activity
20242026
most citedFrom Principles to Applications: A Comprehensive Survey of Discrete Tokenizers in Generation, Comprehension, Recommendation, and Information Retrieval

2 citations · 4 across the 17 of their papers we have counts for

collaborators

18 papers

cs.AI2026

SCA: Spatial Credit Assignment for Reinforcement Learning of GUI Agents

Shengtian Yang, Ziyu Xiong, Kaibing Yang +6

GUI agents automate tasks on digital devices by grounding language instructions in visual interfaces. Existing group-relative reinforcement learning improves GUI action prediction…

cs.LG2026

OneBid: A Unified Auto-Bidding Foundation Model for Diverse oCPX Advertising Scenarios

Yewen Li, Peng Jiang, Yitian Li +3

Auto-bidding is central to computational advertising, where strategies must maximize advertisers' conversion value under economic constraints. It has evolved from rule-based contro…

cs.AI2026

AgentBrew: Offline Tool-Use Agent Learning from Raw Real-World Trajectories

Zhiyi Lyu, Yewen Li, Longtao Zheng +7

LLM-based agents are increasingly deployed in real-world applications through tool-use APIs, yet training them for specific environments remains fundamentally difficult: real-world…

cs.IR2026

HubMixer: Progressive Latent Hub Mixing for Parameter-Efficient Feature Interaction in Recommendation

Jie Zhou, Zixian Gong, Wenhao Li +6

Learning effective feature interactions is central to industrial recommendation and advertising ranking systems. Recent token-mixing architectures simplify self-attention with ligh…

cs.IR2026

Hierarchical Residual Policy Optimization for Generative Recommendations

Kaifeng Guo, Yiming Yang, Jingtong Gao +6

Generative recommenders select items by autoregressively decoding semantic identifiers (SIDs), whose token positions induce a coarse-to-fine hierarchy over the item space. In pract…

cs.IR2026

From Understanding to Action: Feedback-Grounded Policy Discovery for Generative Recommendation

Zhi Chen, Minmao Wang, Xingchen Liu +8

Semantic-ID-based generative recommenders enable efficient next-item generation, but their item-level supervision mainly captures behavioral co-occurrence and local transitions. La…

cs.CL2026

LBM: Hierarchical Large Auto-Bidding Model via Reasoning and Acting

Yewen Li, Zhiyi Lyu, Peng Jiang +3

The growing scale of ad auctions on online advertising platforms has intensified competition, making manual bidding impractical and necessitating auto-bidding to help advertisers a…

cs.AI2026

Phase-Aware Mixture of Experts for Agentic Reinforcement Learning

Shengtian Yang, Yu Li, Shuo He +4

Reinforcement learning (RL) has equipped LLM agents with a strong ability to solve complex tasks. However, existing RL methods normally use a \emph{single} policy network, causing…

cs.SI2026

Jointly Optimizing Debiased CTR and Uplift for Coupons Marketing: A Unified Causal Framework

Siyun Yang, Shixiao Yang, Jian Wang +6

In online advertising, marketing interventions such as coupons introduce significant confounding bias into Click-Through Rate (CTR) prediction. Observed clicks reflect a mixture of…

cs.LG2026

C2:Cross learning module enhanced decision transformer with Constraint-aware loss for auto-bidding

Jinren Ding, Xuejian Xu, Shen Jiang +3

Decision Transformer (DT) shows promise for generative auto-bidding by capturing temporal dependencies, but suffers from two critical limitations: insufficient cross-correlation mo…

cs.IR2025

Hierarchical Semantic RL: Tackling the Problem of Dynamic Action Space for RL-based Recommendations

Minmao Wang, Xingchen Liu, Shijie Yi +5

Recommender Systems (RS) are fundamental to modern online services. While most existing approaches optimize for short-term engagement, recent work has begun to explore reinforcemen…

cs.GT2025

Generative Auto-Bidding in Large-Scale Competitive Auctions via Diffusion Completer-Aligner

Yewen Li, Jingtong Gao, Nan Jiang +7

Auto-bidding is central to computational advertising, achieving notable commercial success by optimizing advertisers' bids within economic constraints. Recently, large generative m…

cs.LG2025

Navigate the Unknown: Enhancing LLM Reasoning with Intrinsic Motivation Guided Exploration

Jingtong Gao, Ling Pan, Yejing Wang +6

Reinforcement Learning (RL) has become a key approach for enhancing the reasoning capabilities of large language models. However, prevalent RL approaches like proximal policy optim…

cs.LG2025★ 1 cited

Generative Auto-Bidding with Value-Guided Explorations

Jingtong Gao, Yewen Li, Shuai Mao +8

Auto-bidding, with its strong capability to optimize bidding decisions within dynamic and competitive online environments, has become a pivotal strategy for advertising platforms.…

cs.IR2025★ 2 cited

From Principles to Applications: A Comprehensive Survey of Discrete Tokenizers in Generation, Comprehension, Recommendation, and Information Retrieval

Jian Jia, Jingtong Gao, Ben Xue +6

Discrete tokenizers have emerged as indispensable components in modern machine learning systems, particularly within the context of autoregressive modeling and large language model…

cs.AI2024

GAS: Generative Auto-bidding with Post-training Search

Yewen Li, Shuai Mao, Jingtong Gao +6

Auto-bidding is essential in facilitating online advertising by automatically placing bids on behalf of advertisers. Generative auto-bidding, which generates bids based on an adjus…

cs.AI2024

ACQ: A Deployed Two-Stage Framework for Automated Creative Quota Allocation in Large-Scale Online Advertising

Ruizhi Wang, Yu Rong, Kai Liu +4

In digital advertising, demand-side platforms (DSPs) allow advertisers to create multiple ad creatives from a single photo for real-time bidding. While increasing the number of cre…

cs.LG2024★ 1 cited

Dual-Agent Deep Reinforcement Learning for Dynamic Pricing and Replenishment

Yi Zheng, Zehao Li, Peng Jiang +1

We study the dynamic pricing and replenishment problems under inconsistent decision frequencies. Different from the traditional demand assumption, the discreteness of demand and th…