On e-marketplace and e-hub

The following are some resources on e-marketplaces and e-hubs

1. Types of e-marketplaces: http://www.businesslink.gov.uk/bdotg/action/detail?itemId=1075387418&type=RESOURCES
2. e-marketplace technology: http://www.jsatech.com/?page_id=63
3. Web-hub: http://encyclopedia2.thefreedictionary.com/e-hub

Related note

Reference
blog article on e-supply chain management: http://josephho33.blogspot.hk/2011/08/e-supply-chain-management-resource-list.html