergei Tretiak , Wenhui Duan , Liujiang Zhou

The Tactical Driver Behavior modeling problem requires understanding of driver actions in complicated urban scenarios from a rich multi modal signals including video, LiDAR and CAN bus data streams. However, the majority of deep learning…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Athma Narayanan , Avinash Siravuru , Behzad Dariush

Multimodal sentiment analysis (MSA) leverages information fusion from diverse modalities (e.g., text, audio, visual) to enhance sentiment prediction. However, simple fusion techniques often fail to account for variations in modality…

Machine Learning · Computer Science 2025-10-03 Han Wu , Yanming Sun , Yunhe Yang , Derek F. Wong

With the rapid emergence of multi-behavior learning in recommender systems, leveraging auxiliary user behaviors has proven effective for mitigating target-behavior data sparsity. Yet auxiliary behavior graphs frequently contain noisy or…

Information Retrieval · Computer Science 2026-05-26 Likang Wu , Zihao Chen , Jianxin Zhang , Sangqi Zhu , Yuanyuan Ge , Haipeng Yang , Lei Zhang

In order to improve the accuracy of cross-platform advertisement recommendation, a graph neural network (GNN)- based advertisement recommendation method is analyzed. Through multi-dimensional modeling, user behavior data (e.g., click…

Machine Learning · Computer Science 2025-07-15 Xiang Li , Xinyu Wang , Yifan Lin

Triple-based Iterative Retrieval-Augmented Generation (iRAG) mitigates document-level noise for multi-hop question answering. However, existing methods still face limitations: (i) greedy single-path expansion, which propagates early errors…

Computation and Language · Computer Science 2026-01-13 Zili Wei , Xiaocui Yang , Yilin Wang , Zihan Wang , Weidong Bao , Shi Feng , Daling Wang , Yifei Zhang

Graph neural networks (GNNs) have been widely applied in the recommendation tasks and have obtained very appealing performance. However, most GNN-based recommendation methods suffer from the problem of data sparsity in practice. Meanwhile,…

Information Retrieval · Computer Science 2021-12-15 Yiqi Wang , Chaozhuo Li , Zheng Liu , Mingzheng Li , Jiliang Tang , Xing Xie , Lei Chen , Philip S. Yu

Training large neural network (NN) models requires extensive memory resources, and Activation Compressed Training (ACT) is a promising approach to reduce training memory footprint. This paper presents GACT, an ACT framework to support a…

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