35. A computer-readable storage medium containing computer-executable instructions for identifying gaps in a knowledge base, by a method comprising: generating a concept graph representing concepts of the knowledge base that connects concepts that are related as indicated by the knowledge base; determining whether connectedness between the concepts of the knowledge base is sufficient to adequately represent the concepts of the knowledge base; and indicating the concepts whose connectedness in the knowledge base is not sufficient and thereby identifying gaps in the knowledge base wherein the instructions are executable by a processor of a computer.
35. A computer-readable storage medium containing computer-executable instructions for identifying gaps in a knowledge base, by a method comprising: generating a concept graph representing concepts of the knowledge base that connects concepts that are related as indicated by the knowledge base; determining whether connectedness between the concepts of the knowledge base is sufficient to adequately represent the concepts of the knowledge base; and indicating the concepts whose connectedness in the knowledge base is not sufficient and thereby identifying gaps in the knowledge base wherein the instructions are executable by a processor of a computer. 36. The computer-readable storage medium of claim 35 wherein the indicating includes identifying documents relating to the concepts whose connectedness in the knowledge base is not sufficient and suggesting that the person read the identified documents.