activity
20242026
most citedA Scalable and Efficient Signal Integration System for Job Matching

3 citations · 3 across the 11 of their papers we have counts for

collaborators

11 papers

cs.IR2026

Embedding Subspace Partitioning for Dynamic Multi-Objective Retrieval

Shaobo Zhang, Alice Leung, Yunxiang Ren +13

Modern industrial recommender systems must optimize across competing objectives, balancing semantic relevance with business metrics such as engagement and revenue. While bi-encoder…

cs.LG2026

Designing Reward Signals for Portable Query Generation: A Case Study in Industrial Semantic Job Search

Ping Liu, Qianqi Shen, Jianqiang Shen +11

Job-search platforms rely on low-bandwidth query interfaces that often fail to capture the high-dimensional complexity of candidate profiles. We present an end-to-end RLAIF (Reinfo…

cs.AI2026

Unified Semantic Modeling Framework for Large-Scale Job Understanding at LinkedIn

Dan Xu, Baofen Zheng, Jianqiang Shen +11

Job understanding is critical to LinkedIn's mission of connecting talent with opportunity. This task involves transforming unstructured and noisy job postings into standardized or…

cs.IR2026

A Unified Structured Query Understanding Framework for Industrial Semantic Search

Ping Liu, Qianqi Shen, Jianqiang Shen +15

Query understanding in large-scale industrial search systems is typically implemented as a cascade of disparate, task-specific components. While individually optimizable, this frag…

cs.IR2026

Policy-Grounded Dynamic Facet Suggestions for Job Search

Dan Xu, Baofen Zheng, Qianqi Shen +11

Job seekers often initiate search with short, underspecified queries. At LinkedIn, over 80% of job-related queries contain three or fewer keywords, making accurate user intent infe…

cs.IR2026

High Fidelity Textual User Representation over Heterogeneous Sources via Reinforcement Learning

Rajat Arora, Ye Tao, Jianqiang Shen +7

Effective personalization on large-scale job platforms requires modeling members based on heterogeneous textual sources, including profiles, professional data, and search activity…

cs.IR2025

Powering Job Search at Scale: LLM-Enhanced Query Understanding in Job Matching Systems

Ping Liu, Jianqiang Shen, Qianqi Shen +9

Query understanding is essential in modern relevance systems, where user queries are often short, ambiguous, and highly context-dependent. Traditional approaches often rely on mult…

cs.LG2025★ 3 cited

A Scalable and Efficient Signal Integration System for Job Matching

Ping Liu, Rajat Arora, Xiao Shi +13

LinkedIn, one of the world's largest platforms for professional networking and job seeking, encounters various modeling challenges in building recommendation systems for its job ma…

cs.LG2024

LinkSAGE: Optimizing Job Matching Using Graph Neural Networks

Ping Liu, Haichao Wei, Xiaochen Hou +11

We present LinkSAGE, an innovative framework that integrates Graph Neural Networks (GNNs) into large-scale personalized job matching systems, designed to address the complex dynami…

cs.LG2024

LiGNN: Graph Neural Networks at LinkedIn

Fedor Borisyuk, Shihai He, Yunbo Ouyang +20

In this paper, we present LiGNN, a deployed large-scale Graph Neural Networks (GNNs) Framework. We share our insight on developing and deployment of GNNs at large scale at LinkedIn…

cs.LG2024

LiRank: Industrial Large Scale Ranking Models at LinkedIn

Fedor Borisyuk, Mingzhou Zhou, Qingquan Song +31

We present LiRank, a large-scale ranking framework at LinkedIn that brings to production state-of-the-art modeling architectures and optimization methods. We unveil several modelin…