Abstract: An information management system configured to integrate a one-to-many business process interaction using on-demand supply chain management among enterprises who are customers of and suppliers to eachother comprises an entitlement engine, a web service aggregator, and a private exchange network operable to link the entitlement engine with the web service aggregator. The entitlement engine comprises a relational entitlement component, a pass-thru entitlement component, and a resource entitlement component, wherein the relational entitlement component parses data based on a predefined business process among the enterprises, wherein the pass-thru entitlement component parses data from one enterprise up to an n number of enterprises, and wherein the resource entitlement component parses data based on available resources of the enterprises. The web service aggregator comprises rules, which are maintained in the private exchange network.