| 2026 | ICAART | RAG-Enhanced Prompt Compression with Need-Oriented Knowledge for Dialog Based Embodied Navigation. | Hiroaki Shimoma, Sudesna Chakraborty, Takeshi Morita, Aoi Ohta, Masaki Asada, Shusaku Egami, Takanori Ugai, Masahiro Hamasaki |
| 2025 | ICAART | Household Task Planning with Multi-Objects State and Relationship Using Large Language Models Based Preconditions Verification. | Jin Aoyama, Sudesna Chakraborty, Takeshi Morita, Shusaku Egami, Takanori Ugai, Ken Fukuda |
| 2024 | CIKM | VHAKG: A Multi-modal Knowledge Graph Based on Synchronized Multi-view Videos of Daily Activities. | Shusaku Egami, Takanori Ugai, Swe Nwe Nwe Htun, Ken Fukuda |
| 2024 | HCI | Exploring Spatial Relation Awareness Through Virtual Indoor Environments. | Swe Nwe Nwe Htun, Shusaku Egami, Takanori Ugai, Yijun Duan, Ken Fukuda |
| 2023 | HCI | Analysis of Annotation Quality of Human Activities Using Knowledge Graphs. | Shusaku Egami, Mikiko Oono, Mai Otsuki, Takanori Ugai, Ken Fukuda |
| 2011 | HCI | Visualizing Stakeholder Concerns with Anchored Map. | Takanori Ugai |
| 2009 | HCI | Organization Diagnosis Tools Based on Social Network Analysis. | Takanori Ugai, Kouji Aoyama |
| 2009 | RE | Domain Knowledge Wiki for Eliciting Requirements. | Takanori Ugai, Kouji Aoyama |
| 2008 | KES | Visualisation Tool for Cooperative Relations and Its Verification with a Case Study. | Takanori Ugai, Kouji Aoyama |
| 2007 | APSEC | Extraction of Viewpoints for Eliciting Customer's Requirements based on Analysis of Specification Change Records. | Kouji Aoyama, Takanori Ugai, Shigeru Yamada, Akihiko Obata |
| 2007 | KES | Design and Evaluation a Knowledge Management System by Using Mathematical Model of Knowledge Transfer. | Kouji Aoyama, Takanori Ugai, Jun Arima |