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Generative recommendation with large language models (LLMs) reframes prediction as sequence generation, yet existing LLM-based recommenders remain limited in leveraging geographic signals that are crucial in mobility and local-services…

Artificial Intelligence · Computer Science 2026-04-22 Dongyi Lv , Qiuyu Ding , Heng-Da Xu , Zhaoxu Sun , Zhi Wang , Feng Xiong , Mu Xu

Weakly supervised semantic segmentation (WSSS) typically utilizes limited semantic annotations to obtain initial Class Activation Maps (CAMs). However, due to the inadequate coupling between class activation responses and semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Hongjie Zhu , Zeyu Zhang , Guansong Pang , Xu Wang , Shimin Wen , Yu Bai , Daji Ergu , Ying Cai , Yang Zhao

Recent studies increasingly explore Large Language Models (LLMs) as a new paradigm for recommendation systems due to their scalability and world knowledge. However, existing work has three key limitations: (1) most efforts focus on…

Generative Recommendation (GR) has excelled by framing recommendation as next-token prediction. This paradigm relies on Semantic IDs (SIDs) to tokenize large-scale items into discrete sequences. Existing GR approaches predominantly generate…

Information Retrieval · Computer Science 2026-05-22 Jie Jiang , Xinxun Zhang , Enming Zhang , Yuling Xiong , Jun Zhang , Jingwen Wang , Huan Yu , Yuxiang Wang , Hao Wang , Xiao Yan , Jiawei Jiang

Cross domain recommender systems have been increasingly valuable for helping consumers identify useful items in different applications. However, existing cross-domain models typically require large number of overlap users, which can be…

Information Retrieval · Computer Science 2021-04-21 Pan Li , Alexander Tuzhilin

Generative recommendation (GR) has gained increasing attention for its promising performance compared to traditional models. A key factor contributing to the success of GR is the semantic ID (SID), which converts continuous semantic…

Information Retrieval · Computer Science 2025-07-31 Clark Mingxuan Ju , Liam Collins , Leonardo Neves , Bhuvesh Kumar , Louis Yufeng Wang , Tong Zhao , Neil Shah

Sequential recommendation (SR) aims to capture users' dynamic interests and sequential patterns based on their historical interactions. Recently, the powerful capabilities of large language models (LLMs) have driven their adoption in SR.…

Information Retrieval · Computer Science 2025-09-03 Yuhao Wang , Junwei Pan , Xinhang Li , Maolin Wang , Yuan Wang , Yue Liu , Dapeng Liu , Jie Jiang , Xiangyu Zhao

Multivariate Time Series Forecasting plays a key role in many applications. Recent works have explored using Large Language Models for MTSF to take advantage of their reasoning abilities. However, many methods treat LLMs as end-to-end…

Artificial Intelligence · Computer Science 2025-09-19 Kuiye Ding , Fanda Fan , Yao Wang , Ruijie jian , Xiaorui Wang , Luqi Gong , Yishan Jiang , Chunjie Luo , Jianfeng Zhan

Recent advances in AI have catalyzed the adoption of intelligent educational tools, yet many semantic retrieval systems remain ill-suited to the unique linguistic and structural characteristics of academic content. This study presents two…

Computation and Language · Computer Science 2025-05-09 Ramteja Sajja , Yusuf Sermet , Ibrahim Demir

Generative recommendation (GR) has recently emerged as a promising paradigm for industrial recommendations. GR leverages Semantic IDs (SIDs) to reduce the encoding-decoding space and employs the Next Token Prediction (NTP) framework to…

Information Retrieval · Computer Science 2026-04-06 Changhao Li , Junwei Yin , Zhilin Zeng , Senjie Kou , Shuli Wang , Wenshuai Chen , Yinhua Zhu , Haitao Wang , Xingxing Wang

Conventional Sequential Recommender Systems (SRS) typically assign unique hash IDs (HID) to construct item embeddings, which mainly capture collaborative signals from historical user-item interactions. However, such embeddings are…

Information Retrieval · Computer Science 2026-05-29 Ziwei Liu , Yejing Wang , Wanyu Wang , Wang Zejian , Qidong Liu , Zijian Zhang , Chong Chen , Wei Huang , Xiangyu Zhao

Effective item identifiers (IDs) are an important component for recommender systems (RecSys) in practice, and are commonly adopted in many use cases such as retrieval and ranking. IDs can encode collaborative filtering signals within…

Leveraging long-term user behavioral patterns is a key trajectory for enhancing the accuracy of modern recommender systems. While generative recommender systems have emerged as a transformative paradigm, they face hurdles in effectively…

Information Retrieval · Computer Science 2026-02-06 Shiteng Cao , Junda She , Ji Liu , Bin Zeng , Chengcheng Guo , Kuo Cai , Qiang Luo , Ruiming Tang , Han Li , Kun Gai , Zhiheng Li , Cheng Yang

Modern recommendation systems involve massive catalogs of multimodal items, where scalable item identification must balance compactness, semantic fidelity, and downstream effectiveness. Semantic IDs (SIDs) address this need by representing…

Information Retrieval · Computer Science 2026-04-28 Yongsen Pan , Yuxin Chen , Zheng Hu , Xu Yuan , Daoyuan Wang , Yuting Yin , Songhao Ni , Hongyang Wang , Jun Wang , Fuji Ren , Wenwu Ou

Generative recommendation has recently emerged as a powerful paradigm that unifies retrieval and generation, representing items as discrete semantic tokens and enabling flexible sequence modeling with autoregressive models. Despite its…

Computation and Language · Computer Science 2025-11-27 Zheng Hui , Xiaokai Wei , Reza Shirkavand , Chen Wang , Weizhi Zhang , Alejandro Peláez , Michelle Gong

We present a novel AI-based ideation assistant and evaluate it in a user study with a group of innovators. The key contribution of our work is twofold: we propose a method of idea exploration in a constrained domain by means of…

Human-Computer Interaction · Computer Science 2024-11-07 Thomas Sandholm , Sarah Dong , Sayandev Mukherjee , John Feland , Bernardo A. Huberman

Understanding the world around us and making decisions about the future is a critical component to human intelligence. As autonomous systems continue to develop, their ability to reason about the future will be the key to their success.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Adam M. Terwilliger , Garrick Brazil , Xiaoming Liu

Point-of-interest (POI) recommendation systems aim to predict the next destinations of user based on their preferences and historical check-ins. Existing generative POI recommendation methods usually employ random numeric IDs for POIs,…

Information Retrieval · Computer Science 2025-06-19 Dongsheng Wang , Yuxi Huang , Shen Gao , Yifan Wang , Chengrui Huang , Shuo Shang

Generative recommendation systems have achieved significant advances by leveraging semantic IDs to represent items. However, existing approaches that tokenize each modality independently face two critical limitations: (1) redundancy across…

Information Retrieval · Computer Science 2026-01-14 Haven Kim , Yupeng Hou , Julian McAuley

Online forums enable users to discuss together around various topics. One of the serious problems of these environments is high volume of discussions and thus information overload problem. Unfortunately without considering the users…

Information Retrieval · Computer Science 2014-06-13 Hadi Fanaee-T , Mehran Yazdi