| 2010 | ICSEA | Syntax and Semantics of Workflows That Include Passbacks. | Osamu Takaki, Izumi Takeuti, Noriaki Izumi, Kiti Hasida |
| 2009 | ICSEA | Service System Development Based on Web Process Ontology. | Noriaki Izumi, Osamu Takaki, Kiti Hasida |
| 2008 | ICSEA | Incremental Verification of Large ScaleWorkflows Based on Extended Correctness. | Osamu Takaki, Izumi Takeuti, Takahiro Seino, Noriaki Izumi, Koichi Takahashi |
| 2007 | CIDM | Navigation Space Based Intranet Usability Analysis. | Peter Gczy, Noriaki Izumi, Shotaro Akaho, Kiti Hasida |
| 2007 | IKE | Knowledge Extraction, Analysis, and Management of Intranet Serviceability. | Peter Gczy, Noriaki Izumi, Shotaro Akaho, Kiti Hasida |
| 2007 | ICSEA | Verification Algorithm of Evidence Life Cycles in Extended UML Activity Diagrams. | Osamu Takaki, Takahiro Seino, Izumi Takeuti, Noriaki Izumi, Koichi Takahashi |
| 2006 | AINA | Toward Role-based Agent Coordination for Mobile and Ubiquitous Services. | Akio Sashima, Noriaki Izumi, Koichi Kurumatani, Yoshiyuki Kotani |
| 2006 | IIWAS | Navigation Space Formalism and Exploration of Knowledge Worker Behavior on Intranet. | Peter Gczy, Noriaki Izumi, Shotaro Akaho, Kiti Hasida |
| 2004 | IROS | Smart navigation by lightweight components coordination in ubiquitous computing. | Shigeyoshi Hiratsuka, Yutaka Matsuo, Akio Sashima, Akira Takagi, Noriaki Izumi, Koichi Kurumatani |
| 2004 | ICWS | Location-Mediated Coordination of Web Services in Ubiquitous Computing. | Akio Sashima, Noriaki Izumi, Koichi Kurumatani |
| 2002 | PRICAI | Semantic Integration of E-business Models Based on Multi-layered Repository. | Noriaki Izumi, Takahira Yamaguchi |
| 2001 | IJCAI | Building Business Applications By Integrating Heterogeneous Repositories Based on Ontologies. | Noriaki Izumi, Takahira Yamaguchi |
| 1999 | EKAW | An Interoperative Environment for Developing Expert Systems. | Noriaki Izumi, Akira Maruyama, Atsuyuki Suzuki, Takahira Yamaguchi |