- 2009/07 - SEAFOOD, the Third International Conference on Software Engineering Approaches For Offshore and Outsourced Development (SEAFOOD) (2009/7), PC member
- 2009/04 - JCIS 2009 (The 2nd Japan-China Joint Symposium on Information Systems) (2009/4), Genera-Chairs
- 2006/12 - The Eight International Conference on Information Integration and Web-based Applications & Services (iiWAS2006)(2006/12) PC member
- 2006/09 - The IEEE International Conference on Emerging Technologies and Factory Automation 2006, co-chair for the track on Automated Manufacturing Systems and Enterprise Integration (2006/9)
- 2005 - 2006 •電気学会C部門論文誌特集号ゲストエディタ「日常活動を変革する情報システム技術」(2005-2006)
- 2006 - •システム制御情報学会理事(2006-08) SCI'07プログラム委員長
- 2006 - International Conference on eBusiness, eCommerce and eGovernment (I3E'2006)
- 2005/09 - The IEEE International Conference on Emerging Technologies and Factory Automation 2005, The track on Automated Manufacturing Systems and Enterprise Integration (2005/9) PC member
- 2005/05 - The International Workshop on Ubiquitous Web Systems and Intelligence (UWSI'05)(2005/5) PC member
- 2005 - the fifth International Conference on eBusiness, eCommerce and eGovernment (I3E'2005) PC member
- 2004/09 - The 9th IFAC/IFIP/IFORS/IEA Symposium on Analysis, Design, and Evaluation of Human-Machine Systems (IFAC-HMS 2004) (2004/9) PC member
- 2004/08 - The Sixth International Conference on Information Integration and Web-based Applications & Services (iiWAS2004) (2004/8) PC member
- 2004/07 - The 8th World Multi-Conference on Systemics, Cybernetics and Informatics (SCI2004)(2004/7) PC member & Session Organizer
- 2003 - 2004 •産学戦略研究フォーラムSSR:プロジェクト主査 (2003-2004, 2005-2007, 2008-2009)
- 2004 - •電気学会:21世紀型組織に対応したCSCWシステム技術調査専門委員会 委員長 (2004-06)
- 2003/09 - XML Symposium 2003 in VLDB 2003 (2003/9) PC member
- 2003/09 - The Fifth International Conference On Information Integration and Web-based Applications & Services (2003/9) PC member
- 2001/10 - The Second Kyoto Meeting on Digital Cities (2001/10) PC member
- 2001/09 - 8th IFAC/IFIP/IFORS/IEA Symposium on Analysis, Design, and Evaluation of Human-Machine Systems (2001/9) PC member
- 電気学会 編集委員、情報システム研究会委員、調査研究委員
- 経営工学会 レフェリー委員、関西支部運営委員(定例セミナー主査)など
- ヒューマンインタフェース学会 評議員など
- システム制御情報学会 編集委員、理事
- 人工知能学会 評議員
- 情報処理学会 編集委員、同幹事・主査
- •オブジェクトマネージメントグループOMG標準化委員(WorkFlow)
- IEEE Joint Conference on E-Commerce Technology (CEC'07) and Enterprise Computing, E-Commerce and E-Services (EEE '07) PC member