English
Related papers

Related papers: PRISM: Purified Representation and Integrated Sema…

200 papers

Generative Recommendation has revolutionized recommender systems by reformulating retrieval as a sequence generation task over discrete item identifiers. Despite the progress, existing approaches typically rely on static, decoupled…

Information Retrieval · Computer Science 2026-02-10 Huanjie Wang , Xinchen Luo , Honghui Bao , Zhang Zixing , Lejian Ren , Yunfan Wu , Hongwei Zhang , Liwei Guan , Guang Chen

Semantic ID-based generative recommendation represents items as sequences of discrete tokens, but it inherently faces a trade-off between representational expressiveness and computational efficiency. Residual Quantization (RQ)-based…

Information Retrieval · Computer Science 2026-02-17 Ming Xia , Zhiqin Zhou , Guoxin Ma , Dongmin Huang

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…

With ever-increasing dataset sizes, subset selection techniques are becoming increasingly important for a plethora of tasks. It is often necessary to guide the subset selection to achieve certain desiderata, which includes focusing or…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Suraj Kothawade , Vishal Kaushal , Ganesh Ramakrishnan , Jeff Bilmes , Rishabh Iyer

Generative recommendation has emerged as a scalable alternative to traditional retrieve-and-rank pipelines by operating in a compact token space. However, existing methods mainly rely on discrete code-level supervision, which leads to…

Information Retrieval · Computer Science 2026-03-03 Ziqi Xue , Dingxian Wang , Yimeng Bai , Shuai Zhu , Jialei Li , Xiaoyan Zhao , Frank Yang , Andrew Rabinovich , Yang Zhang , Pablo N. Mendes

The integration of Large Language Models (LLMs) into explainable recommendation systems often leads to a performance-efficiency trade-off in end-to-end architectures, where joint optimization of ranking and explanation can result in…

Information Retrieval · Computer Science 2025-12-09 Jiaheng Zhang , Daqiang Zhang

Semantic identifiers (IDs) have proven effective in adapting large language models for generative recommendation and retrieval. However, existing methods often suffer from semantic ID conflicts, where semantically similar documents (or…

Information Retrieval · Computer Science 2025-09-23 Ruohan Zhang , Jiacheng Li , Julian McAuley , Yupeng Hou

Embedding-based retrieval serves as a dominant approach to candidate item matching for industrial recommender systems. With the success of generative AI, generative retrieval has recently emerged as a new retrieval paradigm for…

Information Retrieval · Computer Science 2024-09-10 Jieming Zhu , Mengqun Jin , Qijiong Liu , Zexuan Qiu , Zhenhua Dong , Xiu Li

We introduce PRISM (Predictive Reasoning in Sequential Medicine), a transformer-based architecture designed to model the sequential progression of clinical decision-making processes. Unlike traditional approaches that rely on isolated…

Computation and Language · Computer Science 2025-06-16 Lionel Levine , John Santerre , Alex S. Young , T. Barry Levine , Francis Campion , Majid Sarrafzadeh

Cross-domain recommendation (CDR) is crucial for improving recommendation accuracy and generalization, yet traditional methods are often hindered by the reliance on shared user/item IDs, which are unavailable in most real-world scenarios.…

Information Retrieval · Computer Science 2025-11-18 Peiyu Hu , Wayne Lu , Jia Wang

With the rapid evolution of Large Language Models (LLMs), generative recommendation is gradually reshaping the paradigm of recommender systems. However, most existing methods remain confined to the interaction-driven next-item prediction…

Information Retrieval · Computer Science 2026-04-21 Yang Yu , Lei Kou , Huaikuan Yi , Bin Chen , Yayu Cao , Lei Shen , Chao Zhang , Bing Wang , Xiaoyi Zeng

Generative recommender systems have recently emerged as a promising paradigm by formulating next-item prediction as an auto-regressive semantic IDs generation, such as OneRec series works. However, with the next-item-agnostic prediction…

Information Retrieval · Computer Science 2026-04-29 Yu Liu , Jiangxia Cao

Generative recommendation maps each item to a sequence of Semantic IDs (SIDs) and recasts retrieval as autoregressive token generation. In this paradigm the main bottleneck is the tokenizer rather than the Transformer: residual vector…

Information Retrieval · Computer Science 2026-05-07 Wenzhuo Cheng , Menghang Gong , Qixin Guo , Hang Zheng , Zhaobin Yang , Jianguo Lou , Zhengwei Zheng

Text image super-resolution (Text-SR) requires more than visually plausible detail synthesis: slight errors in stroke topology may alter character identity and break readability. Existing methods improve text fidelity with stronger…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Zihang Xu , Xiaoyang Liu , Zheng Chen , Yulun Zhang , Xiaokang Yang

A core objective in recommender systems is to accurately model the distribution of user preferences over items to enable personalized recommendations. Recently, driven by the strong generative capabilities of large language models (LLMs),…

Information Retrieval · Computer Science 2026-02-10 Yuanbo Zhao , Ruochen Liu , Senzhang Wang , Jun Yin , Yuxin Dong , Huan Gong , Hao Chen , Shirui Pan , Chengqi Zhang

Dynamic sequential recommendation (DSR) can generate model parameters based on user behavior to improve the personalization of sequential recommendation under various user preferences. However, it faces the challenges of large parameter…

Information Retrieval · Computer Science 2024-08-02 Zheqi Lv , Shaoxuan He , Tianyu Zhan , Shengyu Zhang , Wenqiao Zhang , Jingyuan Chen , Zhou Zhao , Fei Wu

We propose PRISM, a novel framework designed to overcome the limitations of 2D-based Preference-Based Reinforcement Learning (PBRL) by unifying 3D point cloud modeling and future-aware preference refinement. At its core, PRISM adopts a 3D…

Computation and Language · Computer Science 2025-03-20 Yirong Sun , Yanjun Chen

Recent work has explored generative recommender systems as an alternative to traditional ID-based models, reframing item recommendation as a sequence generation task over discrete item tokens. While promising, such methods often…

Information Retrieval · Computer Science 2025-08-22 Simon Lepage , Jeremie Mary , David Picard

Large Language Models (LLMs), constrained by their auto-regressive nature, suffer from slow decoding. Speculative decoding methods have emerged as a promising solution to accelerate LLM decoding, attracting attention from both systems and…

Artificial Intelligence · Computer Science 2026-02-03 Xuliang Wang , Yuetao Chen , Maochan Zhen , Fang Liu , Xinzhou Zheng , Xingwu Liu , Hong Xu , Ming Li

Recently, generative recommendation has emerged as a promising paradigm, attracting significant research attention. The basic framework involves an item tokenizer, which represents each item as a sequence of codes serving as its identifier,…

Information Retrieval · Computer Science 2025-05-27 Bowen Zheng , Hongyu Lu , Yu Chen , Wayne Xin Zhao , Ji-Rong Wen