Difference between revisions of "Data Science"
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| Line 4: | Line 4: | ||
* Velocity: number of rows/bytes ''per unit time'' | * Velocity: number of rows/bytes ''per unit time'' | ||
(Veracity: Can we trust this data?) | (Veracity: Can we trust this data?) | ||
| + | |||
| + | === Data Model === | ||
| + | Three components: | ||
| + | * Structures | ||
| + | * Constraints | ||
| + | * Operations | ||
Revision as of 00:54, 1 September 2013
The Three V's of Big Data
- Volume: number of rows/objects/bytes
- Variety: number of columns/dimensions/sources
- Velocity: number of rows/bytes per unit time
(Veracity: Can we trust this data?)
Data Model
Three components:
- Structures
- Constraints
- Operations