 At the same time, different types of data marketplaces are proposed for de-siloing and monetising individual and enterprise data .
<coherence>  At the same time, different types of data marketplaces are proposed for de-siloing and monetising individual and enterprise data .
 Since data is now considered a valuable production factor, data marketplaces have appeared to help individuals and enterprises bring it to market to satisfy the ever-growing demand. In such marketplaces, several sources may need to combine their data in order to meet the requirements of different applications .