activity
20232025
most citedIncorporating External Knowledge and Goal Guidance for LLM-based Conversational Recommender Systems

2 citations · 7 across the 8 of their papers we have counts for

collaborators

8 papers

cs.CL2025★ 2 cited

Document Intelligence in the Era of Large Language Models: A Survey

Weishi Wang, Hengchang Hu, Zhijie Zhang +3

Document AI (DAI) has emerged as a vital application area, and is significantly transformed by the advent of large language models (LLMs). While earlier approaches relied on encode…

cs.IR2025

Improving Conversational Recommendation with Contextual Adaptation of External Recommenders and LLM-based Reranking

Chuang Li, Weida Liang, Hengchang Hu +4

We tackle the challenge of integrating large language models (LLMs) with external recommender systems to enhance domain expertise in conversational recommendation (CRS). Current LL…

cs.IR2025

Can LLMs Outshine Conventional Recommenders? A Comparative Evaluation

Qijiong Liu, Jieming Zhu, Lu Fan +5

In recent years, integrating large language models (LLMs) into recommender systems has created new opportunities for improving recommendation quality. However, a comprehensive benc…

cs.IR2024★ 1 cited

Vector Quantization for Recommender Systems: A Review and Outlook

Qijiong Liu, Xiaoyu Dong, Jiaren Xiao +6

Vector quantization, renowned for its unparalleled feature compression capabilities, has been a prominent topic in signal processing and machine learning research for several decad…

cs.CL2024★ 2 cited

Incorporating External Knowledge and Goal Guidance for LLM-based Conversational Recommender Systems

Chuang Li, Yang Deng, Hengchang Hu +2

This paper aims to efficiently enable large language models (LLMs) to use external knowledge and goal guidance in conversational recommender system (CRS) tasks. Advanced LLMs (e.g.…

cs.IR2024

Discrete Semantic Tokenization for Deep CTR Prediction

Qijiong Liu, Hengchang Hu, Jiahao Wu +3

Incorporating item content information into click-through rate (CTR) prediction models remains a challenge, especially with the time and space constraints of industrial scenarios.…

cs.IR2024★ 1 cited

Lightweight Modality Adaptation to Sequential Recommendation via Correlation Supervision

Hengchang Hu, Qijiong Liu, Chuang Li +1

In Sequential Recommenders (SR), encoding and utilizing modalities in an end-to-end manner is costly in terms of modality encoder sizes. Two-stage approaches can mitigate such conc…

cs.IR2023★ 1 cited

TF-DCon: Leveraging Large Language Models (LLMs) to Empower Training-Free Dataset Condensation for Content-Based Recommendation

Jiahao Wu, Qijiong Liu, Hengchang Hu +5

Modern techniques in Content-based Recommendation (CBR) leverage item content information to provide personalized services to users, but suffer from resource-intensive training on…