Big Data versus Small Data

 

Big Data and Small Data are not comparable.

Here we include a series of differences stablished by one of us (Ferrer-Roca O.) that are not complete and from which we appreciate any input.

Characteristics

BIG DATA

SMALL DATA

Belongs to Governement/State Individuals/Patient
Anonimized YES NO
Encripted NO YES
Processed in The Cloud The Fog
Response Months / Years Minutes / On time
Obtained from Institutions/EHRs Sensors / At home / PHR
Procesed by Data Base tools e-Agents
Stored by Govern/Distributed Individuals/ Personal Assistants
Stored in Anywhere Users’ country
Useful for Decision makers Individuals

To whom it belongs, what to do with it and how to do it are the main differences.

For that reason it is serious to consider how to protect the small data that belong to individuals because it is not anonimized.

A summary of what is considered a Personal Health Data can be seen in the following link.

 Personal Health Data

Genetic → Lifestyle → Interventional → Monitoring
Predisposition Diet Procedures Continuous/Scheduled
Effectiveness Exercise Medications Predictive
Family History Health Habits Visits/Admissions Trends

 

The year 2014 was considered the Year of the Small Data that furthermore was defined as follows: Small data connects people with timely, meaningful insights (derived from big data and/or “local” sources), organized and packaged – often visually – to be accessible, understandable, and actionable for everyday tasks. 

We added the way of processing not in The Cloud, but in The Fog with all tools provided by Health 4.0

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