Overview
Jun's primary research interest lies in the area of databases and data-intensive computing. One of his current passions is computational journalism, the idea of leveraging computing to help preserve and advance journalism, especially in the public interest.
For Jun's publications, please see the publications page of his website. (The "Selected Publications" section below is NOT actively curated by himself.)
Current Duke Appointments & Affiliations
Knut Schmidt Nielsen Distinguished Professor of Computer Science
·
2025 - Present
Computer Science,
Trinity College of Arts & Sciences
Professor of Computer Science
·
2014 - Present
Computer Science,
Trinity College of Arts & Sciences
Associate of the Duke Initiative for Science & Society
·
2020 - Present
Duke Science & Society,
University Initiatives & Academic Support Units
Recent Scholarly Works
I-Rex: An Interactive Debugger for SQL
Preprint · July 17, 2026 SQL is declarative in nature and rich in its features. Writing semantically correct SQL queries and finding logical bugs in SQL are not easy, even for experienced programmers, who are often used to the mindset of working with general-purpose programming la ... Link to item CiteEditorial: Special Issue for Selected Papers of VLDB 2023
Journal article VLDB Journal · July 1, 2026 Full text CiteCoresets for Robust Query Optimization
Journal article Proceedings of the ACM on Management of Data · May 12, 2026 Query optimizers must efficiently choose a query plan using noisy estimates of cardinalities. We study robust query optimization, where the optimizer is made aware of the uncertainty in cardinality estimates and needs to select the most ''robust'' ... Full text CiteRecent Grants
III: Medium: Ask the Experts: Generating Question-Answer Pairs for Addressing Information Deficits about Vaccines
ResearchCo-Principal Investigator · Awarded by National Science Foundation · 2022 - 2027III: Medium: Responsive Optimization for Algorithmic Decision Systems
ResearchPrincipal Investigator · Awarded by National Science Foundation · 2024 - 2027IIS: Small: Helping Novices Learn and Debug Relational Queries
ResearchPrincipal Investigator · Awarded by National Science Foundation · 2020 - 2024View All Grants
Education
Stanford University ·
2001
Ph.D.
University of California, Berkeley ·
1995
B.A.