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Disentangled representation learning remains challenging as the underlying factors of variation in the data do not naturally exist. The inherent complexity of real-world data makes it unfeasible to exhaustively enumerate and encapsulate all…

Computation and Language · Computer Science 2024-02-13 Jiawei Zhou , Xiaoguang Li , Lifeng Shang , Xin Jiang , Qun Liu , Lei Chen

Social recommendation systems face the problem of social influence bias, which can lead to an overemphasis on recommending items that friends have interacted with. Addressing this problem is crucial, and existing methods often rely on…

Social and Information Networks · Computer Science 2024-03-07 Li Wang , Min Xu , Quangui Zhang , Yunxiao Shi , Qiang Wu

Reinforcement Learning (RL) is a learning paradigm in which the agent learns from its environment through trial and error. Deep reinforcement learning (DRL) algorithms represent the agent's policies using neural networks, making their…

Artificial Intelligence · Computer Science 2024-09-10 Jasmina Gajcin , Jovan Jeromela , Ivana Dusparic

Cross-domain Sequential Recommendation (CSR) which leverages user sequence data from multiple domains has received extensive attention in recent years. However, the existing CSR methods require sharing origin user data across domains, which…

Machine Learning · Computer Science 2024-04-26 Hongyu Zhang , Dongyi Zheng , Xu Yang , Jiyuan Feng , Qing Liao

For recommender systems in internet platforms, search activities provide additional insights into user interest through query-click interactions with items, and are thus widely used for enhancing personalized recommendation. However, these…

Information Retrieval · Computer Science 2024-12-02 Jiajun Cui , Xu Chen , Shuai Xiao , Chen Ju , Jinsong Lan , Qingwen Liu , Wei Zhang

Session-based recommendation systems(SBRS) are more suitable for the current e-commerce and streaming media recommendation scenarios and thus have become a hot topic. The data encountered by SBRS is typically highly sparse, which also…

Information Retrieval · Computer Science 2023-08-31 Zihan Wang , Gang Wu , Haotong Wang

In a practical recommender system, new interactions are continuously observed. Some interactions are expected, because they largely follow users' long-term preferences. Some other interactions are indications of recent trends in user…

Information Retrieval · Computer Science 2023-05-08 Yitong Ji , Aixin Sun , Jie Zhang

Recent advancements in Model-Based Reinforcement Learning (MBRL) have made it a powerful tool for visual control tasks. Despite improved data efficiency, it remains challenging to train MBRL agents with generalizable perception. Training in…

Machine Learning · Computer Science 2024-10-15 Kyungmin Kim , JB Lanier , Pierre Baldi , Charless Fowlkes , Roy Fox

Deep reinforcement learning (DRL) has gained great success by learning directly from high-dimensional sensory inputs, yet is notorious for the lack of interpretability. Interpretability of the subtasks is critical in hierarchical…

Artificial Intelligence · Computer Science 2019-03-01 Daoming Lyu , Fangkai Yang , Bo Liu , Steven Gustafson

We introduce Shielded RecRL, a reinforcement learning approach to generate personalized explanations for recommender systems without sacrificing the system's original ranking performance. Unlike prior RLHF-based recommender methods that…

Information Retrieval · Computer Science 2026-01-08 Ansh Tiwari , Ayush Chauhan

Disentangled representation learning aims to capture the underlying explanatory factors of observed data, enabling a principled understanding of the data-generating process. Recent advances in generative modeling have introduced new…

Machine Learning · Computer Science 2026-05-12 Jinjin Chi , Taoping Liu , Mengtao Yin , Ximing Li , Yongcheng Jing , Jialie Shen , Leszek Rutkowski , Dacheng Tao

Domain adaptation aims to exploit the knowledge in source domain to promote the learning tasks in target domain, which plays a critical role in real-world applications. Recently, lots of deep learning approaches based on autoencoders have…

Machine Learning · Computer Science 2019-11-01 Shuai Yang , Hao Wang , Yuhong Zhang , Pei-Pei Li , Yi Zhu , Xuegang Hu

In representation learning, a disentangled representation is highly desirable as it encodes generative factors of data in a separable and compact pattern. Researchers have advocated leveraging disentangled representations to complete…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Ruiqian Nai , Zixin Wen , Ji Li , Yuanzhi Li , Yang Gao

Attempting to fully exploit the rich information of topological structure and node features for attributed graph, we introduce self-supervised learning mechanism to graph representation learning and propose a novel Self-supervised Consensus…

Social and Information Networks · Computer Science 2021-08-12 Changshu Liu , Liangjian Wen , Zhao Kang , Guangchun Luo , Ling Tian

Finding a generally accepted formal definition of a disentangled representation in the context of an agent behaving in an environment is an important challenge towards the construction of data-efficient autonomous agents. Higgins et al.…

Machine Learning · Computer Science 2019-09-20 Hugo Caselles-Dupré , Michael Garcia-Ortiz , David Filliat

Domain adaptation is an important but challenging task. Most of the existing domain adaptation methods struggle to extract the domain-invariant representation on the feature space with entangling domain information and semantic information.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Ruichu Cai , Zijian Li , Pengfei Wei , Jie Qiao , Kun Zhang , Zhifeng Hao

The popular frameworks for self-supervised learning of speech representations have largely focused on frame-level masked prediction of speech regions. While this has shown promising downstream task performance for speech recognition and…

Computation and Language · Computer Science 2025-07-22 Varun Krishna , Sriram Ganapathy

The careful construction of audio representations has become a dominant feature in the design of approaches to many speech tasks. Increasingly, such approaches have emphasized "disentanglement", where a representation contains only parts of…

Generative recommendation is emerging as a powerful paradigm that directly generates item predictions, moving beyond traditional matching-based approaches. However, current methods face two key challenges: token-item misalignment, where…

Information Retrieval · Computer Science 2025-06-24 Chang Liu , Yimeng Bai , Xiaoyan Zhao , Yang Zhang , Fuli Feng , Wenge Rong

Intelligent perception and interaction with the world hinges on internal representations that capture its underlying structure (''disentangled'' or ''abstract'' representations). Disentangled representations serve as world models, isolating…

Machine Learning · Computer Science 2025-03-04 Pantelis Vafidis , Aman Bhargava , Antonio Rangel