This book constitutes the proceedings of the 31st International Conference on Collaboration Technologies and Social Computing, CollabTech 2025, held in Jakarta, Indonesia, during November 4–7, 2025.
The 12 full and 8 short papers presented in this volume were carefully reviewed and selected from 50 submissions.
They are grouped into the following topics: Collaborative Learning and Group Interaction; Technology-Mediated Communication and Online Environments; AI in Education: LLMs and Content Generation; Social Interaction, Community and Public Spaces; Systems for Supporting Discourse and Understanding.
.- Dynamic Analysis of Social Capital in Commercial Areas Using Connection Networks. .- Facilitating Smooth Rejoining in Face-to-Face Group Chats by Sharing Common Conversational Information after Temporary Absence. .- A System for Extracting Discussion Topics Worth Deeper Exploration. .- Emotional Analysis of Excluded Person Using Review Texts. .- Simulating Collaborative Learning with Data-Driven LLM-Agents. .- Exploring the potential of hackathons as a means to promote understanding of AI literacy: a case study. .- Public Quest: A Communication Game to Foster Understanding and Relationships in Public Space. .- What Makes Turn-Taking Smooth? Analysis of Gaze Behavior during a Multitasking Videoconference. .- Supporting Time-Constrained Student Sports Journalists: Smartwatch Flagging and Match Visualization for Better Interview Questions. .- Structural Analysis of Rebuttals to Evaluate Argumentative Interaction in Parliamentary Debates. .- Do You See What I See? Vocal Cues to Visual Acuity Discrepancies in VR-Based Stargazing. .- A Proposal and Evaluation for Externalizing Thoughts of Passive Speakers in Three-party Video Conferences with Gaze Tracking Functionality. .- Research on Switching Learning Tasks According to Fatigue Levels to Accommodate Possibility of Interaction. .- Temporal Analysis of User Engagement, Technology Trends and Emotional Dynamics on Stack Overflow. .- Social Interactions and Online Engagement in CSCL Environments: Examining a Measurement Scale. .- Estimating Discussion State from Head Movements in Collaborative Learning Environments. .- Self-Selected Groups vs. Random Groups: An Analysis of Student Engagement, Achievement, and Preferences in Collaborative Learning. .- Evaluation of LLM-based Feedback Generation for Distance Project-Based Learning. .- How Do People Use Others’ and Their Own Traces in Free Exploration?. .- Generating Vicarious Dialogue for Online Learning Using Knowledge Graph-Based Retrieval-Augmented Generation.
