Data harmonization service intends to merge distinct levels, genres and sources of data to ensure that data is comparable and compatible. data harmonization improves the quality and utility of master data through data cleansing and cataloguing disparate sources of data and provides an integrated picture of data.the data catalog merges all the specifics of organization's data assets using a technical dictionary with regimented classification templates and data requirements. And this enables the method of standardization for abbreviation and description generation.