Despite the recent economic downturn, electronic commerce (e-commerce) continues to show strong growth. According to the U.S. Census Bureau, e-commerce retail sales for 2002 reached at $45.6 billion, an increase of 26.9% from 2001, while total retail sales increased 3.1% during the same period....

B2B e-Commerce facilitates the reduction of supply chain intermediaries and reduces transaction costs. This revolution has spawned a number of online marketplaces for freight transportation service procurement. The paper looks into the operational models of existing electronic freight...