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ZJ

Zhifeng Jia贾治峰

Ph.D. Candidate in Data Science & Analysis 数据科学与分析 博士候选人

Hong Kong University of Science and Technology (HKUST) 香港科技大学(HKUST)

Retrieval Augmented Generation检索增强生成 (RAG) Knowledge Graph知识图谱 Incremental Learning增量学习 Large Language Models大语言模型

About Me关于我

I am a Ph.D. candidate in Data Science & Analysis at the Hong Kong University of Science and Technology (HKUST), advised by Prof. Lei Chen and co-advised by Prof. Qian Zhang. My research focuses on Retrieval Augmented Generation (RAG), Knowledge Graphs, and Incremental Learning.

我是香港科技大学数据科学与分析方向的博士候选人,导师为陈雷教授,联合导师为张黔教授。我的研究方向包括检索增强生成(RAG)、知识图谱和增量学习。

I co-founded Grimo AI as CTO, building an LLM-empowered knowledge platform that reached #1 on Product Hunt. I have published papers at top venues including ICDE, DASFAA, and ACL. I am passionate about bridging academic research with real-world applications.

我作为CTO联合创立了 Grimo AI,打造大语言模型赋能的知识平台,产品曾登顶 Product Hunt 榜首。我在 ICDE、DASFAA、ACL 等顶级会议发表论文。我热衷于将学术研究与实际应用相结合。

Research Interests研究方向

RAG Systems Knowledge Graphs Graph Embedding Incremental Learning Multimodal LLMs Vector Databases Financial AI

Education教育背景

Hong Kong University of Science and Technology香港科技大学 Hong Kong, China中国香港
Ph.D. in Data Science & Analysis数据科学与分析 博士
Sep 2020 – Jun 2026 (Expected)
Advisor: Prof. Lei Chen · Co-advisor: Prof. Qian Zhang导师:陈雷教授 · 联合导师:张黔教授
Columbia University哥伦比亚大学 New York, USA美国纽约
Visiting Student Intern访问学生实习
Sep 2025 – Dec 2025
Research on financial portfolio analysis via temporal financial knowledge base construction with Prof. Xunyu Zhou.在周迅宇教授指导下开展基于时序金融知识库构建的金融投资组合分析研究。
UM-SJTU Joint Institute, Shanghai Jiao Tong University密歇根大学—上海交通大学联合学院,上海交通大学 Shanghai, China中国上海
B.Sc. in Electrical & Computer Engineering电子与计算机工程 工学学士
Sep 2016 – Jun 2020
Université de technologie de Troyes (UTT)特鲁瓦技术大学(UTT) Troyes, France法国特鲁瓦
Winter Exchange Program冬季交流项目
Dec 2016 – Feb 2017

Publications论文发表

* denotes equal contribution* 表示同等贡献

1
Rule-based Time-Series Multimodal Query Answering
Zhifeng Jia, Haoyang Li, Lei Chen
In Progress进行中
2
Adaptive Cache for Retrieval-Augmented Generation in Attribute Sensitive Query Answering
Zhifeng Jia, Haoyang Li, Lei Chen
ACL 2026
3
SIT: Selective Incremental Training for Dynamic Knowledge Graph Embedding
Zhifeng Jia, Hanmo Liu, Haoyang Li, Lei Chen
ICDE 2025
4
AIR: Adaptive Incremental Embedding Updating for Dynamic Knowledge Graphs
Zhifeng Jia, Haoyang Li, Lei Chen
DASFAA 2023
5
T-FinKB: A Platform of Temporal Financial Knowledge Base Construction
Xinyi Zhu, Liping Wang, Hao Xin, Xiaohan Wang, Zhifeng Jia, Jiyao Wang, Chunming Ma, Yuxiang Zeng
ICDE 2023
6
LiveBoost: a GB-based Prediction System for Liver Fibrosis in Chronic Hepatitis B Patients in China
Zhifeng Jia et al.
Hepatology 2023
7
A Hierarchical Optimizer for Recommendation System Based on Shortest Path Algorithm
Jiacheng Dai, Zhifeng Jia, Xiaofeng Gao, Guihai Chen
ICSOC 2019
8
DeLottery: A Novel Type of Lottery System Based on Smart Contract
Zhifeng Jia, Rui Chen, Jie Li
ICBTA 2019

Experience经历

Retrieval Augmented Generation检索增强生成(RAG) HKUST Big Data Institute香港科技大学大数据研究所
Aug 2024 – Present
Designing novel RAG systems based on cache, vector database and multimodal large language models.设计基于缓存、向量数据库与多模态大语言模型的创新RAG系统。
Dynamic Knowledge Graph Mining动态知识图谱挖掘 HKUST Big Data Institute香港科技大学大数据研究所
Sep 2020 – Aug 2024
Designed novel incremental inference and training methods of knowledge graph embedding models by adaptive subgraph selection. Published 2 papers in ICDE and DASFAA.通过自适应子图选择设计知识图谱嵌入模型的增量推理与训练方法。在ICDE与DASFAA发表论文2篇。
Big Data for Metabolomics代谢组学大数据 HKBU & HKUST
Dec 2022 – Apr 2023
Collaborated with Prof. Wei Jia to formalize unstructured metabolomics data. Built graph-structured database for correlation mining.与贾伟教授合作规范化代谢组学实验数据,构建图结构数据库用于相关性挖掘。
RL-Based Influence Maximization基于强化学习的影响力最大化 Advanced Network Lab, SJTU先进网络实验室,上海交通大学
Apr 2019 – Sep 2019
Designed algorithm DQNSD for influence maximization using DQN-based seed selection.设计并实现DQNSD算法,将DQN应用于种子节点选择以提升影响力最大化效率。
DeLottery SJTU JieLi Lab上海交通大学李颉实验室
Oct 2017 – Aug 2019
Developed a smart-contract-based lottery system using Solidity and RANDAO algorithm for secure random number generation.使用Solidity与RANDAO算法开发基于智能合约的新型彩票系统,实现安全的随机数生成。
Grimo AI Co., Ltd. Hong Kong SAR中国香港特别行政区
Chief Technology Officer & Chief Information Officer首席技术官(CTO)& 首席信息官(CIO)
Jun 2022 – Dec 2024
Co-founded an LLM-empowered knowledge platform that reached #1 on Product Hunt with 1.2k+ followers. Designed prototypes for data lake, vector databases and LLM agents. Led roadshows for VCs including MiraclePlus.共同创立大语言模型赋能的知识平台,登顶Product Hunt榜首,拥有1.2k+关注者。设计数据湖、向量数据库与LLM智能体原型。主导MiraclePlus等风投路演。
Sensetime Technology商汤科技 Shanghai, China中国上海
Researcher & Developer研究员与开发工程师
Dec 2018 – Jan 2020
Co-developed SenseMaze, a smart programming education product for students. Implemented Python-based backend and game design.联合开发智能编程教育产品SenseMaze,负责基于Python的后端编码与游戏设计实现。
Yi Tu Internet Technology依图网络科技 Shanghai, China中国上海
Image Recognition Research Assistant图像识别研究助理
Aug 2018 – Sep 2018
Worked on image recognition using Fast R-CNN models for vehicle detection and license plate recognition.使用Fast R-CNN模型进行车辆检测与车牌识别研究。
Tencent Keen Security Lab腾讯Keen安全实验室 Shanghai, China中国上海
Researcher & Developer研究员与开发工程师
Dec 2017 – Feb 2018
Implemented anti-aliasing scripts for Android APKs and performed mobile security research.实现Android APK反混淆脚本,开展移动安全研究。

Projects项目经历

LUOTUO

Feb 2023 – Feb 2024

Chinese Open Source Large Language Models — Collaborated with co-founder of Sensetime to translate LLMs into Chinese, build benchmarks, and train custom models.中文开源大语言模型 — 与商汤联合创始人合作,将开源大语言模型中文化,搭建基准评测,训练本地化LLM。

LLM NLP Open Source

Smart Platform for KiKiKiKi 智慧平台设计

Oct 2022 – Apr 2023

Led data center and smart restaurant management systems development for chain restaurant KiKi. Managed cross-team collaboration across multiple companies.担任项目经理,推动连锁餐厅KiKi的数据中心与智慧餐厅管理系统开发,组织多组团队协同。

Project Mgmt项目管理 Data Center Supply Chain供应链

iGlove

Aug 2017

Co-invented a wearable gloves keyboard with novel key mapping strategies and low-cost bending sensors. Received a Chinese patent and Best Technical Award.共同发明可穿戴手套键盘,设计新按键映射策略与低成本弯曲传感器。获中国专利及最佳技术奖。

Hardware Patent专利 IoT

Technical Skills技术技能

Languages编程语言

C/C++ Python Pascal MySQL HTML5 Solidity

Tools & Frameworks工具与框架

MongoDB PineCone MATLAB PyTorch Adobe Suite

Leadership & Activities领导力与活动

Executive Committee执行委员 · SJTU Hong Kong Alumni Association上海交通大学香港校友会
Dec 2023 – Present
Executive Committee执行委员 · GBA Youth Innovation & Entrepreneurship Foundation大湾区青年创新创业基金会
Sep 2022 – Present
Member会员 · Hong Kong United Youth Association香港青年联会
Dec 2022 – Present

Contact联系方式

Phone电话

+852 6365 6886

Location地址

Clear Water Bay, HKUST
Hong Kong, China
中国香港
香港科技大学 清水湾