First, the concepts about information value are carefully examined, seeking an answer to the following questions: what is the purpose of information for an organization, how are the types of falue classified and what is its economic value? An analysis is presented about the hierarchical information levels in the decision-making process of an organization as follows: data, information, knowledge and intelligence. An analysis is made about the value of information system, based on a methaphorical equation made out of the following factors: portfolio of products and services, quality, cost and replying time. Aspects related to planning are also analysed, as well as the chain of value of information system.
Information value; Information hierarchy; Information system value; Information system value chain
