activity
20232026
most citedDeep Bag-of-Words Model: An Efficient and Interpretable Relevance Architecture for Chinese E-Commerce

6 citations · 14 across the 16 of their papers we have counts for

collaborators

18 papers

cs.IR2026

Progressive Learning from Content to Relevance to Personalization for CTR Prediction

Zhiguang Yang, Yulin Yang, Fuyu Lv +1

Multimodal click-through rate (CTR) prediction is central to search systems, where ranking depends on item content, query relevance, and user preference. Existing approaches incorp…

cs.AI2026

Sep-Latent: Separator Tokens as Natural Compression Anchors for Implicit Reasoning

Yinlong Xu, Jianfeng Huang, Zhengdong Zhou +5

Large Language Models (LLMs) have demonstrated remarkable success in complex reasoning through explicit Chain-of-Thought (CoT), but the associated computational overhead and token…

cs.IR2026

Beyond Semantic IDs: Encoding Business-Value Ranking into Document Identifiers for Generative Retrieval

Gui Ling, Zhihong Chen, Yu Li +7

Generative Retrieval (GR) formulates retrieval as a sequence-to-sequence generation task, assigning each document a document identifier (DocID) and retrieving it through autoregres…

cs.LG2026

DCEO: Direct Causal Effect Optimization for Long-Term User Value Modeling in E-commerce Search

Junzhao Zhang, Tao Zhang, Liren Yu +4

Industrial e-commerce search systems ultimately aim to optimize the user-level long-term objective, such as n-day cumulative purchases or gross merchandise value (GMV) per user. Ho…

cs.IR2026

TSGR: Taobao Search Generative Retrieval

Tianyu Zhan, Gui Ling, Tong Xiong +9

Generative retrieval (GR) has demonstrated strong promise for industrial e-commerce search by training a single autoregressive model to directly generate the Semantic IDs (SIDs) of…

cs.IR2026

Prompt Generation Technical Report

Dan Ou, Gui Ling, Hao Wan +25

Generative retrieval has become an increasingly adopted paradigm for industrial search, recommendation, and advertising systems, delivering significant online gains. Most existing…

cs.IR2026

KARMA: Knowledge-Action Regularized Multimodal Alignment for Personalized Search at Taobao

Zhi Sun, Wenming Zhang, Yi Wei +4

Large Language Models (LLMs) are equipped with profound semantic knowledge, making them a natural choice for injecting semantic generalization into personalized search systems. How…

cs.IR2026

UniScale: Synergistic Entire Space Data and Model Scaling for Search Ranking

Liren Yu, Caiyuan Li, Feiyi Dong +5

Recent advances in Large Language Models (LLMs) have inspired a surge of scaling research in industrial search, advertising, and recommendation systems. However, existing approache…

cs.IR2025

HHFT: Hierarchical Heterogeneous Feature Transformer for Recommendation Systems

Liren Yu, Wenming Zhang, Silu Zhou +3

We propose HHFT (Hierarchical Heterogeneous Feature Transformer), a Transformer-based architecture tailored for industrial CTR prediction. HHFT addresses the limitations of DNN thr…

cs.IR2025

Retrieval-GRPO: A Multi-Objective Reinforcement Learning Framework for Dense Retrieval in Taobao Search

Xingxian Liu, Dongshuai Li, Jiahui Wan +7

Dense retrieval, as the core component of e-commerce search engines, maps user queries and items into a unified semantic space through pre-trained embedding models to enable large-…

cs.IR2025

Learning to Trust: Dynamic Utilization of Retrieval-Augmented Generation for E-commerce Search Relevance

Tingqiao Xu, Shaowei Yao, Chenhe Dong +5

Accurately estimating query-item relevance is vital for e-commerce ranking and conversion. While Large Language Models (LLMs) excel at reasoning, they often lack specialized knowle…

cs.IR2025

TaoSR-AGRL: Adaptive Guided Reinforcement Learning Framework for E-commerce Search Relevance

Jianhui Yang, Yiming Jin, Pengkun Jiao +6

Query-product relevance prediction is fundamental to e-commerce search and has become even more critical in the era of AI-powered shopping, where semantic understanding and complex…

cs.AI2025

SHE: Stepwise Hybrid Examination Reinforcement Learning Framework for E-commerce Search Relevance

Pengkun Jiao, Yiming Jin, Jianhui Yang +6

Query-product relevance prediction is vital for AI-driven e-commerce, yet current LLM-based approaches face a dilemma: SFT and DPO struggle with long-tail generalization due to coa…

cs.IR2025

RecIS: Sparse to Dense, A Unified Training Framework for Recommendation Models

Hua Zong, Qingtao Zeng, Zhengxiong Zhou +31

In this paper, we propose RecIS, a unified Sparse-Dense training framework designed to achieve two primary goals: 1. Unified Framework To create a Unified sparse-dense training fra…

cs.IR2025★ 1 cited

TaoSR1: The Thinking Model for E-commerce Relevance Search

Chenhe Dong, Shaowei Yao, Pengkun Jiao +7

Query-product relevance prediction is a core task in e-commerce search. BERT-based models excel at semantic matching but lack complex reasoning capabilities. While Large Language M…

cs.IR2024★ 6 cited

Deep Bag-of-Words Model: An Efficient and Interpretable Relevance Architecture for Chinese E-Commerce

Zhe Lin, Jiwei Tan, Dan Ou +3

Text relevance or text matching of query and product is an essential technique for the e-commerce search system to ensure that the displayed products can match the intent of the qu…

cs.IR2023★ 4 cited

Large Language Model based Long-tail Query Rewriting in Taobao Search

Wenjun Peng, Guiyang Li, Yue Jiang +6

In the realm of e-commerce search, the significance of semantic matching cannot be overstated, as it directly impacts both user experience and company revenue. Along this line, que…

cs.IR2023★ 3 cited

Rethinking the Role of Pre-ranking in Large-scale E-Commerce Searching System

Zhixuan Zhang, Yuheng Huang, Dan Ou +4

E-commerce search systems such as Taobao Search, the largest e-commerce searching system in China, aim at providing users with the most preferred items (e.g., products). Due to the…