Factors;Indicators Reliability;"• The contents present in the data set are credible enough to process." "• The data has been generated from a trusted source." Completeness;"• The mandatory and main attributes in the data are not null." "• The data has all the possible states relevant to the user population." "• The data is completely representative of the real-world state." Consistency;"• The source data is consistent even after a certain point in time." "• The physical instance of the data is in accordance with some standard format." "• The value and entries in the data are the same in all the case."