Professional & Service Activity

• IEEE Computer
  Editorial Board, 2011-
• IEEE Computer
  Web Technologies Column Editor, 2005-2010
• IEEE Workshop on Data Engineering Issues on Electronic Commerce
  Workshop Co-Chair, 2006-
• The Third IEEE Workshop on Mobile Commerce and Wireless Services,
  Workshop Co-Chair, 2006-
• Special issue on Ontology-based e-Catalog in e-commerce
  Guest Editor, 2006-
• Special Issue on High-speed Internet security for IEEE Computer
  Guest Editor, 2004-
• IEEE Conference on E-Commerce
  Conference Workshop Chair, 2003-