activity
20242026
most citedOn Softmax Direct Preference Optimization for Recommendation

4 citations · 7 across the 6 of their papers we have counts for

collaborators

6 papers

cs.AI2026

Scaling Retrieval-Augmented Reasoning with Parallel Search and Explicit Merging

Jiabei Liu, Wenyu Mao, Junfei Tan +4

Deep search agents have proven effective in enhancing LLMs by retrieving external knowledge during multi-step reasoning. However, existing methods often generate a single query for…

cs.CL2026

Phoenix-VL 1.5 Medium Technical Report

Team Phoenix, :, Arka Ray +29

We introduce Phoenix-VL 1.5 Medium, a 123B-parameter natively multimodal and multilingual foundation model, adapted to regional languages and the Singapore context. Developed as a…

cs.IR2026

Reasoning over Semantic IDs Enhances Generative Recommendation

Yingzhi He, Yan Sun, Junfei Tan +6

Recent advances in generative recommendation have leveraged pretrained LLMs by formulating sequential recommendation as autoregressive generation over a unified token space compris…

cs.IR2025★ 1 cited

MiniOneRec: An Open-Source Framework for Scaling Generative Recommendation

Xiaoyu Kong, Leheng Sheng, Junfei Tan +5

The recent success of large language models (LLMs) has renewed interest in whether recommender systems can achieve similar scaling benefits. Conventional recommenders, dominated by…

cs.IR2025★ 2 cited

Reinforced Preference Optimization for Recommendation

Junfei Tan, Yuxin Chen, An Zhang +7

Recent breakthroughs in large language models (LLMs) have fundamentally shifted recommender systems from discriminative to generative paradigms, where user behavior modeling is ach…

cs.IR2024★ 4 cited

On Softmax Direct Preference Optimization for Recommendation

Yuxin Chen, Junfei Tan, An Zhang +5

Recommender systems aim to predict personalized rankings based on user preference data. With the rise of Language Models (LMs), LM-based recommenders have been widely explored due…