Intro
Preface
Organization
Contents
Online Learning Methodologies, Trust, and Analysis
Decentralized M-Learning Platform with Trusted Execution Environment
1 Introduction
2 Technologies
3 Overview
4 Implementation
5 Evaluation
6 Conclusion
References
Scaffolding Teacher Learning During Professional Development with Theory-Driven Learning Analytics
1 Introduction
2 Related Work
2.1 Theory-Driven LA
2.2 Aiding Non-technical Users in Data Use
3 Research Context
4 Understanding Teachers' Data Use During PD
4.1 Method
4.2 Results

5 Designing the Dashboard Prototype
6 Evaluating the Dashboard Prototype
6.1 Method
6.2 Results
7 Conclusion
References
ImPres: An Immersive 3D Presentation Framework for Mixed Reality Enhanced Learning
1 Introduction
2 Related Work
3 3D Presentation Concept
4 Implemented Presentation System
4.1 System Architecture
4.2 2D Editor
4.3 3D Editor
4.4 Conducting Presentations Using the System
5 Evaluation
5.1 Paper Prototype
5.2 Software Prototype
6 Discussion
7 Conclusion and Future Work
References

Designing a Virtual Learning Environment Based on a Learner Language Corpus
1 Introduction
2 Corpora and Virtual Learning Environments in Language Learning
3 Methods
4 Results
5 Discussion
6 Conclusions and Future Work
References
Is This Fake or Credible? A Virtual Learning Companion Supporting the Judgment of Young Learners Facing Social Media Content
1 Introduction
2 Learning Companion Systems and ITS
3 System Environment and Implementation
3.1 Conceptual Architecture
3.2 PixelFed and Browser Plugin
4 Example Scenario
4.1 Example Walkthrough

4.2 Preliminary User Study
5 Conclusion and Outlook
References
Online Learning Environment with Tools
Extending Narrative Serious Games Using Ad-Hoc Mini-games
1 Introduction
2 Extending the uAdventure Narrative Model Through Ad-Hoc Mini-games
3 Pilots of uAdventure and Ad-Hoc Minigames
3.1 Pilot: Serious Game for Airport Protocols Training
3.2 Developing an Escape Room Game for Promoting Computational Thinking
4 Conclusions and Future Work
References
Supplemental Mobile Learner Support Through Moodle-Independent Assessment Bots
1 Introduction

2 Related Work
2.1 Technology-Mediated Learning
2.2 Assessments in E-learning
2.3 Assessment Bots
3 Assessment Chatbot for Computer Science Lectures
4 Assessment-Handler-Service
5 Evaluation
5.1 Participants
5.2 Materials and Procedure
5.3 Results and Discussion
6 Limitations and Future Work
7 Conclusion
A Extracting Content of Quizzes From Moodle
References
Exploring the Innovative Blockchain-Based Application of Online Learning System in University
1 Introduction
2 Related Works
3 Overview of Blockchain
3.1 Concept of Blockchain