Table 2.

Definition of big data in healthcare.

Definition	Volume: Log⁡(n∗p) ≥ 7
Properties	Great variety
	High velocity
	Challenge on veracity
	Challenge on all aspects of the workflow
	Challenge on computational methods
	Challenge on extracting meaningful information
	Challenge on sharing data
	Challenge on finding human experts
Related concepts	Data reuse
	False knowledge discovery
	Privacy issues