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Ruize Ou

dblp:415/1575 · DBLP profile ↗
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2ranked-venue papers
1as first author
2since 2021 · last 2026
0009-0008-6190-1466ORCID · corroborated

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 since 2021Databases, data management, data science and information retrieval · 1 · 1 first-author · 1 since 2021Applied, interdisciplinary, general and emerging computing · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Databases, data mining, and information retrieval
1 paper
Query processing and optimization · 87% Information retrieval · 13%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Query processing and optimization › query rewriting
LLM-based query rewriting
1.012026
Aligning Query Rewriting with Human Cognition and Preference in E-Commerce Search · WWW 2026
Query processing and optimization
query rewriting
1.012026
Aligning Query Rewriting with Human Cognition and Preference in E-Commerce Search · WWW 2026
Information retrieval
e-commerce search
0.312026
Aligning Query Rewriting with Human Cognition and Preference in E-Commerce Search · WWW 2026

Methods — techniques the papers use, named apart from their topics

supervised fine-tuning · 1.0group relative policy optimization · 1.0direct preference optimization · 1.0beam search · 1.0
YearPublicationVenuePosition
2026 Aligning Query Rewriting with Human Cognition and Preference in E-Commerce Search
abstract
In e-commerce search, the diverse ways in which users express intentions lead to lexical and semantic gaps between queries and product descriptions, making query rewriting (QR) indispensable for improving matching efficiency. With the development of LLMs, QR has evolved from discriminative approaches to various LLM-based alignment methods. However, these methods typically treat all queries uniformly, without fundamentally distinguishing their rewriting difficulty or underlying linguistic issues, making the rewritten query deviate from human expectations. To address this limitation, we propose AWHCP (Aligning with Human Cognition and Preference), a novel framework that adopts a human-centric perspective and introduces the Problem–Intention–Fix–Rewrite (PIFR) paradigm. Built upon PIFR, AWHCP establishes a multi-granularity alignment training framework that simultaneously aligns with both system retrieval preferences and human rewriting behaviors. First, we construct high-quality PIFR-structured data and perform supervised fine-tuning to enable the model to learn human-like rewriting patterns. Second, we apply beam search to generate multiple candidates and leverage system-side feedback signals to conduct coarse-grained direct preference alignment, endowing the model with initial difficulty-aware reasoning capabilities. Third, we introduce a multi-dimensional rewrite quality judgment model trained via Group Relative Policy Optimization (GRPO), enabling fine-grained alignment with nuanced human rewriting preferences. Deployed on 1688's main search engine since August 2025, AWHCP has demonstrated strong effectiveness through extensive offline evaluations and large-scale online A/B tests, leading to a +3.9% gain in UV-L2O.
Ruize Ou, Jianzhi Shao, Tao Zhang 0098, Chengfu Huo
WWW1
2026 Enhancing event argument extraction with argument-aware context from low-noise samples
Kai Shuang, Bing Qian, Ruize Ou
Expert Syst. Appl.5