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Multi-behavior recommendation aims to predict user conversions by modeling various interaction types that carry distinct intent signals. Recently, generative sequence modeling methods have emerged as an important paradigm for multi-behavior…

Information Retrieval · Computer Science 2026-04-28 Wenxuan Yang , Xiaoyang Xu , Hanyu Zhang , Zhexuan Xu , Wanqiang Xiong , Zhaoqun Chen

We propose an algorithm for next query recommendation in interactive data exploration settings, like knowledge discovery for information gathering. The state-of-the-art query recommendation algorithms are based on sequence-to-sequence…

Information Retrieval · Computer Science 2024-07-08 Shameem A Puthiya Parambath , Christos Anagnostopoulos , Roderick Murray-Smith

Collaborative recommendation fundamentally involves learning high-quality user and item representations from interaction data. Recently, graph convolution networks (GCNs) have advanced the field by utilizing high-order connectivity patterns…

Information Retrieval · Computer Science 2024-12-30 Jiajia Chen , Jiancan Wu , Jiawei Chen , Chongming Gao , Yong Li , Xiang Wang

Recommendation systems have lately been popularized globally, with primary use cases in online interaction systems, with significant focus on e-commerce platforms. We have developed a machine learning-based recommendation platform, which…

Recent works in multimodal recommendations, which leverage diverse modal information to address data sparsity and enhance recommendation accuracy, have garnered considerable interest. Two key processes in multimodal recommendations are…

Information Retrieval · Computer Science 2025-05-23 Jinfeng Xu , Zheyu Chen , Wei Wang , Xiping Hu , Sang-Wook Kim , Edith C. H. Ngai

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…

Multi-behavior recommendation predicts items a user may purchase by analyzing diverse behaviors like viewing, adding to a cart, and purchasing. Existing methods fall into two categories: representation learning and graph ranking.…

Information Retrieval · Computer Science 2025-02-18 Geonwoo Ko , Minseo Jeon , Jinhong Jung

Recent research has achieved impressive progress in the session-based recommendation. However, information such as item knowledge and click time interval, which could be potentially utilized to improve the performance, remains largely…

Information Retrieval · Computer Science 2021-12-17 Rongzhi Zhang , Yulong Gu , Xiaoyu Shen , Hui Su

Micro-gestures are unconsciously performed body gestures that can convey the emotion states of humans and start to attract more research attention in the fields of human behavior understanding and affective computing as an emerging topic.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zhaoqiang Xia , Hexiang Huang , Haoyu Chen , Xiaoyi Feng , Guoying Zhao

Recommendation system plays an important role in online web applications. Sequential recommender further models user short-term preference through exploiting information from latest user-item interaction history. Most of the sequential…

Information Retrieval · Computer Science 2020-09-14 Ye Tao , Can Wang , Lina Yao , Weimin Li , Yonghong Yu

Many practical recommender systems provide item recommendation for different users only via mining user-item interactions but totally ignoring the rich attribute information of items that users interact with. In this paper, we propose an…

Information Retrieval · Computer Science 2021-03-11 Xinzhou Dong , Beihong Jin , Wei Zhuo , Beibei Li , Taofeng Xue

Capturing users' precise preferences is a fundamental problem in large-scale recommender system. Currently, item-based Collaborative Filtering (CF) methods are common matching approaches in industry. However, they are not effective to model…

Information Retrieval · Computer Science 2020-01-01 Fuyu Lv , Taiwei Jin , Changlong Yu , Fei Sun , Quan Lin , Keping Yang , Wilfred Ng

Sequential recommendation has garnered significant attention for its ability to capture dynamic preferences by mining users' historical interaction data. Given that users' complex and intertwined periodic preferences are difficult to…

Information Retrieval · Computer Science 2025-11-27 Huayang Xu , Huanhuan Yuan , Guanfeng Liu , Junhua Fang , Lei Zhao , Pengpeng Zhao

Multimodal recommendation systems can learn users' preferences from existing user-item interactions as well as the semantics of multimodal data associated with items. Many existing methods model this through a multimodal user-item graph,…

Social and Information Networks · Computer Science 2024-12-19 Jun Hu , Bryan Hooi , Bingsheng He , Yinwei Wei

Collaborative Metric Learning (CML) recently emerged as a powerful paradigm for recommendation based on implicit feedback collaborative filtering. However, standard CML methods learn fixed user and item representations, which fails to…

Information Retrieval · Computer Science 2021-08-11 Viet-Anh Tran , Guillaume Salha-Galvan , Romain Hennequin , Manuel Moussallam

The ability to model intra-modal and inter-modal interactions is fundamental in multimodal machine learning. The current state-of-the-art models usually adopt deep learning models with fixed structures. They can achieve exceptional…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Qingpei Guo , Kaisheng Yao , Wei Chu

Preference-based reinforcement learning (PbRL) shows promise in aligning robot behaviors with human preferences, but its success depends heavily on the accurate modeling of human preferences through reward models. Most methods adopt…

Robotics · Computer Science 2025-03-12 Dezhong Zhao , Ruiqi Wang , Dayoon Suh , Taehyeon Kim , Ziqin Yuan , Byung-Cheol Min , Guohua Chen

Modeling user sequential behaviors has recently attracted increasing attention in the recommendation domain. Existing methods mostly assume coherent preference in the same sequence. However, user personalities are volatile and easily…

Information Retrieval · Computer Science 2022-04-01 Weiqi Shao , Xu Chen , Long Xia , Jiashu Zhao , Dawei Yin

E-commerce platforms generate vast amounts of customer behavior data, such as clicks and purchases, from millions of unique users every day. However, effectively using this data for behavior understanding tasks is challenging because there…

Machine Learning · Computer Science 2022-02-16 Tianyu Li , Ali Cevahir , Derek Cho , Hao Gong , DuyKhuong Nguyen , Bjorn Stenger

Sequential recommendation (SR) systems excel at capturing users' dynamic preferences by leveraging their interaction histories. Most existing SR systems assign a single embedding vector to each item to represent its features, and various…

Information Retrieval · Computer Science 2025-02-11 Mingrui Liu , Sixiao Zhang , Cheng Long