16. The computer system of claim 15 wherein compile the relevant content into the customized learning path comprises: create a learning path node in the learning graph; create an edge between the learning path node and each content node corresponding to the relevant content; and couple the learning path node to the particular person node.
15. The computer system of claim 12 wherein said adaptively derive, from the learning graph, the customized learning path for the particular person node comprises: traverse the learning graph from a particular one of the one or more person nodes to a learning goal node, the learning goal node specifying information to be learned; traverse the learning graph to find a plurality of relevant content to the learning goal based on one or more predefined content identification strategy algorithms; and compile the relevant content into said customized learning path.