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Causal representation learning has attracted significant research interest during the past few years, as a means for improving model generalization and robustness. Causal representations of interventional image pairs (also called…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Panagiotis Alimisis , Christos Diou

Continual learning is essential for adapting models to new tasks while retaining previously acquired knowledge. While existing approaches predominantly focus on uni-modal data, multi-modal learning offers substantial benefits by utilizing…

Machine Learning · Computer Science 2025-11-11 Evelyn Chee , Wynne Hsu , Mong Li Lee

Representation learning based on multi-task pretraining has become a powerful approach in many domains. In particular, task-aware representation learning aims to learn an optimal representation for a specific target task by sampling data…

Machine Learning · Computer Science 2023-06-16 Yifang Chen , Yingbing Huang , Simon S. Du , Kevin Jamieson , Guanya Shi

Learning vectorized embeddings is at the core of various recommender systems for user-item matching. To perform efficient online inference, representation quantization, aiming to embed the latent features by a compact sequence of discrete…

Information Retrieval · Computer Science 2022-06-07 Yankai Chen , Huifeng Guo , Yingxue Zhang , Chen Ma , Ruiming Tang , Jingjie Li , Irwin King

The ability to sequentially learn multiple tasks without forgetting is a key skill of biological brains, whereas it represents a major challenge to the field of deep learning. To avoid catastrophic forgetting, various continual learning…

Neural and Evolutionary Computing · Computer Science 2022-12-09 Francesco Lässig , Pau Vilimelis Aceituno , Martino Sorbaro , Benjamin F. Grewe

Conceptual modeling (CM) applies abstraction to reduce the complexity of a system under study (e.g., an excerpt of reality). As a result of the conceptual modeling process a human interpretable, formalized representation (i.e., a conceptual…

Artificial Intelligence · Computer Science 2021-10-19 Dominik Bork

Knowledge Tracing (KT), tracking a human's knowledge acquisition, is a central component in online learning and AI in Education. In this paper, we present a simple, yet effective strategy to improve the generalization ability of KT models:…

Machine Learning · Computer Science 2021-05-04 Seewoo Lee , Youngduck Choi , Juneyoung Park , Byungsoo Kim , Jinwoo Shin

Deep learning has shown promise in enhancing channel state information (CSI) feedback. However, many studies indicate that better feedback performance often accompanies higher computational complexity. Pursuing better performance-complexity…

Signal Processing · Electrical Eng. & Systems 2024-03-05 Yiming Cui , Jiajia Guo , Zheng Cao , Huaze Tang , Chao-Kai Wen , Shi Jin , Xin Wang , Xiaolin Hou

Model-based representations recently stand out as a promising framework that embeds latent dynamics information into the representations for downstream off-policy actor-critic learning. It implicitly combines the advantages of both…

Machine Learning · Computer Science 2026-05-13 Jiafei Lyu , Zichuan Lin , Scott Fujimoto , Kai Yang , Yangkun Chen , Saiyong Yang , Zongqing Lu , Deheng Ye

Learning auxiliary tasks, such as multiple predictions about the world, can provide many benefits to reinforcement learning systems. A variety of off-policy learning algorithms have been developed to learn such predictions, but as yet there…

Machine Learning · Computer Science 2022-02-24 Matthew McLeod , Chunlok Lo , Matthew Schlegel , Andrew Jacobsen , Raksha Kumaraswamy , Martha White , Adam White

The instance discrimination paradigm has become dominant in unsupervised learning. It always adopts a teacher-student framework, in which the teacher provides embedded knowledge as a supervision signal for the student. The student learns…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Weixin Feng , Yuanjiang Wang , Lihua Ma , Ye Yuan , Chi Zhang

Knowledge Tracing (KT) aims to trace changes in students' knowledge states throughout their entire learning process by analyzing their historical learning data and predicting their future learning performance. Existing forgetting curve…

Artificial Intelligence · Computer Science 2024-04-26 Shanshan Wang , Ying Hu , Xun Yang , Zhongzhou Zhang , Keyang Wang , Xingyi Zhang

Knowledge tracing is a fundamental task in the computer-aid educational system. In this paper, we propose a hierarchical exercise feature enhanced knowledge tracing framework, which could enhance the ability of knowledge tracing by…

Computers and Society · Computer Science 2020-11-20 Hanshuang Tong , Yun Zhou , Zhen Wang

Student assessment is one of the most fundamental tasks in the field of AI Education (AIEd). One of the most common approach to student assessment is Knowledge Tracing (KT), which evaluates a student's knowledge state by predicting whether…

Computers and Society · Computer Science 2022-05-02 Suyeong An , Junghoon Kim , Minsam Kim , Juneyoung Park

With the rapid growth of the scientific literature, manually selecting appropriate citations for a paper is becoming increasingly challenging and time-consuming. While several approaches for automated citation recommendation have been…

Computation and Language · Computer Science 2020-07-09 Binh Thanh Kieu , Inigo Jauregi Unanue , Son Bao Pham , Hieu Xuan Phan , Massimo Piccardi

Deep learning models exhibit a preference for statistical fitting over logical reasoning. Spurious correlations might be memorized when there exists statistical bias in training data, which severely limits the model performance especially…

Machine Learning · Computer Science 2021-09-13 Wei Wang , Boxin Wang , Ning Shi , Jinfeng Li , Bingyu Zhu , Xiangyu Liu , Rong Zhang

We introduce advocacy learning, a novel supervised training scheme for attention-based classification problems. Advocacy learning relies on a framework consisting of two connected networks: 1) $N$ Advocates (one for each class), each of…

Machine Learning · Computer Science 2019-08-08 Ian Fox , Jenna Wiens

We propose a new ternary spiking neuron model to improve the representation capacity of binary spiking neurons in deep Q-learning. Although a ternary neuron model has recently been introduced to overcome the limited representation capacity…

Machine Learning · Computer Science 2025-06-05 Aref Ghoreishee , Abhishek Mishra , John Walsh , Anup Das , Nagarajan Kandasamy

Computational models are quantitative representations of systems. By analyzing and comparing the outputs of such models, it is possible to gain a better understanding of the system itself. Though as the complexity of model outputs…

Machine Learning · Computer Science 2022-12-13 Colin G. Cess , Stacey D. Finley

Causal representation learning (CRL) offers the promise of uncovering the underlying causal model by which observed data was generated, but the practical applicability of existing methods remains limited by the strong assumptions required…

Machine Learning · Computer Science 2026-01-30 Yuhang Liu , Zhen Zhang , Dong Gong , Erdun Gao , Biwei Huang , Mingming Gong , Anton van den Hengel , Kun Zhang , Javen Qinfeng Shi