Yu Liu
Professor at University of Electronic Science and Technology of China
Sichuan, China
Summary
🤩
Rockstar🎓
Top SchoolYu Liu is a professor and researcher with nine years of post-PhD experience specializing in design under uncertainty, uncertainty quantification, system reliability, maintenance planning, and prognostics for remaining useful life. Based at the University of Electronic Science and Technology of China, he blends rigorous academic research with hands-on modeling and optimization developed through long-term teaching and mentoring roles. He has postdoctoral experience from the University of Alberta and visiting research at Northwestern, reflecting an international research footprint in model validation and microstructure statistics. In addition to academic work, he contributes to open-source software as a back-end developer and test automation engineer on the widely used OpenRefine project, improving Wikidata export logic and adding QA scrutinizers for better data quality. That combination of deep reliability expertise and practical software contributions means he moves smoothly between theoretical uncertainty quantification and production-grade tooling. Colleagues describe him as methodical and detail-oriented, with a knack for turning complex reliability problems into testable, automatable solutions.
8 years of coding experience
4 years of employment as a software developer
Ph.D., Mechanical Engineering, Ph.D., Mechanical Engineering at University of Electronic Science and Technology of China
Github Skills (9)
javas10
wikidata10
java10
testng10
testing10
data-cleaning9
data-wrangling9
data-analysis8
data-science8
Programming languages (6)
Github contributions (5)
OpenRefine/OpenRefine
Feb 2020 - Mar 2021
OpenRefine is a free, open source power tool for working with messy data and improving it
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:16 reviews, 37 commits, 33 PRs in 1 year
Contributions summary:Yu focused on improving the OpenRefine's Wikidata extension by addressing a specific issue (#2320) related to the QuickStatementsExporter. They fixed the handling of references and qualifiers within the exporter's logic. Furthermore, the user developed and integrated corresponding test cases to ensure the correct behavior of the QuickStatementsExporter and added a new DescriptionScrutinizer and its corresponding test cases to perform QA checks on item descriptions. These changes contribute to improved data quality and export functionality within the OpenRefine project.
pythonopenrefinemessy-datareconciliationdatacleaning
afkbrb/LightBlog
Dec 2018 - Mar 2020
Contributions:35 commits, 27 pushes, 1 branch in 1 year 3 months
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