activity
20242026
most citedFrom Local Indices to Global Identifiers: Generative Reranking for Recommender Systems via Global Action Space

1 citations · 1 across the 3 of their papers we have counts for

collaborators

6 papers

cs.IR2026

UniRank: Unified List-wise Reranking via Confidence-Ordered Denoising

Pengyue Jia, Hailan Yang, Shuchang Liu +7

List-wise reranking arranges a request-specific pool of candidate items into an ordered slate that maximizes user satisfaction. Existing generative rerankers fall into two paradigm…

cs.IR20261 cited

From Local Indices to Global Identifiers: Generative Reranking for Recommender Systems via Global Action Space

Pengyue Jia, Xiaobei Wang, Yingyi Zhang +14

In modern recommender systems, list-wise reranking serves as a critical phase within the multi-stage pipeline, finalizing the exposed item sequence and directly impacting user sati…

cs.IR2026

FlashEvaluator: Expanding Search Space with Parallel Sequence-Level Evaluation

Chao Feng, Yuanhao Pu, Chenghao Zhang +9

The Generator-Evaluator (G-E) framework generates K candidate sequences and uses an evaluator to select the highest-scoring one, which is widely used in recommender systems (RecSys…

cs.IR2025

Stratified Expert Cloning for Retention-Aware Recommendation at Scale

Chengzhi Lin, Annan Xie, Shuchang Liu +3

User retention is critical in large-scale recommender systems, significantly influencing online platforms' long-term success. Existing methods typically focus on short-term engagem…

cs.LG2025

Conditional Quantile Estimation for Uncertain Watch Time in Short-Video Recommendation

Chengzhi Lin, Shuchang Liu, Chuyuan Wang +1

Accurately predicting watch time is crucial for optimizing recommendations and user experience in short video platforms. However, existing methods that estimate a single average wa…

cs.IR2024

Dreaming User Multimodal Representation Guided by The Platonic Representation Hypothesis for Micro-Video Recommendation

Chengzhi Lin, Hezheng Lin, Shuchang Liu +5

The proliferation of online micro-video platforms has underscored the necessity for advanced recommender systems to mitigate information overload and deliver tailored content. Desp…