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In this paper, we describe the use of recurrent neural networks to capture sequential information from the self-attention representations to improve the Transformers. Although self-attention mechanism provides a means to exploit long…

Computation and Language · Computer Science 2021-04-06 Tze Yuang Chong , Xuyang Wang , Lin Yang , Junjie Wang

Transformer and its variants are a powerful class of architectures for sequential recommendation, owing to their ability of capturing a user's dynamic interests from their past interactions. Despite their success, Transformer-based models…

Information Retrieval · Computer Science 2023-08-22 Vivian Lai , Huiyuan Chen , Chin-Chia Michael Yeh , Minghua Xu , Yiwei Cai , Hao Yang

Apart from the high accuracy of machine learning models, what interests many researchers in real-life problems (e.g., fraud detection, credit scoring) is to find hidden patterns in data; particularly when dealing with their challenging…

Recent years have witnessed success of sequential modeling, generative recommender, and large language model for recommendation. Though the scaling law has been validated for sequential models, it showed inefficiency in computational…

A key advantage of Recurrent Neural Networks (RNNs) over Transformers is their linear computational and space complexity enables faster training and inference for long sequences. However, RNNs are fundamentally unable to randomly access…

Computation and Language · Computer Science 2025-11-04 Xiang Hu , Jiaqi Leng , Jun Zhao , Kewei Tu , Wei Wu

Sequential Recommendation (SeqRec) aims to predict the next item by capturing sequential patterns from users' historical interactions, playing a crucial role in many real-world recommender systems. However, existing approaches predominantly…

Information Retrieval · Computer Science 2025-08-04 Jiakai Tang , Sunhao Dai , Teng Shi , Jun Xu , Xu Chen , Wen Chen , Jian Wu , Yuning Jiang

Self-attention in Transformers relies on globally normalized softmax weights, causing all tokens to compete for influence at every layer. When composed across depth, this interaction pattern induces strong synchronization dynamics that…

Machine Learning · Computer Science 2026-05-26 Jingkun Liu , Yisong Yue , Max Welling , Yue Song

Writing review for a purchased item is a unique channel to express a user's opinion in E-Commerce. Recently, many deep learning based solutions have been proposed by exploiting user reviews for rating prediction. In contrast, there has been…

Information Retrieval · Computer Science 2019-07-02 Chenliang Li , Xichuan Niu , Xiangyang Luo , Zhenzhong Chen , Cong Quan

LLM-based agents are emerging as a promising paradigm for simulating user behavior to enhance recommender systems. However, their effectiveness is often limited by existing studies that focus on modeling user ratings for individual items.…

Information Retrieval · Computer Science 2025-11-17 Jiahao Wang , Bokang Fu , Yu Zhu , Yuli Liu

Many real-world applications involve multivariate, geo-tagged time series data: at each location, multiple sensors record corresponding measurements. For example, air quality monitoring system records PM2.5, CO, etc. The resulting…

Machine Learning · Computer Science 2019-08-06 Jiawei Ma , Zheng Shou , Alireza Zareian , Hassan Mansour , Anthony Vetro , Shih-Fu Chang

Attention mechanisms have raised significant interest in the research community, since they promise significant improvements in the performance of neural network architectures. However, in any specific problem, we still lack a principled…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Rafael Pedro , Arlindo L. Oliveira

In this work, we conduct a systematic analysis of Native Sparse Attention (NSA) and propose targeted improvements that enhance long-context modeling. A key insight is that alternating between local (sliding-window) and global (compression,…

Computation and Language · Computer Science 2025-11-04 Yuxuan Hu , Jianchao Tan , Jiaqi Zhang , Wen Zan , Pingwei Sun , Yifan Lu , Yerui Sun , Yuchen Xie , Xunliang Cai , Jing Zhang

Initially developed for natural language processing (NLP), Transformer model is now widely used for speech processing tasks such as speaker recognition, due to its powerful sequence modeling capabilities. However, conventional…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-28 Rui Wang , Junyi Ao , Long Zhou , Shujie Liu , Zhihua Wei , Tom Ko , Qing Li , Yu Zhang

We consider the problem of sequential recommendation, where the current recommendation is made based on past interactions. This recommendation task requires efficient processing of the sequential data and aims to provide recommendations…

Information Retrieval · Computer Science 2023-07-28 Xumei Xi , Yuke Zhao , Quan Liu , Liwen Ouyang , Yang Wu

Recommender systems aim to estimate the dynamically changing user preferences and sequential dependencies between historical user behaviour and metadata. Although transformer-based models have proven to be effective in sequential…

Information Retrieval · Computer Science 2025-10-07 Mark Obozov , Makar Baderko , Stepan Kulibaba , Nikolay Kutuzov , Alexander Gasnikov

Recent works have revealed that Transformers are implicitly learning the syntactic information in its lower layers from data, albeit is highly dependent on the quality and scale of the training data. However, learning syntactic information…

Computation and Language · Computer Science 2022-10-24 Shengyuan Hou , Jushi Kai , Haotian Xue , Bingyu Zhu , Bo Yuan , Longtao Huang , Xinbing Wang , Zhouhan Lin

Decision-making for urban autonomous driving is challenging due to the stochastic nature of interactive traffic participants and the complexity of road structures. Although reinforcement learning (RL)-based decision-making scheme is…

Machine Learning · Computer Science 2023-08-28 Haochen Liu , Zhiyu Huang , Xiaoyu Mo , Chen Lv

Sequential recommendation models are crucial for next-item recommendations in online platforms, capturing complex patterns in user interactions. However, many focus on a single behavior, overlooking valuable implicit interactions like…

Information Retrieval · Computer Science 2023-12-18 Shereen Elsayed , Ahmed Rashed , Lars Schmidt-Thieme

This paper presents a new method to solve keypoint detection and instance association by using Transformer. For bottom-up multi-person pose estimation models, they need to detect keypoints and learn associative information between…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Sen Yang , Zhicheng Wang , Ze Chen , Yanjie Li , Shoukui Zhang , Zhibin Quan , Shu-Tao Xia , Yiping Bao , Erjin Zhou , Wankou Yang

In session-based or sequential recommendation, it is important to consider a number of factors like long-term user engagement, multiple types of user-item interactions such as clicks, purchases etc. The current state-of-the-art supervised…

Machine Learning · Computer Science 2020-06-12 Xin Xin , Alexandros Karatzoglou , Ioannis Arapakis , Joemon M. Jose