Hi, I'm Wei-Wei Du
A Machine Learning Researcher @ Sony
Education
Aug 2021 - Jun 2023 | M.S. Student in Institute of Data Science and Engineering, National Yang Ming Chiao Tung University
Sep 2017 - Jun 2021 | B.S. Student in Double Specialty Program of Management and Technology, major in Quantitative Finance and Computer Science, minor in Data Science, National Tsing Hua University
Sept. 2014 - Jun. 2017 | Kaohsiung Girls' Senior High School
Research Interests
Self-Supervised Learning in Tabular Data
Recommender System
Natural Language Processing
Research and Work Experience
Machine Learning Researcher @ Sony | Oct 2023 - now
Project Lead & Research Scientist | Jul 2021 - Jun 2023
Built a neighbor relation graph learning framework for real estate appraisal at E.SUN bank to reduce the appraiser’s workload by about 80%.
Applied explainable techniques to analyze the model behavior which helps the appraiser understand the model.
Led a 3-member team, cooperated with the engineering team, and helped deploy the model to production.
Machine Learning Scientist Intern @ Appier | Jun 2022 - Nov 2022
Implemented an ensemble real-time bidding model with new data-driven features from 10M+ e-commerce click stream data.
Conducted tree analysis and feature importance with SHAP to analyze model behavior.
Cooperated with 3 data scientists to build the RTB model for re-engagement campaigns.
Teaching Assistant of Introduction to Artificial Intelligence, NYCU | Feb 2022 - Jun 2022
Designed 2 real-world AI assignments including using yolov5 to detect the parking space and adopting LIME and SHAP to explore the pre-trained language model behavior.
Gave a keynote about the progress of Explainable AI to 100+ students.
Data Scientist Intern @ China Engineering Consultants | Jul 2020 - Dec 2020
Built a time series model to predict pavement damage with various domain experts which was used by New Taipei City Government.
3rd place in Digi+ talent accelerator & jumpstart competition (total 40+ teams)
Co-founder, Leafhopper (a data-driven smart agriculture startup team) | Mar 2019 - Jun 2020
Member of NTHU Garage and 3rd place in the 2020 NTHU Entrepreneur Day.
Attracted over 20,000+ people’s attention to our project.
Award
1st Place, Defactify Multi-modal Fact Verification @ AAAI’23 Workshop | Dec 2022
4th Place, Rounded Evaluation of Recommender Systems, EvalRS @ CIKM’22 Workshop | Oct 2022
2nd Place, Detecting Signs of Depression from Social Media Text @ LT-EDI, ACL'22 Workshop | Feb 2022
3rd Place and National Judges Award, Legal-tech Hackathon | Sep 2021
4th Place, Fake-EmoReact Challenge @ SocialNLP, NAACL'21 Workshop | Jun 2021
3rd Place, Digi+ Talent Accelerator & Jumpstart Competition | Dec 2020
3rd Place, 7th NTHU Entrepreneur Day | May 2020
Award of Merit, International Blockchain Olympiad 2019-Final 19, Hong Kong CityU | Jul 2019
Publication
Chih-Chia Li, Wei-Yao Wang, Wei-Wei Du, Wen-Chih Peng, ”Look Around! A Neighbor Relation Graph Learning Framework for Real Estate Appraisal”, PAKDD 2024 [Paper]
Wei-Wei Du, Wei-Yao Wang, Wen-Chih Peng, ”DoRA: Domain-Based Self-Supervised Learning Framework for Low-Resource Real Estate Appraisal”, CIKM 2023 [First Author] [Paper] [Code]
Wei-Yao Wang, Wei-Wei Du, Wen-Chih Peng, ”ShuttleSet22: Benchmarking Stroke Forecasting with Stroke-Level Badminton Dataset”, IJCAI 2023 IT4PSS Workshop [Second Author] [Paper] [Code]
Wei-Wei Du, Hong-Wei Wu, Wei-Yao Wang, Wen-Chih Peng, ”Team Triple-Check at Factify 2: Parameter-Efficient Large Foundation Models with Feature Representations for Multi-Modal Fact Verification”, AAAI 2023 Workshop on Multimodal Fact Checking and Hate Speech Detection [First Author] [Paper] [Code]
Chih-Chia Li, Wei-Yao Wang, Wei-Wei Du, Wen-Chih Peng, ”Look Around! A Neighbor Relation Graph Learning Framework for Real Estate Appraisal”, AAAI 2023 MuFin Workshop [Best Paper Award] [Third Author] [Paper]
Wei-Wei Du, Wei-Yao Wang, Wen-Chih Peng, ”Track2Vec: Fairness Music Recommendation with a GPU-Free Customizable-Driven Framework”, CIKM 2022 EvalRS Workshop [First Author] [Paper] [Medium] [Code]
Wei-Yao Wang, Wei-Wei Du, Wen-Chih Peng, ”RecFormer: Personalized Temporal-Aware Transformer for Fair Music Recommendation”, CIKM 2022 EvalRS Workshop [Second Author] [Paper] [Code]
Wei-Wei Du*, Wei-Yao Wang*, Yu-Chien Tang*, Wen-Chih Peng, ”NYCU_TWD@LT-EDI-ACL2022: Ensemble Models with VADER and Contrastive Learning for Detecting Signs of Depression from Social Media”, ACL 2022 LT-EDI Workshop (*indicates equal contribution) [First Author] [Paper] [Medium] [Code]
Other Interests
Community
XChange 5th Engineering team
OpenHCI 2021
TWDS 1st mentor program
Study Group
Feb. 2020 - Jun. 2020 | International Relations
Feb. 2020 - Jun 2021 | Business Case Analysis
Leadership
Director of Academic | NTHU Blockchain Club
Chief Public Relations Officer | Student Association of DSPMT
Director of Public Relations | TEDxNTHU
Club
NTHU Astronomy Club
NTHU Yoga Club & NYCU Yoga Club
Services
Program Committee | CIKM 2023, LT-EDI-ACL 2022 [Proceedings]
Student Volunteer | IJCAI 2023, KDD 2023, AAAI 2023, CIKM 2022
Organizer | CoachAI Badminton Challenge @ IJCAI 2023 [Site], IT4PSS @ IJCAI 2023 [Site]
Contact
E-mail: wwdu@gapp.nthu.edu.tw
LinkedIn: https://www.linkedin.com/in/wei-wei-du/
Github: https://github.com/wwweiwei
Medium: https://medium.com/@wwweiwei/