activity
20232026
most citedA Review of Modern Recommender Systems Using Generative Models (Gen-RecSys)

3 citations · 12 across the 19 of their papers we have counts for

collaborators
Showing cs.IRShow all

19 papers · 1 filter

cs.IR2026

SPRINT: Single-Step Generative Recommendation via Average Probability Velocity

Zhuo Cai, Shoujin Wang, Peilin Zhou +3

Semantic ID (SID) based generative recommendation represents each item as a sequence of discrete tokens, and recommends by generating the SID of the item a user would like to inter…

cs.IR2026

Expressiveness Limits of Autoregressive Semantic ID Generation in Generative Recommendation

Yupeng Hou, Haven Kim, Clark Mingxuan Ju +3

Generative recommendation (GR) models generate items by autoregressively producing a sequence of discrete tokens that jointly index the target item. However, this autoregressive ge…

cs.IR2026

How Well Does Generative Recommendation Generalize?

Yijie Ding, Zitian Guo, Jiacheng Li +8

A widely held hypothesis for why generative recommendation (GR) models outperform conventional item ID-based models is that they generalize better. However, there is few systematic…

cs.IR2026

AgenticTagger: Structured Item Representation for Recommendation with LLM Agents

Zhouhang Xie, Bo Peng, Zhankui He +11

High-quality representations are a core requirement for effective recommendation. In this work, we study the problem of LLM-based descriptor generation, i.e., keyphrase-like natura…

cs.IR2026

FusID: Modality-Fused Semantic IDs for Generative Music Recommendation

Haven Kim, Yupeng Hou, Julian McAuley

Generative recommendation systems have achieved significant advances by leveraging semantic IDs to represent items. However, existing approaches that tokenize each modality indepen…

cs.IR2025★ 1 cited

Pctx: Tokenizing Personalized Context for Generative Recommendation

Qiyong Zhong, Jiajie Su, Yunshan Ma +2

Generative recommendation (GR) models tokenize each action into a few discrete tokens (called semantic IDs) and autoregressively generate the next tokens as predictions, showing ad…

cs.IR2025

Purely Semantic Indexing for LLM-based Generative Recommendation and Retrieval

Ruohan Zhang, Jiacheng Li, Julian McAuley +1

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

cs.IR2025★ 1 cited

Generating Long Semantic IDs in Parallel for Recommendation

Yupeng Hou, Jiacheng Li, Ashley Shin +6

Semantic ID-based recommendation models tokenize each item into a small number of discrete tokens that preserve specific semantics, leading to better performance, scalability, and…

cs.IR2025★ 1 cited

ActionPiece: Contextually Tokenizing Action Sequences for Generative Recommendation

Yupeng Hou, Jianmo Ni, Zhankui He +5

Generative recommendation (GR) is an emerging paradigm where user actions are tokenized into discrete token patterns and autoregressively generated as predictions. However, existin…

cs.IR2024

Inductive Generative Recommendation via Retrieval-based Speculation

Yijie Ding, Jiacheng Li, Julian McAuley +1

Generative recommendation (GR) is an emerging paradigm that tokenizes items into discrete tokens and learns to autoregressively generate the next tokens as predictions. While this…

cs.IR2024

Recommendation with Generative Models

Yashar Deldjoo, Zhankui He, Julian McAuley +8

Generative models are a class of AI models capable of creating new instances of data by learning and sampling from their statistical distributions. In recent years, these models ha…

cs.IR2024

Multi-modal Generative Models in Recommendation System

Arnau Ramisa, Rene Vidal, Yashar Deldjoo +8

Many recommendation systems limit user inputs to text strings or behavior signals such as clicks and purchases, and system outputs to a list of products sorted by relevance. With t…

cs.IR2024

Reindex-Then-Adapt: Improving Large Language Models for Conversational Recommendation

Zhankui He, Zhouhang Xie, Harald Steck +4

Large language models (LLMs) are revolutionizing conversational recommender systems by adeptly indexing item content, understanding complex conversational contexts, and generating…

cs.IR2024★ 1 cited

Multi-Behavior Generative Recommendation

Zihan Liu, Yupeng Hou, Julian McAuley

Multi-behavior sequential recommendation (MBSR) aims to incorporate behavior types of interactions for better recommendations. Existing approaches focus on the next-item prediction…

cs.IR2024★ 3 cited

A Review of Modern Recommender Systems Using Generative Models (Gen-RecSys)

Yashar Deldjoo, Zhankui He, Julian McAuley +7

Traditional recommender systems (RS) typically use user-item rating histories as their main data source. However, deep generative models now have the capability to model and sample…

cs.IR2024★ 1 cited

CoRAL: Collaborative Retrieval-Augmented Large Language Models Improve Long-tail Recommendation

Junda Wu, Cheng-Chun Chang, Tong Yu +4

The long-tail recommendation is a challenging task for traditional recommender systems, due to data sparsity and data imbalance issues. The recent development of large language mod…

cs.IR2024

Bridging Language and Items for Retrieval and Recommendation: Benchmarking LLMs as Semantic Encoders

Yupeng Hou, Jiacheng Li, Xiangjun Fu +4

Feature engineering has long been central to recommender systems, yet effectively leveraging textual item features remains challenging. Recent advances in large language models (LL…

cs.IR2024

RecWizard: A Toolkit for Conversational Recommendation with Modular, Portable Models and Interactive User Interface

Zeyuan Zhang, Tanmay Laud, Zihang He +5

We present a new Python toolkit called RecWizard for Conversational Recommender Systems (CRS). RecWizard offers support for development of models and interactive user interface, dr…

cs.IR2023★ 2 cited

AgentCF: Collaborative Learning with Autonomous Language Agents for Recommender Systems

Junjie Zhang, Yupeng Hou, Ruobing Xie +5

Recently, there has been an emergence of employing LLM-powered agents as believable human proxies, based on their remarkable decision-making capability. However, existing studies m…