Cost-Sensitive Boosting: Fitting an Additive Asymmetric Logistic Regression Model. - Qiujie Li; Yaobin Mao; Zhiquan Wang; Wenbo Xiang (ACML, 2009)

Robust Real-Time Detection of Abandoned and Removed Objects. - Qiujie Li; Yaobin Mao; Zhiquan Wang; Wenbo Xiang (ICIG, 2009)

Attacks and design of image recognition CAPTCHAs. - Bin B. Zhu; Jeff Yan; Qiujie Li; Chao Yang; Jia Liu; Ning Xu; Meng Yi; Kaiwei Cai (CCS, 2010)

An efficient data-scalable algorithm for image orientation detection. - Qiujie Li; Yaobin Mao; Zhiquan Wang (ICIP, 2010)

A review of boosting methods for imbalanced data classification. - Qiujie Li; Yaobin Mao (Pattern Anal. Appl., 2014)

A computer vision attack on the ARTiFACIAL CAPTCHA. - Qiujie Li (Multim. Tools Appl., 2015)

Understanding Engagement in MOOCs. - Qiujie Li; Rachel B. Baker (EDM, 2016)

The different relationships between engagement and outcomes across participant subgroups in Massive Open Online Courses. - Qiujie Li; Rachel B. Baker (Comput. Educ., 2018)

Towards Accurate and Fair Prediction of College Success: Evaluating Different Sources of Student Data. - Renzhe Yu; Qiujie Li; Christian Fischer 007; Shayan Doroudi; Di Xu (EDM, 2020)

Does blended instruction enhance English language learning in developing countries? Evidence from Mexico. - Di Xu; Danny Glick; Fernando Rodriguez; Bianca Cung; Qiujie Li; Mark Warschauer (Br. J. Educ. Technol., 2020)

Using clickstream data to measure, understand, and support self-regulated learning in online courses. - Qiujie Li; Rachel B. Baker; Mark Warschauer (Internet High. Educ., 2020)

Beyond First Encounters with Analytics: Questions, Techniques and Challenges in Instructors' Sensemaking. - Qiujie Li; Yeonji Jung; Alyssa Friend Wise (LAK, 2021)

Unpacking Instructors' Analytics Use: Two Distinct Profiles for Informing Teaching. - Qiujie Li; Yeonji Jung; Bernice d'Anjou; Alyssa Friend Wise (LAK, 2022)

Online instruction for a humanized learning experience: Techniques used by college instructors. - Qiujie Li; Maricela Bañuelos; Yujia Liu; Di Xu (Comput. Educ., 2022)

Can student-facing analytics improve online students' effort and success by affecting how they explain the cause of past performance? - Qiujie Li; Di Xu; Rachel B. Baker; Amanda J. Holton; Mark Warschauer (Comput. Educ., 2022)

What predicts the use of interaction-oriented pedagogies? The role of self-efficacy, motivation, and employment stability. - Gabe Avakian Orona; Qiujie Li; Peter McPartlan; Carrie Bartek; Di Xu (Comput. Educ., 2022)

Total leaf area estimation based on the total grid area measured using mobile laser scanning. - Qiujie Li; Yuxi Xue (Comput. Electron. Agric., 2023)

College online courses have strong design in scaffolding but vary widely in supporting student agency and interactivity. - Xuehan Zhou; Qiujie Li; Di Xu; XunFei Li; Christian Fischer 007 (Internet High. Educ., 2023)

The promise of using study-together groups to promote engagement and performance in online courses: Experimental evidence on academic and non-cognitive outcomes. - Xuehan Zhou; Qiujie Li; Di Xu; Amanda J. Holton; Brian K. Sato (Internet High. Educ., 2023)

Varying Impacts: The Role of Student Self-Evaluation in Navigating Learning Analytics. - Qiujie Li; Xuehan Zhou; Di Xu; Rachel B. Baker; Amanda J. Holton (L@S, 2024)

Performance evaluation of 2D LiDAR SLAM algorithms in simulated orchard environments. - Qiujie Li; Hongyi Zhu (Comput. Electron. Agric., 2024)

Not ALL Delay is Procrastination: Analyzing Subpatterns of Academic Delayers in Online Learning. - Jinwon Kim; Qiujie Li; Zilu Jiang; Di Xu (LAK, 2025)

Unlocking success: Key features of college online pedagogical practices that predict better performance. - Qiujie Li; Xuehan Zhou; Di Xu (Comput. Educ., 2025)

Does professional development for online instruction improve student course outcomes? - Xuehan Zhou; Qiujie Li; Di Xu (Internet High. Educ., 2025)

Point cloud recognition of street tree canopies in urban Internet of Things based on laser reflection intensity. - Xu Liu; Qiujie Li; Youlin Xu; Shakir Khan; Fa Zhu (Sustain. Comput. Informatics Syst., 2025)