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# The 31st International Conference on Collaboration Technologies and Social Computing

arie@ui.ac.id / ct25-contact@ml.cc.tsukuba.ac.jp

## Sitemaps

- [XML Sitemap](https://collabtech-indonesia.id/sitemap.xml): Contains all public & indexable URLs for this website.

## Pages

- [](https://collabtech-indonesia.id/) - The 31st International Conference on Collaboration Technologies and Social Computing 4-7th November 2025 CollabTech 2025, hosted by Universitas Indonesia, provides a premier platform for researchers, practitioners, and professionals to exchange knowledge and insights on collaboration technologies and social computing. The conference focuses on the design, development, and implementation of innovative technologies that enhance collaboration in
- [Best Papers](https://collabtech-indonesia.id/best-papers/) - Facilitating Smooth Rejoining in Face-to-Face Group Chats by Sharing Common Conversational Information after Temporary AbsenceJotaro Hori, Masayuki Ando, Kouyou Otsu, and Tomoko Izumi What Makes Turn-Taking Smooth? Analysis of Gaze Behavior During a Multitasking Video ConferenceTaketo Imagawa, Atsuto Kurokochi, Koki Yanagii, Kazuyuki Iso, Masayuki Ihara, and Minoru Kobayashi Self-selected Groups vs. Random Groups: An Analysis
- [Posters](https://collabtech-indonesia.id/posters/) - How Memories of Encounters with Users of Tsundoku Books Contribute to Reading Motivation: An Experiment with Borrowed Library Booksview abstract paperHaruto Nomoto, Masayuki Ando, Kouyou Otsu and Tomoko Izumi Changing the Awareness Level of Learning Space Dynamically Based on Learner Concentrationview abstract paperHayato Nakazawa, Tatsuya Ueda and Hironori Egi RAIKUMA: Task management smartphone app aimed
- [Archive](https://collabtech-indonesia.id/archive/) - Past Conferences Past CollabTech CollabTech 2024 CollabTech 2023 CollabTech 2022 CollabTech 2021 CollabTech 2020 CollabTech 2019 CollabTech 2018 CollabTech 2017 CollabTech 2016 CollabTech 2014 CollabTech 2012 CollabTech 2010 CollabTech 2008 CollabTech 2007 CollabTech 2006 CollabTech 2005 CRIWG CRIWG 2018 CRIWG 2017 CRIWG 2016 CRIWG 2015 CRIWG 2014 CRIWG 2013 CRIWG 2012 CRIWG 2011 CRIWG 2010
- [Proceedings](https://collabtech-indonesia.id/proceedings/) - Access Full Proceedings Here Accepted Posters How Memories of Encounters with Users of Tsundoku Books Contribute to Reading Motivation: An Experiment with Borrowed Library Booksview abstract paperHaruto Nomoto, Masayuki Ando, Kouyou Otsu and Tomoko Izumi Changing the Awareness Level of Learning Space Dynamically Based on Learner Concentrationview abstract paperHayato Nakazawa, Tatsuya Ueda and Hironori Egi
- [Cultural Evening](https://collabtech-indonesia.id/cultural-evening/) - Cultural Evening: A Celebration of Harmony in Diversity Time : 6:30 PM – 9:00 PMVenue : Building 4 - Hoesein Djajadiningrat (Tjan Joe Som Auditorium), FIB UI. Dress Code : Smart Casual atau Traditional Attire Event DescriptionThe Cultural Evening is a special program designed to celebrate the diversity and creativity of our international community. Through music, dance, and
- [Conference](https://collabtech-indonesia.id/conference-program/) - All times in this program are in GMT+7 (Jakarta time)Venue: “Soe Hok Gie” Auditorium, “Sapardi Djoko Damono” Building 9, Faculty of Humanities, Universitas Indonesia, DepokDates: Tuesday, November 4 – Friday, November 7, 2025 Tuesday, November 4th, 2025 15:00 - 18:00 Participant check-in and reception. Margo Hotel, Depok 18.30 - 20:00 Welcoming Dinner. Wednesday, November 5th, 2025
- [Zoom Meeting](https://collabtech-indonesia.id/zoom-meeting/) - The 31st International Conference on Collaboration Technologies and Social Computing Topic: The 31st International Conference on Collaboration Technologies and Social ComputingTime: Nov 5, 2025 07:00 AM Jakarta - until Nov 6, 2025 Join Zoom Meeting here Meeting ID: 990 8466 236Passcode: collab2025
- [City Tour](https://collabtech-indonesia.id/city-tour/) - The Wonder of the Archipelago in One Park Taman Mini Indonesia Indah NEW! Please check the group list and person-in-charge assignments for the TMII City Tour at bit.ly/CityTourGroupsIf your name is missing, kindly contact Meilani at ‪+62 821 4809 6457‬. Thank you. Nestled in East Jakarta lies a breathtaking cultural haven that captures the essence of Indonesia
- [Conference Committee](https://collabtech-indonesia.id/conference-committee/) - Conference Committee General Chairs: Tomoo Inoue, University of Tsukuba, Japan Tamara Adriani Salim, Universitas Indonesia, Indonesia Program Chairs: Hironori Egi, The University of Electro-Communications, Japan Irene-Angelica Chounta, University of Duisburg-Essen, Germany Harry Budi Santoso, Universitas Indonesia, Indonesia Ari Nugraha, Universitas Indonesia, Indonesia Steering Commitee: Nelson Baloian, Universidad de Chile, Chile Ulrich Hoppe, University of Duisburg-Essen,
- [Registration](https://collabtech-indonesia.id/registration/) - Registration for Attendees Important Notes for Authors Each author is allowed to present only one paper per registration. If an author is presenting two papers, they must pay for two separate registrations. At least one registration must be covered for each accepted paper. Registration is mandatory to confirm participation in the program. Registration Dates Registration
- [Speakers](https://collabtech-indonesia.id/speakers/) - Get to Know the CollabTech 2025 Keynote Speakers Dr. Ir. Erdefi Rakun, M.Sc. (Lecturer and Researcher at Faculty of Computer Science, University of Indonesia) Integrating different branches of computer science to develop sign language translation systemsThe need for communication aids for people who are deaf or hard of hearing encouraged us to develop a two-directional
- [Venue](https://collabtech-indonesia.id/venue/) - Conference Venue The CollabTech 2025 Conference will be held at the Faculty of Humanities, University of Indonesia, Depok, in West Java, Indonesia. The campus is located on the outskirts of Jakarta, Indonesia’s capital city. Conference Auditorium The Faculty of Humanities, University of Indonesia is one of the greenest campuses in the Universitas Indonesia area. The
- [Call For Participants](https://collabtech-indonesia.id/call-for-participants/) - Participants Registration for The 31st International Conference on Collaboration Technologies and Social Computing Description: CollabTech 2025, hosted by Universitas Indonesia, provides a premier platform for researchers, practitioners, and professionals to exchange knowledge and insights on collaboration technologies and social computing. The conference focuses on the design, development, and implementation of innovative technologies that enhance collaboration
- [Contact](https://collabtech-indonesia.id/contact/) - Questions or inquiries: arie@ui.ac.id / ct25-contact@ml.cc.tsukuba.ac.jp
- [Call for Papers](https://collabtech-indonesia.id/call-for-papers/) - Submit Your Paper for CollabTech 2025 Be part of CollabTech 2025 and contribute to the advancement of collaboration and technology. We welcome research validated through laboratory experiments, fieldwork, analytical evaluations, case studies, prototyping, and empirical testing. The conference covers a wide range of research areas, including collaboration technology, social media-driven collaboration, organizational design and engineering,
- [Submissions](https://collabtech-indonesia.id/submissions/) - Paper Submission Guidelines Electronic paper submissions are accepted in two categories: Full Papers (up to 16 pages) Work-in-Progress Papers (up to 8 pages) Both full papers and work-in-progress papers will appear in the conference proceedings. Accepted papers will be published by Springer as part of the Lecture Notes in Computer Science (LNCS) series (www.springer.com/lncs). The