Posts by Collection

Portfolio item number 1

Short description of portfolio item number 1

Portfolio item number 2

Short description of portfolio item number 2

Is ChatGPT the Ultimate Programming Assistant–How Far Is It?

Published in arXiv preprint arXiv:2304.11938, 2023

A study examining the current capability boundary of ChatGPT as a programming assistant.

Recommended citation: Haoye Tian, Weiqi Lu, Tsz On Li, et al. 2023. Is ChatGPT the Ultimate Programming Assistant--How Far Is It? arXiv preprint arXiv:2304.11938. Early benchmark study on LLM coding capability; 400+ citations.
Download Paper

An Empirical Study of Bugs in Data Visualization Libraries

Published in Proceedings of the ACM on Software Engineering, 2025

An empirical analysis of bug characteristics and failure patterns in data visualization libraries.

Recommended citation: Weiqi Lu, Yongqiang Tian, Xiaohan Zhong, et al. 2025. An Empirical Study of Bugs in Data Visualization Libraries. Proceedings of the ACM on Software Engineering, vol. 2, no. FSE, pp. 2075-2098. First systematic study of bugs in visualization libraries; published at CCF-A venue (FSE).
Download Paper

Detecting Rendering Bugs in Imperative Data Visualization Libraries via Equivalent Mutations

Published in arXiv preprint arXiv:2607.12363, 2026

A mutation-based approach for detecting rendering bugs in imperative visualization libraries.

Recommended citation: Weiqi Lu and Yongqiang Tian. 2026. Detecting Rendering Bugs in Imperative Data Visualization Libraries via Equivalent Mutations. arXiv preprint arXiv:2607.12363. First automated testing work for visualization libraries; successfully found 47 new bugs.
Download Paper

Talk 1 on Relevant Topic in Your Field

Published: March 01, 2012

This is a description of your talk, which is a markdown file that can be all markdown-ified like any other post. Yay markdown!

Tutorial 1 on Relevant Topic in Your Field

Published: March 01, 2013

More information here

Talk 2 on Relevant Topic in Your Field

Published: February 01, 2014

More information here

Conference Proceeding talk 3 on Relevant Topic in Your Field

Published: March 01, 2014

This is a description of your conference proceedings talk, note the different field in type. You can put anything in this field.

Teaching experience 1

Undergraduate course, University 1, Department, 2014

This is a description of a teaching experience. You can use markdown like any other post.

Teaching experience 2

Workshop, University 1, Department, 2015

This is a description of a teaching experience. You can use markdown like any other post.