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Recommender systems serve as foundational infrastructure in modern information ecosystems, helping users navigate digital content and discover items aligned with their preferences. At their core, recommender systems address a fundamental…

Information Retrieval · Computer Science 2026-05-12 Min Hou , Le Wu , Yuxin Liao , Yonghui Yang , Zhen Zhang , Yu Wang , Changlong Zheng , Han Wu , Richang Hong

What enables large language models (LLMs) to effectively model user preferences in sequential recommendation? Our investigation reveals that existing preference-alignment approaches largely rely on binary pairwise comparisons, overlooking…

Information Retrieval · Computer Science 2026-04-20 Zhongyu Ouyang , Qianlong Wen , Chunhui Zhang , Yanfang Ye , Soroush Vosoughi

In recommender systems such as news feed stream, it is essential to optimize the long-term utilities in the continuous user-system interaction processes. Previous works have proved the capability of reinforcement learning in this problem.…

Information Retrieval · Computer Science 2020-06-19 Fan Wang , Xiaomin Fang , Lihang Liu , Hao Tian , Zhiming Peng

Multi-behavior recommendation exploits multiple types of user-item interactions to alleviate the data sparsity problem faced by the traditional models that often utilize only one type of interaction for recommendation. In real scenarios,…

Information Retrieval · Computer Science 2023-07-13 Mingshi Yan , Zhiyong Cheng , Chen Gao , Jing Sun , Fan Liu , Fuming Sun , Haojie Li

Sequential recommender systems have shown effective suggestions by capturing users' interest drift. There have been two groups of existing sequential models: user- and item-centric models. The user-centric models capture personalized…

Information Retrieval · Computer Science 2022-09-15 Dongmin Hyun , Chanyoung Park , Junsu Cho , Hwanjo Yu

Recurrent neural networks (RNNs) are powerful constructs capable of modeling complex systems, up to and including Turing Machines. However, learning such complex models from finite training sets can be difficult. In this paper we…

Machine Learning · Statistics 2018-10-23 John Clemens

Recurrent Neural Networks (RNNs) are very successful at solving challenging problems with sequential data. However, this observed efficiency is not yet entirely explained by theory. It is known that a certain class of multiplicative RNNs…

Machine Learning · Computer Science 2019-01-31 Valentin Khrulkov , Oleksii Hrinchuk , Ivan Oseledets

Recurrent Neural Networks (RNNs) are widely used for online regression due to their ability to generalize nonlinear temporal dependencies. As an RNN model, Long-Short-Term-Memory Networks (LSTMs) are commonly preferred in practice, as these…

Machine Learning · Computer Science 2021-06-01 N. Mert Vural , Fatih Ilhan , Selim F. Yilmaz , Salih Ergüt , Suleyman S. Kozat

Models that can simulate how environments change in response to actions can be used by agents to plan and act efficiently. We improve on previous environment simulators from high-dimensional pixel observations by introducing recurrent…

Artificial Intelligence · Computer Science 2017-04-20 Silvia Chiappa , Sébastien Racaniere , Daan Wierstra , Shakir Mohamed

Learning high-performance control policies that remain consistent with expert behavior is a fundamental challenge in robotics. Reinforcement learning can discover high-performing strategies but often departs from desirable human behavior,…

Robotics · Computer Science 2026-04-06 Siwei Ju , Jan Tauberschmidt , Oleg Arenz , Peter van Vliet , Jan Peters

Recommendation systems are essential tools in modern e-commerce, facilitating personalized user experiences by suggesting relevant products. Recent advancements in generative models have demonstrated potential in enhancing recommendation…

Information Retrieval · Computer Science 2025-11-25 Zida Liang , Changfa Wu , Dunxian Huang , Weiqiang Sun , Ziyang Wang , Yuliang Yan , Jian Wu , Yuning Jiang , Bo Zheng , Ke Chen , Silu Zhou , Yu Zhang

Recently, Recurrent Neural Networks (RNNs) have been applied to the task of session-based recommendation. These approaches use RNNs to predict the next item in a user session based on the previ- ously visited items. While some approaches…

Information Retrieval · Computer Science 2017-07-03 Alexander Dallmann , Alexander Grimm , Christian Pölitz , Daniel Zoller , Andreas Hotho

Sequential recommendation tasks, which aim to predict the next item a user will interact with, typically rely on models trained solely on historical data. However, in real-world scenarios, user behavior can fluctuate in the long interaction…

Information Retrieval · Computer Science 2024-10-01 Zhaoqi Yang , Yanan Wang , Yong Ge

Sequential recommendation is to predict the next item of interest for a user, based on her/his interaction history with previous items. In conventional sequential recommenders, a common approach is to model item sequences using discrete…

Information Retrieval · Computer Science 2023-11-01 Zhengyi Yang , Jiancan Wu , Yanchen Luo , Jizhi Zhang , Yancheng Yuan , An Zhang , Xiang Wang , Xiangnan He

The increasing popularity of e-learning has created demand for improving online education through techniques such as predictive analytics and content recommendations. In this paper, we study learner outcome predictions, i.e., predictions of…

Machine Learning · Computer Science 2020-01-24 Yuwei Tu , Weiyu Chen , Christopher G. Brinton

Recurrent neural networks (RNNs) sequentially process data by updating their state with each new data point, and have long been the de facto choice for sequence modeling tasks. However, their inherently sequential computation makes them…

Computation and Language · Computer Science 2019-03-06 Mostafa Dehghani , Stephan Gouws , Oriol Vinyals , Jakob Uszkoreit , Łukasz Kaiser

Over the long history of machine learning, which dates back several decades, recurrent neural networks (RNNs) have been used mainly for sequential data and time series and generally with 1D information. Even in some rare studies on 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Nguyen Huu Phong , Bernardete Ribeiro

A long user history inevitably reflects the transitions of personal interests over time. The analyses on the user history require the robust sequential model to anticipate the transitions and the decays of user interests. The user history…

Information Retrieval · Computer Science 2019-04-30 Kyungwoo Song , Mingi Ji , Sungrae Park , Il-Chul Moon

Sequential learning systems are used in a wide variety of problems from decision making to optimization, where they provide a 'belief' (opinion) to nature, and then update this belief based on the feedback (result) to minimize (or maximize)…

Machine Learning · Computer Science 2020-09-22 Kaan Gokcesu , Hakan Gokcesu

Data-driven approaches to automated machine condition monitoring are gaining popularity due to advancements made in sensing technologies and computing algorithms. This paper proposes the use of a deep learning model, based on Long…

Signal Processing · Electrical Eng. & Systems 2019-07-30 Jianlei Zhang , Binil Starly