Zhi Liu

According to our database, Zhi Liu authored at least 39 papers between 2012 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Exploratory study of an AI-supported discussion representational tool for online collaborative learning in a Chinese university.

Xi Kong, Zhi Liu, Changsheng Chen, Sannyuya Liu, Zhenguo Xu, Qianhui Tang

Internet High. Educ., 2025

2024

Emotion-Semantic-Aware Dual Contrastive Learning for Epistemic Emotion Identification of Learner-Generated Reviews in MOOCs.

Zhi Liu, Chaodong Wen, Zhu Su, Sannyuya Liu, Jianwen Sun, Weizheng Kong, Zongkai Yang

IEEE Trans. Neural Networks Learn. Syst., November, 2024

SegRewardGraph: unsupervised teaching video story segmentation method based on subtitle length-rewarding strategy and semantic relatedness graphs.

Zhi Liu, Hao Chen, Xi Kong, Chaodong Wen, Jia Chen, Sannyuya Liu, Zongkai Yang

Multim. Tools Appl., May, 2024

Weighted Heterogeneous Graph-Based Three-View Contrastive Learning for Knowledge Tracing in Personalized e-Learning Systems.

Jianwen Sun, Shangheng Du, Zhi Liu, Fenghua Yu, Sannyuya Liu, Xiaoxuan Shen

IEEE Trans. Consumer Electron., February, 2024

Automated Multimode Teaching Behavior Analysis: A Pipeline-Based Event Segmentation and Description.

Qiuyu Zheng, Zengzhao Chen, Mengke Wang, Yawen Shi, Shaohui Chen, Zhi Liu

IEEE Trans. Learn. Technol., 2024

Annotation Guidelines-Based Knowledge Augmentation: Towards Enhancing Large Language Models for Educational Text Classification.

Shiqi Liu, Sannyuya Liu, Lele Sha, Zijie Zeng, Dragan Gasevic, Zhi Liu

CoRR, 2024

Profiling students' learning engagement in MOOC discussions to identify learning achievement: An automated configurational approach.

Zhi Liu, Qianhui Tang, Fan Ouyang, Taotao Long, Sannyuya Liu

Comput. Educ., 2024

2023

Exploring the relationships between students' network characteristics, discussion topics and learning outcomes in a course discussion forum.

Sannyuya Liu, Lingyun Kang, Zhi Liu, Liang Zhao, Zongkai Yang, Zhu Su

J. Comput. High. Educ., December, 2023

Modeling temporal cognitive topic to uncover learners' concerns under different cognitive engagement patterns.

Zhi Liu, Rui Mu, Zongkai Yang, Xian Peng, Sannyuya Liu, Jia Chen

Interact. Learn. Environ., December, 2023

MOOC-BERT: Automatically Identifying Learner Cognitive Presence From MOOC Discussion Data.

Zhi Liu, Xi Kong, Hao Chen, Sannyuya Liu, Zongkai Yang

IEEE Trans. Learn. Technol., August, 2023

Computer-supported collaborative concept mapping: the impact of students' perceptions of collaboration on their knowledge understanding and behavioral patterns.

Sannyuya Liu, Lingyun Kang, Zhi Liu, Jing Fang, Zongkai Yang, Jianwen Sun, Meiyi Wang, Mengwei Hu

Interact. Learn. Environ., August, 2023

Image co-segmentation based on pyramid features cross-correlation network.

Jia Chen, Yasong Chen, Weihao Li, Zhi Liu, Sannyuya Liu, Zongkai Yang

Sci. China Inf. Sci., January, 2023

Dual-feature-embeddings-based semi-supervised learning for cognitive engagement classification in online course discussions.

Zhi Liu, Weizheng Kong, Xian Peng, Zongkai Yang, Sannyuya Liu, Shiqi Liu, Chaodong Wen

Knowl. Based Syst., 2023

2022

Looking at MOOC discussion data to uncover the relationship between discussion pacings, learners' cognitive presence and learning achievements.

Zhi Liu, Xi Kong, Sannyuya Liu, Zongkai Yang, Cuishuang Zhang

Educ. Inf. Technol., 2022

Automated detection of emotional and cognitive engagement in MOOC discussions to predict learning achievement.

Sannyuya Liu, Shiqi Liu, Zhi Liu, Xian Peng, Zongkai Yang

Comput. Educ., 2022

2021

Exploring Students' Flow Level, Social Centrality, and Academic Achievement in a Blended Course.

Zhi Liu, Shanyu Tan, Liang Zhao, Xian Peng, Xi Kong

Proceedings of the 2021 IEEE International Conference on Engineering, 2021

Modeling Temporal Association of Cognition-Topic in MOOC Discussion to Track Learners' Cognitive Engagement Dynamics.

Zhi Liu, Rui Mu, Shiqi Liu, Xian Peng, Sannyuya Liu

Proceedings of the L@S'21: Eighth ACM Conference on Learning @ Scale, 2021

2020

Evolution features and behavior characters of friendship networks on campus life.

Zongkai Yang, Zhu Su, Sannyuya Liu, Zhi Liu, Wenxiang Ke, Liang Zhao

Expert Syst. Appl., 2020

Do College Students Adapt to Personal Learning Environment (PLE)? A Single-Group Study.

Changsheng Chen, Xiangzeng Meng, Junxiao Liu, Zhi Liu

Proceedings of the Big Data Technologies and Applications, 2020

Investigating the Relationship among Students' Interest, Flow and Their Learning Outcomes in a Blended Learning Asynchronous Forum.

Shanyu Tan, Zhi Liu, Shiqi Liu, Zhu Su, Huanyou Chai, Sannyuya Liu

Proceedings of the 12th International Conference on Computer Supported Education, 2020

Investigating the Relationship between Learners' Cognitive Participation and Learning Outcome in Asynchronous Online Discussion Forums.

Zhi Liu, Shiqi Liu, Cuishuang Zhang, Zhu Su, Tianhui Hu, Sannyuya Liu

Proceedings of the 12th International Conference on Computer Supported Education, 2020

Investigating the Differences of Student Interactions between Behavior- and Content-based Networks in Online Discussions.

Tianhui Hu, Huanyou Chai, Sannyuya Liu, Qian Zhang, Guanxian Yi, Zhi Liu, Zhu Su

Proceedings of the 12th International Conference on Computer Supported Education, 2020

2019

Temporal emotion-aspect modeling for discovering what students are concerned about in online course forums.

Zhi Liu, Chongyang Yang, Sylvio Rüdian, Sannyuya Liu, Liang Zhao, Tai Wang

Interact. Learn. Environ., 2019

Effects of Proactive Personality and Social Centrality on Learning Performance in SPOCs.

Sannyuya Liu, Huanyou Chai, Zhi Liu, Niels Pinkwart, Xue Han, Tianhui Hu

Proceedings of the 11th International Conference on Computer Supported Education, 2019

2018

Investigating Relationship Between Discourse Behavioral Patterns and Academic Achievements of Students in SPOC Discussion Forum.

Zhi Liu, Wenjing Zhang, Hercy N. H. Cheng, Jianwen Sun, Sannyuya Liu

Int. J. Distance Educ. Technol., 2018

Characterizing Concept Conveying in Interactions between MOOC Students and Assistants.

Tai Wang, Zhi Liu, Xiao-Xiao Wu, Yun Tang, Xicheng Peng, Sanya Liu

Proceedings of the IEEE International Conference on Teaching, 2018

An Emotion Oriented Topic Modeling Approach to Discover What Students are Concerned about in Course Forums.

Zhi Liu, Tai Wang, Niels Pinkwart, Sannyuya Liu, Lingyun Kang

Proceedings of the 18th IEEE International Conference on Advanced Learning Technologies, 2018

I know who you are: Deanonymization using Facebook Likes.

Sylvio Rüdian, Niels Pinkwart, Zhi Liu

Proceedings of the 48. Jahrestagung der Gesellschaft für Informatik, Architekturen, Prozesse, Sicherheit und Nachhaltigkeit, INFORMATIK 2018, 2018

Social Network Characteristics of Learners in a Course Forum and Their Relationship to Learning Outcomes.

Zhi Liu, Lingyun Kang, Monika Domanska, Sannyuya Liu, Jianwen Sun, Changli Fang

Proceedings of the 10th International Conference on Computer Supported Education, 2018

2017

Unfolding online learning behavioral patterns and their temporal changes of college students in SPOCs.

Hercy N. H. Cheng, Zhi Liu, Jianwen Sun, Sanya Liu, Zongkai Yang

Interact. Learn. Environ., 2017

Discovering the Two-Step Lag Behavioral Patterns of Learners in the College SPOC Platform.

Zhi Liu, Hercy N. H. Cheng, Sanya Liu, Jianwen Sun

Int. J. Inf. Commun. Technol. Educ., 2017

Mining Individual Learning Topics in Course Reviews Based on Author Topic Model.

Sanya Liu, Cheng Ni, Zhi Liu, Xian Peng, Hercy N. H. Cheng

Int. J. Distance Educ. Technol., 2017

Mining Learning Behavioral Patterns of Students by Sequence Analysis in Cloud Classroom.

Sanya Liu, Zhenfan Hu, Xian Peng, Zhi Liu, Hercy N. H. Cheng, Jianwen Sun

Int. J. Distance Educ. Technol., 2017

2016

Sentiment recognition of online course reviews using multi-swarm optimization-based selected features.

Zhi Liu, Sanya Liu, Lin Liu, Jianwen Sun, Xian Peng, Tai Wang

Neurocomputing, 2016

Query-Directed Probing LSH for Cosine Similarity.

Shengyingjie Liu, Jianwen Sun, Zhi Liu, Xian Peng, Sanya Liu

Proceedings of the Fifth International Conference on Network, Communication and Computing, 2016

2015

Blind infrared spectroscopic data restoration with the similarity of multi-scales regularization.

Hai Liu, Zhaoli Zhang, Sanya Liu, Jiangbo Shu, Zhi Liu

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2015

2014

Adaptive multi-view selection for semi-supervised emotion recognition of posts in online student community.

Zongkai Yang, Zhi Liu, Sanya Liu, Lei Min, Wenting Meng

Neurocomputing, 2014

2012

A Novel Random Subspace Method for Online Writeprint Identification.

Zhi Liu, Zongkai Yang, Sanya Liu, Wenting Meng

J. Comput., 2012

Key frame extraction of online video based on optimized frame difference.

Huayong Liu, Wenting Meng, Zhi Liu

Proceedings of the 9th International Conference on Fuzzy Systems and Knowledge Discovery, 2012