Reverse supply chain is a new management mode to win competition for enterprises; information system is an effective tool to support the implementation of reverse supply chain management in enterprises. A system structure was set up and the information integration model was put forward based on...

Social economy has assumed a role of growing importance in these last decades, being seen by several entities and political agents as one of the pillars in a new sustainable economic model. Volunteer programs are multiplying, and greater coordination between the various involved actors is...

Commercial control of the world's published literature has grown to the point where costs are prohibitive for developing nations. This article describes a computer engineer's response to this problem. The result is a publicly-accessible meta-search engine that focuses on open-access sources....