Ensemble modeling - useful for Data Warehousing, Big Data, Data Science and more. This presentation also provides insight into the Data Vault method.

2. ENSEMBLE MODELLING
Brian Bradley
23rd February 2017
New Zealand Big Data and Business Intelligence Meetup

3. WHERE DOES ENSEMBLE MODELLING FIT?
System of Record Ensemble Presentation
Order
Order
Line
Fact
Order
Product
Order
OrderProduct
Customer

4. INTRODUCING DATA VAULT
How does it differ from other
approaches?
Data Vault is a methodology to
build Data Warehouses. The latter
is a keystone of Business
Intelligence. It’s all about making
sense from the collected data.
You can read an explanation at
http://optimalbi.com/blog/2017/02/01/what-is-data-
vault/

5. WEIGHING YOUR OPTIONS
What is the
purpose?
What are the
feature
considerations?
With your
purpose in mind,
assess the
impact
Have you listed
all the pros and
cons?

6. ENSEMBLE
“A GROUP OF PEOPLE OR THINGS THAT MAKE UP A
COMPLETE UNIT (SUCH AS A MUSICAL GROUP, A GROUP
OF ACTORS OR DANCERS, OR A SET OF CLOTHES)”
Merriam Webster Dictionary

8. UNIFIED DECOMPOSITION
Ensemble Modelling breaks things
out into their constituent parts so
that we can capture things that are
interpreted or changed differently to
one another.

9. UNIFIED DECOMPOSITION

10. UNIFIED DECOMPOSITION
… then reunifies
them, using a
common standard
view of unified
concepts.

18. BUSINESS DRIVEN MODELLING WITH DATA
VAULT

19. KEY BUSINESS CONCEPTS
(Ensembles!)
Ensemble Key Attributes
Customer Customer Number Name Address Telephone Email
Product Product Code Name Category Price
Employee Staff Number Name Staff Number
Store Store Code Name Address Category
Docket Docket ID Item Quantity Price Payment
Method

20. CONCEPT/RELATIONSHIP MATRIX
Relationship
Customer
Product
Employee
Store
SalesDocket
DeliveryNote
Customer Purchase X X X X X
Stock Delivery X X X X

21. Thank
you
Two Auckland Courses in
April
Search EventBrite to register
Or Optimalbi.com