Zifeng Liu

According to our database, Zifeng Liu authored at least 36 papers between 2016 and 2025.

Collaborative distances:

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

2025

What are the differences between student and ChatGPT-generated pseudocode? Detecting AI-generated pseudocode in high school programming using explainable machine learning.

Zifeng Liu, Wanli Xing, Xinyue Jiao, Chenglu Li, Wangda Zhu

Educ. Inf. Technol., July, 2025

Segmentation of Brain Tumor Resections in Intraoperative 3D Ultrasound Images Using a Semisupervised Cross nnSU-Net.

Yuhua Li, Shan Jiang, Zhiyong Yang, Liwen Wang, Zifeng Liu, Zeyang Zhou

Int. J. Imaging Syst. Technol., January, 2025

RK-VQA: Rational knowledge-aware fusion-in-decoder for knowledge-based visual question answering.

Weipeng Chen, Xu Huang, Zifeng Liu, Jin Liu, Lan You

Inf. Fusion, 2025

SGD-SST: Seamless global daily sea surface temperature products reconstruction and validation via deep spatio-temporal fusion model.

Qi Wang, Qiang Zhang, Hongjie Xie, Zifeng Liu, Yushuai Dong

Expert Syst. Appl., 2025

Engaging K-12 Students with Flow-Based Music Programming: An Experience Report on Its Impact on Teaching and Learning.

Zifeng Liu, Shan Zhang, Maya Israel, Robert Smith, Wanli Xing, Victor Minces

Proceedings of the 56th ACM Technical Symposium on Computer Science Education V. 1, 2025

Detecting AI-Generated Pseudocode in High School Online Programming Courses Using an Explainable Approach.

Zifeng Liu, Xinyue Jiao, Wanli Xing, Wangda Zhu

Proceedings of the 56th ACM Technical Symposium on Computer Science Education V. 1, 2025

Do Actions Speak Louder Than Words? Unveiling Linguistic Patterns in Online Learning Communities Using Cross Recurrence Quantification Analysis.

Hyunju Oh, Zifeng Liu, Wanli Xing

Proceedings of the 15th International Learning Analytics and Knowledge Conference, 2025

Who Should Be My Tutor? Analyzing the Interactive Effects of Automated Text Personality Styles Between Middle School Students and a Mathematics Chatbot.

Hai Li, Wanli Xing, Chenglu Li, Wangda Zhu, Bailing Lyu, Fan Zhang, Zifeng Liu

Proceedings of the 15th International Learning Analytics and Knowledge Conference, 2025

Evaluating AI-Generated Distractors in Programming Education: A Human-AI Collaborative Approach.

Zifeng Liu, Bach Ngo, Wanli Xing

Proceedings of the 2025 ACM Conference on International Computing Education Research V.2, 2025

Automatic Distractor and Feedback Generation in Online AI Education: A Design-Based Research Study.

Zifeng Liu

Proceedings of the 2025 ACM Conference on International Computing Education Research V.2, 2025

2024

An Efficient and Multi-Private Key Secure Aggregation Scheme for Federated Learning.

Xue Yang, Zifeng Liu, Xiaohu Tang, Rongxing Lu, Bo Liu

IEEE Trans. Serv. Comput., 2024

Res-MulFra: Multilevel and Multiscale Framework for Brain Tumor Segmentation.

Dan Huang, Luyi Qiu, Zifeng Liu, Yi Ding, Mingsheng Cao

Int. J. Imaging Syst. Technol., 2024

Elementary School Students' and Teachers' Perceptions Towards Creative Mathematical Writing with Generative AI.

Yukyeong Song, Jinhee Kim, Wanli Xing, Zifeng Liu, Chenglu Li, Hyunju Oh

CoRR, 2024

Students' Perceived Roles, Opportunities, and Challenges of a Generative AI-powered Teachable Agent: A Case of Middle School Math Class.

Yukyeong Song, Jinhee Kim, Zifeng Liu, Chenglu Li, Wanli Xing

CoRR, 2024

FEDGE: An Interference-Aware QoS Prediction Framework for Black-Box Scenario in IaaS Clouds with Domain Generalization.

Yunlong Cheng, Xiuqi Huang, Zifeng Liu, Jiadong Chen, Xiaofeng Gao, Zhen Fang, Yongqiang Yang

Proceedings of the IEEE International Parallel and Distributed Processing Symposium, 2024

HGSVerb: Improving Zero-shot Text Classification via Hierarchical Generative Semantic-Aware Verbalizer.

Zifeng Liu, Xu Huang, Weipeng Chen, Jin Liu

Proceedings of the International Joint Conference on Neural Networks, 2024

WIP: From Tweets to Trends: Tracing the Public's Perception of AI in Education Post-ChatGPT.

Fan Zhang, Rui Guo, Wanli Xing, Wangda Zhu, Taehyun Kim, Zifeng Liu

Proceedings of the IEEE Frontiers in Education Conference, 2024

WIP: Understanding Students' In-Video Dropout Behavior in Large Online Math Learning Platform.

Zifeng Liu, Rui Guo, Yukyeong Song, Wanli Xing

Proceedings of the IEEE Frontiers in Education Conference, 2024

Explainable Analysis of AI-Generated Responses in Online Learning Discussions.

Zifeng Liu, Wanli Xing, Chenglu Li

Proceedings of the Joint Proceedings of the Human-Centric eXplainable AI in Education and the Leveraging Large Language Models for Next Generation Educational Technologies Workshops (HEXED-L3MNGET 2024) co-located with 17th International Conference on Educational Data Mining (EDM 2024), 2024

Fair Prediction of Students' Summative Performance Changes Using Online Learning Behavior Data.

Zifeng Liu, Xinyue Jiao, Chenglu Li, Wanli Xing

Proceedings of the 17th International Conference on Educational Data Mining, 2024

KEEP CHATTING! An Attractive Dataset for Continuous Conversation Agents.

Yihe Wang, Jin Liu, Yao Wan, Yitong Li, Zifeng Liu, Weipeng Chen

Proceedings of the Findings of the Association for Computational Linguistics, 2024

2023

WebART: Web-Based Augmented Reality Learning Resources Authoring Tool and Its User Experience Study Among Teachers.

Enrui Liu, Su Cai, Zifeng Liu, Changhao Liu

IEEE Trans. Learn. Technol., February, 2023

An Efficient and Multi-private Key Secure Aggregation for Federated Learning.

Xue Yang, Zifeng Liu, Xiaohu Tang, Rongxing Lu, Bo Liu

CoRR, 2023

Differential diagnosis of secondary hypertension based on deep learning.

Lin Wu, Liying Huang, Mei Li, Zhaojun Xiong, Dinghui Liu, Yong Liu, Suzhen Liang, Hua Liang, Zifeng Liu, Xiaoxian Qian, Jiangtao Ren, Yanming Chen

Artif. Intell. Medicine, 2023

An Approximation for Routing Planning, Mobile Charging, and Energy Sharing for Sensing Devices.

Zifeng Liu, Dejun Kong, Yucen Gao, Haipeng Dai, Xiaofeng Gao, Tian He

Proceedings of the IEEE International Conference on Web Services, 2023

Multi-Candidate Carpooling Routing Problem and Its Approximation Algorithms.

Jiale Zhang, Xiuqi Huang, Zifeng Liu, Xiaofeng Gao, Guihai Chen

Proceedings of the Combinatorial Optimization and Applications, 2023

2022

A data hiding scheme based on single pixel modification with modulus operation.

Sha Wang, Teng Li, Zifeng Liu, Dongbo Pan, Yu Zhang

J. Intell. Fuzzy Syst., 2022

The Effect of Role Assignment on Students' Collaborative Inquiry-based Learning in Augmented Reality Environment.

Xinyue Jiao, Zifeng Liu, Haitao Zhou, Su Cai

Proceedings of the International Conference on Advanced Learning Technologies, 2022

The Effects of AR Learning Environment to Preschool Children's Numerical Cognition.

Zhaoxin Feng, Chenxi Gong, Xinyue Jiao, Zifeng Liu, Su Cai

Proceedings of the International Conference on Advanced Learning Technologies, 2022

2021

Development and Implementation of High Precision Positioning Technology for Electric Vehicle Wireless Charging Coils.

Jie Li, Kejun Qian, Yafei Li, Yi Liu, Zifeng Liu, Linlin Tan

Proceedings of CECNet 2021, 2021

DGAT-onco: A differential analysis method to detect oncogenes by integrating functional information of mutations.

Haoyang Zhang, Junkang Wei, Zifeng Liu, Xun Liu, Yutian Chong, Yutong Lu, Huiying Zhao, Yuedong Yang

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2021

2020

To Improve Protein Sequence Profile Prediction through Image Captioning on Pairwise Residue Distance Map.

Sheng Chen, Zhe Sun, Lihua Lin, Zifeng Liu, Xun Liu, Yutian Chong, Yutong Lu, Huiying Zhao, Yuedong Yang

J. Chem. Inf. Model., 2020

The Influence of Augmented Reality Embedding Cognitive Scaffolds on Elementary Students' Scientific Learning.

Xinyue Jiao, Zifeng Liu, Su Cai

Proceedings of the Proceeding of the 28th International Conference on Computers in Education, 2020

2019

Vascular segmentation of neuroimages based on a prior shape and local statistics.

Yun Tian, Zifeng Liu, Shifeng Zhao

Frontiers Inf. Technol. Electron. Eng., 2019

SparkAIBench: A Benchmark to Generate AI Workloads on Spark.

Zifeng Liu, Xiaojiang Zuo, Zeqing Li, Rui Han

Proceedings of the Benchmarking, Measuring, and Optimizing, 2019

2016

An Active Contour Model Based on Adaptive Threshold for Extraction of Cerebral Vascular Structures.

Jiaxin Wang, Shifeng Zhao, Zifeng Liu, Yun Tian, Fuqing Duan, Yutong Pan

Comput. Math. Methods Medicine, 2016