A system, method and computer program for managing resources within an integrated development environment for multiple users. The resources include both content resources and people resources. The method comprises: managing a plurality of nodes representing resources, the nodes including content nodes and person nodes, wherein the node contains a resource reference for referencing the resource; managing one or more links representing one or more relationships between the resources, the links including links between content nodes, between person nodes and between content and person nodes, each link comprising node references to identify the nodes in the relationships and an importance value to identify the importance of the relationship; providing an interface for selecting one of the plurality of content nodes or person nodes; adapting, in response to the user selected node, one or more importance values of certain links.