Dong Viet Hoang
Hoang V. Dong · PhD Candidate, Computer Science · SMU School of Computing and Information Systems · Singapore
Education
Jan 2022 — Present
Ph.D. in Computer Science
Singapore Management University — School of Computing and Information Systems
Advised by Prof. Yuan Fang (primary) and Prof. Hady W. Lauw. Research in recommender systems, contrastive learning, and LLMs for recommendation and IR.
Aug 2016 — Jul 2020
B.Sc. in Computer Science, Honors Program
University of Engineering and Technology — Vietnam National University, Hanoi
Graduate Grade: Distinction. Thesis "Intent Analysis and Identification for E-commerce Search Queries" — 4/4.
Experience
2023 — Present
Founder — Mavenpath (mavenpath.edu.vn)
Live e-learning platform for high-quality lectures, Vietnam
Lead product direction, platform architecture and operations. Built the live classroom, recording and course management stack from the ground up.
Ongoing
Founder — Hai Trinh Tau Thuyen
Vessel monitoring & offline fishing-log digitisation
Designed and built a system that monitors vessels and digitises the storage of fishing logs at sea in environments without internet access, with later reconciliation on shore.
Aug 2020 — Aug 2021
Teaching & Research Assistant
Vietnam National University, Hanoi
- Graded assignments and ran practice modules for the Data Structures & Algorithms course.
- Prepared lesson plans and delivered classroom presentations for the lab component.
- Reported on each student's achievement and progress to support the supervising instructor's evaluation.
- Monitored in-class activity and guided students through course development.
May 2019 — Aug 2020
AI Research Collaborator
Sendo JSC, Hanoi
- Built a logo-detection system to flag counterfeit products on the e-commerce platform (YOLOv3, InceptionV3).
- Modelled user-intent in e-commerce search queries to improve the ranking engine (Bi-LSTM, CRF, FastText).
May 2019 — Jun 2020
Data Scientist
AIPI JSC, OSP-Global
- Keyword extraction over Vietnamese news articles — TF-IDF, TextRank, SingleRank.
- Named Entity Recognition for Vietnamese news — Bi-LSTM, CRF, n-grams, contextual string embeddings.
- Relevant-news content engine powering NewsAi — high-performance KNN + KD-Tree + TF-IDF.
- Articles classification against a predefined taxonomy — MaxEnt, SVM, linear BoW.
- Customer segmentation inside a larger Big Data project — EM, K-Means, RFM metrics.
Summer 2018 — Present
Research Student
Data Science & Knowledge Technology Lab (DS&KT), UET-VNU
Research in fairness for recommender systems, data mining, and e-commerce fraud detection; experiments with Fuzzy and Rough Set methods.
Teaching
VNU · 2020–2021
Teaching Assistant — Data Structures & Algorithms
University of Engineering and Technology, VNU Hanoi
Ran the practice module, prepared lesson plans, delivered in-class presentations, graded assignments, and reported student progress to the instructor.
SMU · Ongoing
Graduate Teaching Assistant — SMU SCIS
Singapore Management University
Teaching assistance across courses in computing and information systems during the PhD programme.
Publications
-
WSDM 2025
A Contrastive Framework with User, Item and Review Alignment for Recommendation
-
KES 2024
Collaborative Fair-is-Better Filtering for Implicit Feedback
Achievements
- Singapore MOE Scholarship (2022) — full PhD scholarship in Computer Science, Singapore Management University.
- Vietnam Digital Award 2025 — national recognition for digital innovation contributions in Vietnam.
- SIGIR Travel Award 2025 — to attend WSDM 2025.
- Third Prize — Scientific Research Conference for Undergraduates 2020 at UET-FIT for "Intent analysis and identification for E-commerce search queries."
- Rank 7 at VLSP-Shared Task 2019: Hate Speech Detection.
- Scholarship for top 5% excellent students at University of Engineering and Technology.
Academic Service
Organisation
- Organiser — The Web Conference (WWW) · A*-tier
- Committee Member — SIGIR 2025 · A*-tier
Reviewing — Conferences
- Reviewer — KDD 2024 · A*-tier
- Reviewer — WSDM 2025 · A*-tier
Reviewing — Journals
- Reviewer — Tsinghua Science and Technology · Q1 journal
Volunteer & Community
2026 — Present
President — Dong Hanh Singapore
Leading the Singapore chapter of a non-profit that supports youth from underprivileged backgrounds in Vietnam. Member of the chapter since 2022.
2025 / 2026
Vice-President — SMU Business Intelligence & Analytics Club
Running events, mentoring, and bridging analytics practice with the SMU student community.
2025
Volunteer — DASFAA 2025
Singapore
On-site volunteer at the 30th International Conference on Database Systems for Advanced Applications.
2022 — Present
Member — Dong Hanh Singapore
Active member supporting education and outreach programmes for underprivileged Vietnamese youth.
Skills
Programming
PythonJavaC / C++Spark
ML / Data
PyTorchRecommender SystemsLLMsContrastive LearningNLPData Mining
Data Engineering
Data PipelinesClusteringClassical Analysis
Tools & Other
LaTeX / MarkdownOOPEnglish (Working Prof.)Vietnamese (Native)