Four main components define the usefulness of aggregated data: data volume, which refers to the generation process; data velocity, which relates to how data is captured and stored; and data veracity and value, which are determined by the usefulness of the information collected. In all of these four segments, smart data trumps big data in its current form.

https://insights.samsung.com/2016/07/11/smart-data-is-a-bigger-priority-than-big-data-for-fintech-companies/