2. Requirements and Evaluation of IQ
It has been known that Information Quality (IQ) is not a binary attribute [14]. We should not declare that a set of information is (or is not) of high quality but we should evaluate
information in the context of each specific intended to use [15]. Then we should also feed the result of the evaluation back to improve the IQ. This implies that multiple evaluations must be applied and the results must be recorded for using in the future.