Teaching with the Help of Talking Heads. - Arthur C. Graesser; Xiangen Hu; Natalie K. Person (ICALT, 2001)

The Human Use Regulatory Affairs Advisor: A Web Based Information Retrieval System with a User-Friendly Interface Design. - Scotty D. Craig; Barry Gholson; Suresh Susarla; Xiangen Hu; Arthur C. Graesser (WebNet, 2001)

Learning about the Ethical Treatment of Human Subjects in Experiments on a Web Facility with a Conversational Agent and ITS Components. - Arthur C. Graesser; Xiangen Hu; Natalie K. Person; Craig D. Stewart; Joe Toth; G. Tanner Jackson; Suresh Susarla; Matthew Ventura (Intelligent Tutoring Systems, 2002)

The Impact of Conversational Navigational Guides on the Learning, Use, and Perceptions of Users of a Web Site. - Arthur C. Graesser; G. Tanner Jackson; Matthew Ventura; James Mueller; Xiangen Hu; Natalie K. Person (AMKM, 2003)

A Revised Algorithm for Latent Semantic Analysis. - Xiangen Hu; Zhiqiang Cai 002; Max M. Louwerse; Andrew Olney; Phanni Penumatsa; Arthur C. Graesser (IJCAI, 2003)

Combining Computational Models of Short Essay Grading for Conceptual Physics Problems. - Matthew Ventura; D. R. Franchescetti; P. Pennumatsa; Arthur C. Graesser; G. Tanner Jackson; Xiangen Hu; Zhiqiang Cai 002 (Intelligent Tutoring Systems, 2004)

A framework of synthesizing tutoring conversation capability with web-based distance education courseware. - Ki-Sang Song; Xiangen Hu; Andrew Olney; Arthur C. Graesser (Comput. Educ., 2004)

The Embodiment of Amodal Symbolic Knowledge Representations. - Max M. Louwerse; Zhiqiang Cai 002; Xiangen Hu; Matthew Ventura; Patrick Jeuniaux (FLAIRS, 2005)

The Role of Discourse Structure and Response Time in Multimodal Communication. - Patrick Jeuniaux; Max M. Louwerse; Xiangen Hu (IVA, 2006)

Cognitively Inspired Nlp-based Knowledge Representations: Further Explorations of Latent Semantic Analysis. - Max M. Louwerse; Zhiqiang Cai 002; Xiangen Hu; Matthew Ventura; Patrick Jeuniaux (Int. J. Artif. Intell. Tools, 2006)

The Right Threshold Value: What Is the Right Threshold of Cosine Measure When Using Latent Semantic Analysis for Evaluating Student Answers? - Phanni Penumatsa; Matthew Ventura; Arthur C. Graesser; Max M. Louwerse; Xiangen Hu; Zhiqiang Cai 002; Donald R. Franceschetti (Int. J. Artif. Intell. Tools, 2006)

AutoTutor Lite. - Xiangen Hu; Zhiqiang Cai 002; Lu Han; Scotty D. Craig; Tianjiang Wang; Arthur C. Graesser (AIED, 2009)

A Lie group based Gaussian Mixture Model distance measure for multimedia comparison. - Liyu Gong; Tianjiang Wang; Yan Yu; Fang Liu 011; Xiangen Hu (ICIMCS, 2009)

Learning with ALEKS: The Impact of Students' Attendance in a Mathematics After-School Program. - Scotty D. Craig; Celia Anderson; Anna E. Bargagliotti; Arthur C. Graesser; Theresa Okwumabua; Allan Sterbinsky; Xiangen Hu (AIED, 2011)

Animal Cognition, Epistemic Fluency, Social Networks and the Scientific Habit of Mind. - Donald M. Morrison; Xiangen Hu (ICMLA (2), 2012)

A Potential Technological Solution for Reducing the Achievement Gap Between White And Black Students. - Xiangen Hu; Yonghong Jade Xu; Charles Hall; Kristin Walker; Theresa Okwumabua (Knowledge Spaces, Applications in Education, 2013)

The Impact of a Mathematical Intelligent Tutoring System on Students' Performance on Standardized High-Stake Tests. - Jeremiah Sullins; Rob Meister; Scotty D. Craig; William M. Wilson; Anna E. Bargagliotti; Xiangen Hu (Knowledge Spaces, Applications in Education, 2013)

AutoTutor 2013: Conversation-Based Online Intelligent Tutoring System with Rich Media (Interactive Event). - Qinyu Cheng; Keli Cheng; Haiying Li; Zhiqiang Cai 002; Xiangen Hu; Arthur C. Graesser (AIED, 2013)

Discovering the Relationship between Student Effort and Ability for Predicting the Performance of Technology-Assisted Learning in a Mathematics After-School Program. - Jun Xie; Xudong Huang; Henry Hua; Jin Wang; Quan Tang 004; Scotty D. Craig; Arthur C. Graesser; King-Ip (David) Lin; Xiangen Hu (EDM, 2013)

Recent Advances in Conversational Intelligent Tutoring Systems. - Vasile Rus; Sidney K. D'Mello; Xiangen Hu; Arthur C. Graesser (AI Mag., 2013)

The impact of a technology-based mathematics after-school program using ALEKS on student's knowledge and behaviors. - Scotty D. Craig; Xiangen Hu; Arthur C. Graesser; Anna E. Bargagliotti; Allan Sterbinsky; Kyle R. Cheney; Theresa Okwumabua (Comput. Educ., 2013)

Exploring real-time student models based on natural-language tutoring sessions. - Benjamin Nye; Mustafa H. Hajeer; Carol Forsyth; Borhan Samei; Xiangen Hu; Keith K. Millis (EDM, 2014)

Semantic Representation Analysis: A General Framework for Individualized, Domain-Specific and Context-Sensitive Semantic Processing. - Xiangen Hu; Benjamin D. Nye; Chuang Gao; Xudong Huang; Jun Xie; Keith T. Shubeck (HCI (25), 2014)

The Impact of Epistemological Beliefs on Student Interactions with an Intelligent Tutoring System. - Scotty D. Craig; Jun Xie; Xudong Huang; Arthur C. Graesser; Xiangen Hu (Intelligent Tutoring Systems, 2014)

AutoTutor and Family: A Review of 17 Years of Natural Language Tutoring. - Benjamin D. Nye; Arthur C. Graesser; Xiangen Hu (Int. J. Artif. Intell. Educ., 2014)

Evaluating the Effectiveness of Integrating Natural Language Tutoring into an Existing Adaptive Learning System. - Benjamin D. Nye; Alistair Windsor; Philip I. Pavlik; Andrew Olney; Mustafa H. Hajeer; Arthur C. Graesser; Xiangen Hu (AIED, 2015)

NewtonianTalk: Integration of Physics Playground and AutoTutor using GIFT. - Matthew Ventura; Xiangen Hu; Benjamin D. Nye; Weinan Zhao (AIED Workshops, 2015)

The Impact of Anomalous Information, Personality, and Motivation on Self- Regulatory Processes in a Multimedia Vicarious Learning Environment. - Jeremiah Sullins; Xiangen Hu (FLAIRS, 2015)

Are You Asking the Right Questions: The Use of Animated Agents to Teach Learners to Become Better Question Askers. - Jeremiah Sullins; Danielle S. McNamara; Samuel Acuff; Daniel Neely; Eric Hildebrand; Grant Stewart; Xiangen Hu (FLAIRS, 2015)

Exploring the effectiveness of a novel feedback mechanism within an intelligent tutoring system. - Jeremiah Sullins; Scotty D. Craig; Xiangen Hu (Int. J. Learn. Technol., 2015)

Can Word Probabilities from LDA be Simply Added up to Represent Documents? - Zhiqiang Cai 002; Haiying Li; Xiangen Hu; Art Graesser (EDM, 2016)

Identifying relevant user behavior and predicting learning and persistence in an ITS-based afterschool program. - Scotty D. Craig; Xudong Huang; Jun Xie; Ying Fang; Xiangen Hu (EDM, 2016)

Making AutoTutor Agents Smarter: AutoTutor Answer Clustering and Iterative Script Authoring. - Zhiqiang Cai 002; Yan Gong; Qizhi Qiu; Xiangen Hu; Art Graesser (IVA, 2016)

An Empirical Study on Academic Commentary and Its Implications on Reading and Writing. - Tai Wang; Xiangen Hu; Keith T. Shubeck; Zhiqiang Cai 002; Jie Tang 001 (CoRR, 2016)

Math Reading Comprehension: Comparing Effectiveness of Various Conversation Frameworks in an ITS. - Keith T. Shubeck; Ying Fang; Xiangen Hu (AIED, 2017)

Learning from Errors: Identifying Strategies in a Math Tutoring System. - Jun Xie; Keith T. Shubeck; Scotty D. Craig; Xiangen Hu (AIED, 2017)

An Analysis of Students' Questions in MOOCs Forums. - Meng Cao; Yun Tang 004; Xiangen Hu (EDM, 2017)

Online Learning Persistence and Academic Achievement. - Ying Fang; Benjamin Nye; Philip I. Pavlik Jr.; Yonghong Xu; Arthur C. Graesser; Xiangen Hu (EDM, 2017)

Why data standards are critical for EDM and AIED. - Xiangen Hu; Robby Robson; Avron Barr (EDM, 2017)

Text analysis with LIWC and Coh-Metrix: Portraying MOOCs Instructors. - Junyi Li; Yun Tang 004; Lijun Sun; Xiangen Hu (EDM, 2017)

Student Learning Strategies to Predict Success in an Online Adaptive Mathematics Tutoring System. - Jun Xie; Shirin Mojarad; Keith T. Shubeck; Alfred Essa; Ryan S. Baker 001; Xiangen Hu (EDM, 2017)

Modeling Student Learning Behaviors in ALEKS: A Two-Layer Hidden Markov Modeling Approach. - Guoyi Wang; Yun Tang 004; Junyi Li; Xiangen Hu (AIED (2), 2018)

Impact of Corpus Size and Dimensionality of LSA Spaces from Wikipedia Articles on AutoTutor Answer Evaluation. - Zhiqiang Cai 002; Art Graesser; Leah Windsor; Qinyu Cheng; David W. Shaffer; Xiangen Hu (EDM, 2018)

Electronixtutor integrates multiple learning resources to teach electronics on the web. - Brent Morgan; Andrew J. Hampton; Zhiqiang Cai 002; Andrew Tackett; Lijia Wang; Xiangen Hu; Arthur C. Graesser (L@S, 2018)

Authoring Conversational Intelligent Tutoring Systems. - Zhiqiang Cai 002; Xiangen Hu; Arthur C. Graesser (HCI (32), 2019)

A Conversation-Based Intelligent Tutoring System Benefits Adult Readers with Low Literacy Skills. - Ying Fang; Anne Lippert; Zhiqiang Cai 002; Xiangen Hu; Arthur C. Graesser (HCI (32), 2019)

Capturing AIS Behavior Using xAPI-like Statements. - Xiangen Hu; Zhiqiang Cai 002; Andrew J. Hampton; Jody L. Cockroft; Arthur C. Graesser; Cameron Copland; Jeremiah T. Folsom-Kovarik (HCI (32), 2019)

Standardizing Unstructured Interaction Data in Adaptive Instructional Systems. - Vasile Rus; Arthur C. Graesser; Xiangen Hu; Jody L. Cockroft (HCI (32), 2019)

nCoder+: A Semantic Tool for Improving Recall of nCoder Coding. - Zhiqiang Cai 002; Amanda Siebert-Evenstone; Brendan R. Eagan; David Williamson Shaffer; Xiangen Hu; Arthur C. Graesser (ICQE, 2019)

Elaborated feedback and learning: Examining cognitive and motivational influences. - Zhen Wang; Shao-Ying Gong; Sheng Xu; Xiangen Hu (Comput. Educ., 2019)

Raising Academic Performance in Socio-cognitive Conflict Learning Through Gamification. - Zhou Long; Dehong Luo; Kai Kiu; Hongli Gao; Jing Qu; Xiangen Hu (AIED (2), 2020)

Enable 3A in AIS. - Faruk Ahmed; Keith T. Shubeck; Frank Andrasik; Xiangen Hu (HCI (43), 2020)

Google Service-Based CbITS Authoring Tool to Support Collaboration. - Lijia Wang; Keith T. Shubeck; Xiangen Hu (HCI (43), 2020)

Collecting 3A Data to Enhance HCI in AIS. - Faruk Ahmed; Genghu Shi; Keith T. Shubeck; Lijia Wang; Jeffrey Black; Emma Pursley; Iqbal Hossain; Xiangen Hu (HCI (31), 2021)

Enhance Conversation-Based Tutoring System with Blended Human Tutor. - Faruk Ahmed; Keith T. Shubeck; Liang Zhang; Lijia Wang; Xiangen Hu (HCI (31), 2021)

A Generic CbITS Authoring Tool Using xAPI. - Jinsheng Pan; Lijia Wang; Keith T. Shubeck; Xiangen Hu (HCI (31), 2021)

The Adaptive Features of an Intelligent Tutoring System for Adult Literacy. - Genghu Shi; Lijia Wang; Liang Zhang; Keith T. Shubeck; Shun Peng; Xiangen Hu; Arthur C. Graesser (HCI (31), 2021)

Teachers' adoption of an open and interactive e-book for teaching K-12 students Artificial Intelligence: a mixed methods inquiry. - Xiangling Zhang; Ahmed Tlili; Keith T. Shubeck; Xiangen Hu; Ronghuai Huang; Lixin Zhu (Smart Learn. Environ., 2021)

A Design of a Simple Yet Effective Exercise Recommendation System in K-12 Online Learning. - Shuyan Huang; Qiongqiong Liu; Jiahao Chen 006; Xiangen Hu; Zitao Liu 001; Weiqi Luo 002 (AIED (2), 2022)

Sensation seeking and cyberbullying among Chinese adolescents: Examining the mediating roles of boredom experience and antisocial media exposure. - Xue-Chen Zhang; Xiao-Wei Chu; Cui-Ying Fan; Frank Andrasik; Hui-Fen Shi; Xiangen Hu (Comput. Hum. Behav., 2022)

Exploring Weibo users' attitudes toward lesbians and gays in Mainland China: A natural language processing and machine learning approach. - Quan Zheng; Ying Guo; Zhen Wang; Frank Andrasik; Ziyi Kuang; Junyi Li; Sheng Xu; Xiangen Hu (Comput. Hum. Behav., 2022)

Assessment in Conversational Intelligent Tutoring Systems: Are Contextual Embeddings Really Better? - Colin M. Carmon; Xiangen Hu; Arthur C. Graesser (AIED (Posters/Late Breaking Results/...), 2023)

Empowering Education with LLMs - The Next-Gen Interface and Content Generation. - Steven Moore; Richard Jiarui Tong; Anjali Singh; Zitao Liu 001; Xiangen Hu; Yu Lu 003; Joleen Liang; Chen Cao 005; Hassan Khosravi; Paul Denny 001; Christopher Brooks 001; John C. Stamper (AIED (Posters/Late Breaking Results/...), 2023)

Exploring the Individual Differences in Multidimensional Evolution of Knowledge States of Learners. - Liang Zhang; Philip I. Pavlik; Xiangen Hu; Jody L. Cockroft; Lijia Wang; Genghu Shi (HCI (34), 2023)

NEOLAF, an LLM-powered neural-symbolic cognitive architecture. - Richard Jiarui Tong; Cassie Chen Cao; Timothy Xueqian Lee; Guodong Zhao; Ray Wan; Feiyue Wang 008; Xiangen Hu; Robin Schmucker; Jinsheng Pan; Julian Quevedo; Yu Lu 003 (CoRR, 2023)

Benefits of prompting students to generate summaries during pauses in segmented multimedia lessons. - Yanqing Wang; Fuxing Wang; Richard E. Mayer; Xiangen Hu; Shaoying Gong (J. Comput. Assist. Learn., 2023)

Modeling learning behaviors and predicting performance in an intelligent tutoring system: a two-layer hidden Markov modeling approach. - Yun Tang 004; Zhengfan Li; Guoyi Wang; Xiangen Hu (Interact. Learn. Environ., 2023)

SPL: A Socratic Playground for Learning Powered by Large Language Model. - Liang Zhang; Jionghao Lin; Ziyi Kuang; Sheng Xu; Xiangen Hu (HEXED/L3MNGET@EDM, 2024)

Predicting Learning Performance with Large Language Models: A Study in Adult Literacy. - Liang Zhang; Jionghao Lin; Conrad Borchers; John Sabatini 001; John Hollander; Meng Cao; Xiangen Hu (HCI (44), 2024)

Generative Adversarial Networks for Imputing Sparse Learning Performance. - Liang Zhang; Mohammed Yeasin; Jionghao Lin; Felix Havugimana; Xiangen Hu (ICPR (6), 2024)

3DG: A Framework for Using Generative AI for Handling Sparse Learner Performance Data From Intelligent Tutoring Systems. - Liang Zhang; Jionghao Lin; Conrad Borchers; Meng Cao; Xiangen Hu (LAK Workshops, 2024)

Where is Ethics in the Evolution of AIED's Future? - Arthur C. Graesser; Xiangen Hu; John P. Sabatini; Colin M. Carmon (Int. J. Artif. Intell. Educ., 2024)

SPL: A Socratic Playground for Learning Powered by Large Language Model. - Liang Zhang; Jionghao Lin; Ziyi Kuang; Sheng Xu; Mohammed Yeasin; Xiangen Hu (CoRR, 2024)

Instructor's direct gaze not body orientation affects learning. - Ziyi Kuang; Fuxing Wang; Frank Andrasik; Xiangen Hu (J. Comput. Assist. Learn., 2024)

Integrative modeling enables ChatGPT to achieve average level of human counselors performance in mental health Q&A. - Yinghui Huang; Weijun Wang; Jinyi Zhou; Liang Zhang; Jionghao Lin; Hui Liu; Xiangen Hu; Zongkui Zhou; Wanghao Dong (Inf. Process. Manag., 2025)

Data Augmentation for Sparse Multidimensional Learning Performance Data Using Generative AI. - Liang Zhang; Jionghao Lin; John Sabatini 001; Conrad Borchers; Daniel Weitekamp III; Meng Cao; John Hollander; Xiangen Hu; Arthur C. Graesser (IEEE Trans. Learn. Technol., 2025)

Generative AI in Education: From Foundational Insights to the Socratic Playground for Learning. - Xiangen Hu; Sheng Xu; Richard Tong; Art Graesser (CoRR, 2025)

Generative Data Imputation for Sparse Learner Performance Data Using Generative Adversarial Imputation Networks. - Liang Zhang; Jionghao Lin; John Sabatini 001; Diego Zapata-Rivera; Carol Forsyth; Yang Jiang; John Hollander; Xiangen Hu; Arthur C. Graesser (CoRR, 2025)

AI-Augmented LLMs Achieve Therapist-Level Responses in Motivational Interviewing. - Yinghui Huang; Yuxuan Jiang; Hui Liu; Yixin Cai; Weiqing Li; Xiangen Hu (CoRR, 2025)

Exploring Communication Strategies for Collaborative LLM Agents in Mathematical Problem-Solving. - Liang Zhang; Xiaoming Zhai; Jionghao Lin; Jennifer Kleiman; Diego Zapata-Rivera; Carol Forsyth; Yang Jiang; Xiangen Hu; Arthur C. Graesser (CoRR, 2025)