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Attention-based sequential recommendation methods have shown promise in accurately capturing users' evolving interests from their past interactions. Recent research has also explored the integration of reinforcement learning (RL) into these…

Machine Learning · Computer Science 2024-04-19 Melissa Mozifian , Tristan Sylvain , Dave Evans , Lili Meng

Sequential Recommendationdescribes a set of techniques to model dynamic user behavior in order to predict future interactions in sequential user data. At their core, such approaches model transition probabilities between items in a…

Information Retrieval · Computer Science 2021-08-17 Zhiwei Liu , Yongjun Chen , Jia Li , Philip S. Yu , Julian McAuley , Caiming Xiong

Since the meaning representations are detailed and accurate annotations which express fine-grained sequence-level semtantics, it is usually hard to train discriminative semantic parsers via Maximum Likelihood Estimation (MLE) in an…

Computation and Language · Computer Science 2023-01-20 Shan Wu , Chunlei Xin , Bo Chen , Xianpei Han , Le Sun

Conversation disentanglement aims to group utterances into detached sessions, which is a fundamental task in processing multi-party conversations. Existing methods have two main drawbacks. First, they overemphasize pairwise utterance…

Computation and Language · Computer Science 2024-09-04 Chengyu Huang , Zheng Zhang , Hao Fei , Lizi Liao

Traditional recommender systems such as matrix factorization methods have primarily focused on learning a shared dense embedding space to represent both items and user preferences. Subsequently, sequence models such as RNN, GRUs, and,…

Information Retrieval · Computer Science 2024-08-27 Yaoyiran Li , Xiang Zhai , Moustafa Alzantot , Keyi Yu , Ivan Vulić , Anna Korhonen , Mohamed Hammad

This paper presents a deep Inverse Reinforcement Learning (IRL) framework that can learn an a priori unknown number of nonlinear reward functions from unlabeled experts' demonstrations. For this purpose, we employ the tools from Dirichlet…

Machine Learning · Computer Science 2021-07-15 Ariyan Bighashdel , Panagiotis Meletis , Pavol Jancura , Gijs Dubbelman

Contrastive learning (CL) has shown its power in recommendation. However, most CL-based recommendation models build their CL tasks merely focusing on the user's aspects, ignoring the rich diverse information in items. In this work, we…

Information Retrieval · Computer Science 2023-01-18 Ruobing Xie , Zhijie Qiu , Bo Zhang , Leyu Lin

Generated video scenes for action-centric sequence descriptions, such as recipe instructions and do-it-yourself projects, often include non-linear patterns, where the next video may need to be visually consistent not with the immediately…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Vasco Ramos , Yonatan Bitton , Michal Yarom , Idan Szpektor , Joao Magalhaes

Learners sharing similar implicit cognitive states often display comparable observable problem-solving performances. Leveraging collaborative connections among such similar learners proves valuable in comprehending human learning. Motivated…

Machine Learning · Computer Science 2024-11-12 Weibo Gao , Qi Liu , Linan Yue , Fangzhou Yao , Hao Wang , Yin Gu , Zheng Zhang

Interactive Recommendation (IR) has gained significant attention recently for its capability to quickly capture dynamic interest and optimize both short and long term objectives. IR agents are typically implemented through Deep…

Information Retrieval · Computer Science 2025-06-17 Jingyu Li , Zhiyong Feng , Dongxiao He , Hongqi Chen , Qinghang Gao , Guoli Wu

Task-oriented semantic communication systems have emerged as a promising approach to achieving efficient and intelligent data transmission in next-generation networks, where only information relevant to a specific task is communicated. This…

Machine Learning · Computer Science 2025-07-03 Omar Erak , Omar Alhussein , Wen Tong

Recommender systems have been investigated for many years, with the aim of generating the most accurate recommendations possible. However, available data about new users is often insufficient, leading to inaccurate recommendations; an issue…

Information Retrieval · Computer Science 2022-01-20 Toon De Pessemier , Sander Vanhove , Luc Martens

Re-ranking models refine item recommendation lists generated by the prior global ranking model, which have demonstrated their effectiveness in improving the recommendation quality. However, most existing re-ranking solutions only learn from…

Information Retrieval · Computer Science 2023-03-14 Zhuoyi Lin , Sheng Zang , Rundong Wang , Zhu Sun , J. Senthilnath , Chi Xu , Chee-Keong Kwoh

Sequential recommendation systems that model dynamic preferences based on a use's past behavior are crucial to e-commerce. Recent studies on these systems have considered various types of information such as images and texts. However,…

Information Retrieval · Computer Science 2024-05-29 Hyungtaik Oh , Wonkeun Jo , Dongil Kim

Sequential recommender systems rank relevant items by modeling a user's interaction history and computing the inner product between the resulting user representation and stored item embeddings. To avoid the significant memory overhead of…

The sequential interaction network usually find itself in a variety of applications, e.g., recommender system. Herein, inferring future interaction is of fundamental importance, and previous efforts are mainly focused on the dynamics in the…

Machine Learning · Computer Science 2024-01-03 Li Sun , Junda Ye , Jiawei Zhang , Yong Yang , Mingsheng Liu , Feiyang Wang , Philip S. Yu

Multiview clustering (MVC) segregates data samples into meaningful clusters by synthesizing information across multiple views. Moreover, deep learning-based methods have demonstrated their strong feature learning capabilities in MVC…

Machine Learning · Computer Science 2024-03-22 Hao Yang , Hua Mao , Wai Lok Woo , Jie Chen , Xi Peng

The goal of a classification model is to assign the correct labels to data. In most cases, this data is not fully described by the given set of labels. Often a rich set of meaningful concepts exist in the domain that can much more precisely…

Machine Learning · Computer Science 2021-08-23 Yoeri Poels , Vlado Menkovski

Unsupervised Re-ID methods aim at learning robust and discriminative features from unlabeled data. However, existing methods often ignore the relationship between module parameters of Re-ID framework and feature distributions, which may…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Ziqi He , Mengjia Xue , Yunhao Du , Zhicheng Zhao , Fei Su

In recent years, the use of edge information provided by knowledge graphs together with the advantages of higher-order connectivity in graph neural networks for recommendation systems has become an important research direction. However,…

Information Retrieval · Computer Science 2026-05-12 Zhifei Hu , Feng Xia