An analysis and evaluation apparatus analyzes, for organizations and
individuals, the communication content of email, and extracts common
words for each organization. The analysis and evaluation apparatus
compares common words and concepts for an organization or an individual
that is to be evaluated, with common words and concepts for other
organizations, and performs an evaluation to determine how they influence
the other organizations. Thereafter, the analysis and evaluation
apparatus analyzes the usage level whereat the other organizations
utilize the organization or individual to be evaluated. And then, based
on the usage level and the number of organizations that are influenced by
the organization or the individual to be evaluated, the analysis and
evaluation apparatus evaluates and ascertains the value of the
organization or individual to be evaluated, and analyzes and stores a
time-transient change as to how others are influenced.