Jianwen Sun
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View article: ROKAN: Toward Interpretable and Domain-Robust Memory Behavior Modeling
ROKAN: Toward Interpretable and Domain-Robust Memory Behavior Modeling Open
View article: Evaluating a Custom Chatbot in Undergraduate Medical Education: Randomised Crossover Mixed-Methods Evaluation of Performance, Utility, and Perceptions
Evaluating a Custom Chatbot in Undergraduate Medical Education: Randomised Crossover Mixed-Methods Evaluation of Performance, Utility, and Perceptions Open
Background: While LLM chatbots are gaining popularity in medical education, their pedagogical impact remains under-evaluated. This study examined the effects of a domain-specific chatbot on performance, perception, and cognitive engagement…
View article: Multi-level Contrastive Learning for Knowledge Tracing
Multi-level Contrastive Learning for Knowledge Tracing Open
Knowledge Tracing (KT) is the task of predicting students’ future performance based on their past interactions with educational resources. A key aspect of KT is representation learning, which aims to capture meaningful features from studen…
View article: Exploring cognitive presence patterns in GenAI-integrated six-hat thinking technique scaffolded discussion: an epistemic network analysis
Exploring cognitive presence patterns in GenAI-integrated six-hat thinking technique scaffolded discussion: an epistemic network analysis Open
Generative artificial intelligence (GenAI) has rapidly permeated educational settings, revolutionizing how university students approach learning and problem-solving. While its benefit to enhance personalized learning and academic performan…
View article: Combining Denoised Neural Network and Genetic Symbolic Regression for Memory Behavior Modeling via Dynamic Asynchronous Optimization
Combining Denoised Neural Network and Genetic Symbolic Regression for Memory Behavior Modeling via Dynamic Asynchronous Optimization Open
View article: Does visualization help AI understand data?
Does visualization help AI understand data? Open
Charts and graphs help people analyze data, but can they also be useful to AI systems? To investigate this question, we perform a series of experiments with two commercial vision-language models: GPT 4.1 and Claude 3.5. Across three repres…
View article: Question Embedding on Weighted Heterogeneous Information Network for Knowledge Tracing
Question Embedding on Weighted Heterogeneous Information Network for Knowledge Tracing Open
Knowledge Tracing (KT) aims to predict students’ future performance on answering questions based on their historical exercise sequences. To alleviate the problem of data sparsity in KT, recent works have introduced auxiliary information to…
View article: Evolvable Psychology Informed Neural Network for Memory Behavior Modeling
Evolvable Psychology Informed Neural Network for Memory Behavior Modeling Open
Memory behavior modeling is a core issue in cognitive psychology and education. Classical psychological theories typically use memory equations to describe memory behavior, which exhibits insufficient accuracy and controversy, while data-d…
View article: Psychological factors enhanced heterogeneous learning interactive graph knowledge tracing for understanding the learning process
Psychological factors enhanced heterogeneous learning interactive graph knowledge tracing for understanding the learning process Open
Introduction With the rapid expansion of online education, there is a burgeoning interest within the EdTech space to offer tailored learning experiences that cater to individual student's abilities and needs. Within this framework, knowled…
View article: Balancing Humans and Machines: A Study on Integration Scale and Its Impact on Collaborative Performance
Balancing Humans and Machines: A Study on Integration Scale and Its Impact on Collaborative Performance Open
In the evolving artificial intelligence domain, hybrid human-machine systems have emerged as a transformative research area. While many studies have concentrated on individual human-machine interactions, there is a lack of focus on multi-h…
View article: Auditory Perception Based Milling Posture Detection and Depth Control Enhancement for Orthopedic Robots
Auditory Perception Based Milling Posture Detection and Depth Control Enhancement for Orthopedic Robots Open
View article: Evaluating the Design Features of an Intelligent Tutoring System for Advanced Mathematics Learning
Evaluating the Design Features of an Intelligent Tutoring System for Advanced Mathematics Learning Open
View article: Triple Correlations-Guided Label Supplementation for Unbiased Video Scene Graph Generation
Triple Correlations-Guided Label Supplementation for Unbiased Video Scene Graph Generation Open
Video-based scene graph generation (VidSGG) is an approach that aims to represent video content in a dynamic graph by identifying visual entities and their relationships. Due to the inherently biased distribution and missing annotations in…
View article: SoFi: Reflection-Augmented Fuzzing for JavaScript Engines
SoFi: Reflection-Augmented Fuzzing for JavaScript Engines Open
JavaScript engines have been shown prone to security vulnerabilities, which can lead to serious consequences due to their popularity. Fuzzing is an effective testing technique to discover vulnerabilities. The main challenge of fuzzing Java…
View article: A Dual-Attention Autoencoder Network for Efficient Recommendation System
A Dual-Attention Autoencoder Network for Efficient Recommendation System Open
Accelerated development of mobile networks and applications leads to the exponential expansion of resources, which causes problems such as trek and overload of information. One of the practical approaches to ease these problems is recommen…
View article: MapOnLearn: The Use of Maps in Online Learning Systems for Education Sustainability
MapOnLearn: The Use of Maps in Online Learning Systems for Education Sustainability Open
Online learning and teaching have become the primary forms of education during the global pandemic, and online learning systems, which can provide fair educational opportunities for everyone, are increasingly important for sustainability i…
View article: Academic Performance Prediction Based on Multisource, Multifeature Behavioral Data
Academic Performance Prediction Based on Multisource, Multifeature Behavioral Data Open
Digital data trails from disparate sources covering different aspects of student life are stored daily in most modern university campuses. However, it remains challenging to (i) combine these data to obtain a holistic view of a student, (i…
View article: Investigate the relationship between learners’ social characteristics and academic achievements
Investigate the relationship between learners’ social characteristics and academic achievements Open
The social interaction behaviors of group learning have obtained a lot of attention from researches, and social network analysis (SNA) plays a critical role in exploring collective interactive patterns. In this paper, we investigated the e…
View article: Social Network Characteristics of Learners in a Course Forum and Their Relationship to Learning Outcomes
Social Network Characteristics of Learners in a Course Forum and Their Relationship to Learning Outcomes Open
View article: A Quality Inspection System for Precision Machinery Based on Generative Modeling
A Quality Inspection System for Precision Machinery Based on Generative Modeling Open