Learning Technologies and Systems
19th International Conference on Web-Based Learning, ICWL 2020, and 5th International Symposium on Emerging Technologies for Education, SETE 2020, Ningbo, China, October 22–24, 2020, Proceedings
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Chapter and Conference Paper
Fault Management Mechanism of Multi-party Cooperation in Network Slicing Environment
In order to solve the problem of low efficiency of virtual network service fault management in the context of multiple virtual network providers and multiple underlying network providers, this paper proposes a...
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Chapter and Conference Paper
Towards the Automated Generation of Readily Applicable Personalised Feedback in Education
Providing personalised feedback to a large student cohort is a longstanding challenge in education. Recent work in prescriptive learning analytics (PLA) demonstrated a promising approach by augmenting predicti...
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Article
Exploring contributors, collaborations, and research topics in educational technology: A joint analysis of mainstream conferences
The diversity and advance of information, communication, and analytical technologies and their increasing adoption to assist instruction and learning give rise to various technology-driven conferences (e.g., a...
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Chapter and Conference Paper
Does Informativeness Matter? Active Learning for Educational Dialogue Act Classification
Dialogue Acts (DAs) can be used to explain what expert tutors do and what students know during the tutoring process. Most empirical studies adopt the random sampling method to obtain sentence samples for manua...
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Chapter and Conference Paper
Robust Educational Dialogue Act Classifiers with Low-Resource and Imbalanced Datasets
Dialogue acts (DAs) can represent conversational actions of tutors or students that take place during tutoring dialogues. Automating the identification of DAs in tutoring dialogues is significant to the design...
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Chapter and Conference Paper
The Road Not Taken: Preempting Dropout in MOOCs
Massive Open Online Courses (MOOCs) are often plagued by a low level of student engagement and retention, with many students drop** out before completing the course. In an effort to improve student retention...
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Chapter and Conference Paper
Generalizable Automatic Short Answer Scoring via Prototypical Neural Network
We investigated the challenging task of generalizable automatic short answer scoring (ASAS), where a scoring model is tasked with generalizing to target domains (provided only with limited labeled data) that h...
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Chapter and Conference Paper
Measuring Inconsistency in Written Feedback: A Case Study in Politeness
Feedback, indisputably, has been widely recognized as one of the most important forms of communication between teachers and students and a significant lever to enhance learning experience and success. However,...
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Chapter and Conference Paper
Popularity Prediction in MOOCs: A Case Study on Udemy
Massive Open Online Courses (MOOCs) have dramatically changed how people access education. Though substantial research works have been carried out to improve students’ learning experiences, very little attenti...
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Chapter and Conference Paper
Towards the Automated Evaluation of Legal Casenote Essays
A legal casenote essay is a commonly assigned writing task to first-year law students aiming to promote their understanding of legal reasoning and help them acquire writing skills in a legal domain. To ensure ...
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Chapter and Conference Paper
Vehicle Detection at Night Based on the Feature of Taillight and License Plate
This paper proposes a algorithm of vehicle feature extraction and detection based on video data for night time. The color characteristics of taillights can be roughly divided into two parts no matter how far o...
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Article
Open AccessUnderstanding MOOC Reviews: Text Mining using Structural Topic Model
Understanding the reasons for Massive Open Online Course (MOOC) learners’ complaints is essential for MOOC providers to facilitate service quality and promote learner satisfaction. The current research uses st...
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Book and Conference Proceedings
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Chapter and Conference Paper
Assessing Algorithmic Fairness in Automatic Classifiers of Educational Forum Posts
Automatic classifiers of educational forum posts are essential in hel** instructors effectively implement their teaching practices and thus have been widely investigated. However, existing studies mostly str...
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Article
Dielectric properties and discharged energy density of poly(vinylidene fluoride) composites with dopamine-modified PMN-PT particles
Dielectric composites have been witnessed a surge of interest in the past few years for its potential application in energy storage due to their excellent dielectric properties and superior breakdown strength....
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Article
Enhanced energy density in poly(vinylidene fluoride) nanocomposites with dopamine-modified BNT nanoparticles
Dielectric nanocomposites have attracted extensive attention since the potential application in the field of energy storage. Nevertheless, it is still a challenge to fabricate dielectric nanocomposites with hi...
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Article
Open AccessXanthine oxidase inhibition attenuates insulin resistance and diet-induced steatohepatitis in mice
Hyperuricemia drives the development of nonalcoholic fatty liver disease (NAFLD). Pharmacological inhibition of xanthine oxidase (XO), a rate-limiting enzyme for uric acid (UA) production, has been demonstrate...
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Chapter and Conference Paper
Investigating the Role of Politeness in Human-Human Online Tutoring
This study aims to investigate the role of politeness in online-tutoring practices by analyzing a large-scale human-human tutorial dialogue dataset. To this end, we employed linguistic theories of politeness t...
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Chapter and Conference Paper
A Comparative Study on Question-Worthy Sentence Selection Strategies for Educational Question Generation
Automatic question generation, which aims at converting sentences i...
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Chapter and Conference Paper
Concept Focus: Semantic Meta-Data for Describing MOOC Content
MOOCs promised to herald a new age of open education. However, efficient access to MOOC content is still hard, thus unnecessarily complicating many use cases like efficient re-use of material, or tailored acce...
