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Building Custom
Machine Learning Algorithms
with Apache SystemML
Fred Reiss
Chief Architect, IBM Spark Technology Center
Member, IBM Academy of Technology
Roadmap
• What is Apache SystemML?
• Demo!
• How to get SystemML
What is Apache SystemML?
Origins of the SystemML Project
20162015
You are
here.
2014201320122011
200920082007
2007-2008: Multiple
projects at IBM
Research – Almaden
involving machine
learning on Hadoop.
2010
2009-2010: Through
engagements with
customers, we observe
how data scientists
create ML solutions.
2009: We form a
dedicated team
for scalable ML
Case Study: An Auto Manufacturer
Warranty
Claims
Repair
History
Diagnostic
Readouts
Predict
Reacquired
Cars
Case Study: An Auto Manufacturer
Warranty
Claims
Repair
History
Features
Labels
Predict
Reacquired
Cars
Machine
Learning
Algorithm
Algorithm
Algorithm
Algorithm
Result: 25x improvement
in precision!
False
Positives
Diagnostic
Readouts
The Iterative Development Process
Build a pipeline
Results
good
enough?
Yes
Customize part
of the pipeline
No
State-of-the-Art: Small Data
R or
Python
Data
Scientist
Personal
Computer
Data
Results
State-of-the-Art: Big Data
R or
Python
Data
Scientist
Results
Systems
Programmer
Scala
State-of-the-Art: Big Data
R or
Python
Data
Scientist
Results
Systems
Programmer
Scala
😞 Days or weeks per iteration
😞 Errors while translating
algorithms
The SystemML Vision
R or
Python
Data
Scientist
Results
SystemML
The SystemML Vision
R or
Python
Data
Scientist
Results
SystemML
😃 Fast iteration
😃 Same answer
200920082007
2007-2008: Multiple
projects at IBM
Research – Almaden
involving machine
learning on Hadoop.
2010
2009-2010: Through
engagements with
customers, we observe
how data scientists
create machine learning
algorithms.
2009: We form a
dedicated team for
scalable ML
2014201320122011
Research
20162015
Apache SystemML
June 2015: IBM
Announces open-
source SystemML
September 2015:
Code available on
Github
November 2015:
SystemML enters
Apache incubation
June 2016:
Second Apache
release (0.10)
February 2016:
First release (0.9) of
Apache SystemML
SystemML at
• Built algorithms for predicting treatment
outcomes
– Substantial improvement in accuracy
• Moved from Hadoop MapReduce to Spark
– SystemML supports both frameworks
– Exact same code
– 300X faster on 1/40th as many nodes
SystemML at Cadent Technology
“SystemML allows Cadent to
implement advanced numerical
programming methods in
Apache Spark, empowering us
to leverage specialized
algorithms in our predictive
analytics software.”
Michael Zargham
Chief Scientist
Cadent is a leading provider of TV
advertising and data solutions,
reaching over 140 million homes
and trusted by the world’s largest
service providers.
Demo!
Demo Scenario
• Application: Targeted ads using demographic
information tied to cookies
• Problem: The information is incomplete
• Solution: Estimate the missing values
– Treat the problem as a matrix completion problem
Data
• The U.S. Census Public Use Microdata Sample
(PUMS) data set for 2010
• 10% sample of the U.S. population
– We’ll use just California today
• Use this full data set to generate synthetic
incomplete data
Demo Scenario
• Application: Identify products that are
complementary (often purchased together)
• Problem: Customers are not currently buying
the best complements at the same time
• Solution: Suggest new product pairings
– Treat the problem as a matrix completion problem
Demographics
Users
i
j
Value of
demographic
field j for
customer i
Matrix Factorization
Top Factor
LeftFactor
Multiply these
two factors to
produce a less-
sparse matrix.
×
New nonzero
values become
interpolated
demographic
information
Demo Part 1: Data wrangling
Demo Part 2: Custom algorithm
Key Points
• SystemML, Spark, and Zeppelin work together
• Linear algebra is great for data science
• Customization is important
How to get Apache SystemML
The Apache SystemML Web Site
http://systemml.apache.org
Download the
binary release!
Try out
some
tutorials!
Browse the
source!
Contribute to
the project!
THANK YOU.
Please try out Apache SystemML!
http://systemml.apache.org
Special thanks to Nakul Jindal and Mike
Dusenberry for helping with the demo!

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Building Custom
Machine Learning Algorithms
with Apache SystemML

  • 1. Building Custom Machine Learning Algorithms with Apache SystemML Fred Reiss Chief Architect, IBM Spark Technology Center Member, IBM Academy of Technology
  • 2. Roadmap • What is Apache SystemML? • Demo! • How to get SystemML
  • 3. What is Apache SystemML?
  • 4. Origins of the SystemML Project 20162015 You are here.
  • 6. 200920082007 2007-2008: Multiple projects at IBM Research – Almaden involving machine learning on Hadoop. 2010 2009-2010: Through engagements with customers, we observe how data scientists create ML solutions. 2009: We form a dedicated team for scalable ML
  • 7. Case Study: An Auto Manufacturer Warranty Claims Repair History Diagnostic Readouts Predict Reacquired Cars
  • 8. Case Study: An Auto Manufacturer Warranty Claims Repair History Features Labels Predict Reacquired Cars Machine Learning Algorithm Algorithm Algorithm Algorithm Result: 25x improvement in precision! False Positives Diagnostic Readouts
  • 9. The Iterative Development Process Build a pipeline Results good enough? Yes Customize part of the pipeline No
  • 10. State-of-the-Art: Small Data R or Python Data Scientist Personal Computer Data Results
  • 11. State-of-the-Art: Big Data R or Python Data Scientist Results Systems Programmer Scala
  • 12. State-of-the-Art: Big Data R or Python Data Scientist Results Systems Programmer Scala 😞 Days or weeks per iteration 😞 Errors while translating algorithms
  • 13. The SystemML Vision R or Python Data Scientist Results SystemML
  • 14. The SystemML Vision R or Python Data Scientist Results SystemML 😃 Fast iteration 😃 Same answer
  • 15. 200920082007 2007-2008: Multiple projects at IBM Research – Almaden involving machine learning on Hadoop. 2010 2009-2010: Through engagements with customers, we observe how data scientists create machine learning algorithms. 2009: We form a dedicated team for scalable ML
  • 17. 20162015 Apache SystemML June 2015: IBM Announces open- source SystemML September 2015: Code available on Github November 2015: SystemML enters Apache incubation June 2016: Second Apache release (0.10) February 2016: First release (0.9) of Apache SystemML
  • 18. SystemML at • Built algorithms for predicting treatment outcomes – Substantial improvement in accuracy • Moved from Hadoop MapReduce to Spark – SystemML supports both frameworks – Exact same code – 300X faster on 1/40th as many nodes
  • 19. SystemML at Cadent Technology “SystemML allows Cadent to implement advanced numerical programming methods in Apache Spark, empowering us to leverage specialized algorithms in our predictive analytics software.” Michael Zargham Chief Scientist Cadent is a leading provider of TV advertising and data solutions, reaching over 140 million homes and trusted by the world’s largest service providers.
  • 20. Demo!
  • 21. Demo Scenario • Application: Targeted ads using demographic information tied to cookies • Problem: The information is incomplete • Solution: Estimate the missing values – Treat the problem as a matrix completion problem
  • 22. Data • The U.S. Census Public Use Microdata Sample (PUMS) data set for 2010 • 10% sample of the U.S. population – We’ll use just California today • Use this full data set to generate synthetic incomplete data
  • 23. Demo Scenario • Application: Identify products that are complementary (often purchased together) • Problem: Customers are not currently buying the best complements at the same time • Solution: Suggest new product pairings – Treat the problem as a matrix completion problem
  • 24. Demographics Users i j Value of demographic field j for customer i Matrix Factorization Top Factor LeftFactor Multiply these two factors to produce a less- sparse matrix. × New nonzero values become interpolated demographic information
  • 25. Demo Part 1: Data wrangling
  • 26. Demo Part 2: Custom algorithm
  • 27. Key Points • SystemML, Spark, and Zeppelin work together • Linear algebra is great for data science • Customization is important
  • 28. How to get Apache SystemML
  • 29. The Apache SystemML Web Site http://systemml.apache.org Download the binary release! Try out some tutorials! Browse the source! Contribute to the project!
  • 30. THANK YOU. Please try out Apache SystemML! http://systemml.apache.org Special thanks to Nakul Jindal and Mike Dusenberry for helping with the demo!