Anonymity-preserving Methods for Client-side Filtering in Position-based Collaboration Approaches -- What Do Remote Music Performances Lack -- A Method for Estimating Worker States Using a Combination of Ambient Sensors for Remote Collaboration -- Tag chat: A tag-based past topics recollection support system -- Availability of Disaster Preparedness Awareness Improvement for Supplying Knowledge using Microblog and Comic Expression -- Technological Feasibility of a Smartphone-based System to Integrate Volunteers into Professional Rescue Processes -- A Triage Training System Considering Cooperation and Proficiency of Multiple Trainees -- A Scratch-based Collaborative Learning System with a Shared Stage Screen -- AccelChalk: Detecting Writing Actions with Chalk Acceleration for Collaboration between Teachers and Students -- Tourist Information Extraction Method from Tweets without Tourist Spot Names for Tourist Information Visualization System -- Enhancing Participation Balance in Intercultural Collaboration -- Support of Foreign Tourists with Culturally Situated Associations -- Enhancing Learners' Cross-cultural Understanding in Language and Culture Class Using InCircle -- Children's Social Behavior Analysis System using BLE and Accelerometer -- Extension of Smartphone by Wearable Input/output Interface with Floor Projection -- Introducing Gamification to Cleaning and Housekeeping Work.