SF Data Science: Developing Data Products
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Examples, techniques, and lessons learned building data products over the last 4 years at LinkedIn. Pete Skomoroch is a Principal Data Scientist at LinkedIn where he leads a team focused on building data products leveraging LinkedIn's powerful identity and reputation data. The talk describes some techniques and best practices applied to develop products like LinkedIn Skills & Endorsements. This talk was presented at the SF Data Science Meetup on September 19th, 2013
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SF Data Science: Developing Data Products
- 1. Developing Data Products SF Data Science Meetup Pete Skomoroch @peteskomoroch September 19 2013 ©2012 LinkedIn Corporation. All Rights Reserved.
- 2. Developing Data Products Examples, Techniques, & Lessons Learned
- 3. Our Mission Connect the world’s professionals to make them more productive and successful. Our Vision Create economic opportunity for every professional in the world. Members First!
- 4. LinkedIn is the leading professional network site Worldwide Workforce 3,300M+ 2 Worldwide Professionals 640M+ 2 LinkedIn Members 238M+ 1 ©2012 LinkedIn Corporation. All Rights Reserved. 4
- 5. LinkedIn profiles represent our professional identity ©2012 LinkedIn Corporation. All Rights Reserved. 5 238MMembers 238M Member Profiles 1 2
- 6. We have a lot of data. ©2012 LinkedIn Corporation. All Rights Reserved.
- 7. We have a lot of data. And (like everyone else), we store it in Hadoop. ©2012 LinkedIn Corporation. All Rights Reserved.
- 8. We have a lot of data. And (like everyone else), we store it in Hadoop. And people build awesome things with that data. ©2012 LinkedIn Corporation. All Rights Reserved.
- 9. What do we mean by data products?
- 10. Building products from data at LinkedIn A few examples: People You May Know Skills and Endorsements Year in Review Network Updates Digest InMaps Who’s viewed my profile Collaborative Filtering Groups You May Like and more… ©2012 LinkedIn Corporation. All Rights Reserved.
- 11. Collaborative Filtering: LinkedIn Skill Pages ©2012 LinkedIn Corporation. All Rights Reserved.
- 12. Classification: giving structure to unstructured data ©2012 LinkedIn Corporation. All Rights Reserved. Extract
- 13. Clustering & Disambiguation ©2012 LinkedIn Corporation. All Rights Reserved.
- 14. De-duplication and Normalization ©2012 LinkedIn Corporation. All Rights Reserved.
- 15. ©2012 LinkedIn Corporation. All Rights Reserved. 15 Network Algorithms: Relevance & Ranking
- 16. Prediction: Personalized Skill Recommendations ©2012 LinkedIn Corporation. All Rights Reserved.
- 19. Skill Endorsements: Over 2 Billion and Growing ©2012 LinkedIn Corporation. All Rights Reserved.
- 20. ©2012 LinkedIn Corporation. All Rights Reserved. 20 Social Proof and the Skill Endorsement Graph
- 21. The Economic Graph: Skills, Jobs, People, Locations… ©2012 LinkedIn Corporation. All Rights Reserved. 21 Location
- 22. Lessons learned developing data products
- 23. Collect the right data at the right time
- 24. Large amounts of data can reveal new patterns ©2012 LinkedIn Corporation. All Rights Reserved. 24 ProbabilityofJobTitle Time since graduation
- 25. Be wary of “black-box” approaches ©2012 LinkedIn Corporation. All Rights Reserved. 25
- 26. Look at your data ©2012 LinkedIn Corporation. All Rights Reserved. 26
- 27. Aggregate statistics can be misleading ©2012 LinkedIn Corporation. All Rights Reserved. 27 0 2 4 6 8 10 12 1 2 3 4 5 6 7 8 9 10
- 28. Build a viewer app, “micro-listen” ©2012 LinkedIn Corporation. All Rights Reserved. 28
- 29. Algorithmic intuition: include data geeks in design ©2012 LinkedIn Corporation. All Rights Reserved. 29
- 30. OODA: Think like a jet fighter ©2012 LinkedIn Corporation. All Rights Reserved. 30
- 31. OODA: Observe, Orient, Decide, Act ©2012 LinkedIn Corporation. All Rights Reserved. 31
- 32. OODA: The speed you can move determines victory ©2012 LinkedIn Corporation. All Rights Reserved. 32
- 33. Red teaming: what can go wrong likely will ©2012 LinkedIn Corporation. All Rights Reserved. 33
- 34. Error data is valuable, analyze it and adapt ©2012 LinkedIn Corporation. All Rights Reserved. 34
- 35. Conclusion: tips for developing data products Collect the right data at the right time Large amounts of data can reveal new patterns Be wary of “black box” approaches Look at your raw data Aggregate statistics can be misleading Build and use viewer apps Include data geeks in design process OODA: Think like a jet fighter Red-teaming: anticipate edge cases Find opportunity in your error data ©2012 LinkedIn Corporation. All Rights Reserved.
- 36. Questions? @peteskomoroch ©2012 LinkedIn Corporation. All Rights Reserved. 36
Hinweis der Redaktion
- Mission: For us, fundamentally changing the way the world works begins with our mission statement: To connect the world’s professionals to make them more productive and successful. This means not only helping people to find their dream jobs, but also enabling them to be great at the jobs they’re already in. Vision: But, we’re just getting started. By our measure,there are more than 640 million professionals in the world. And roughly 3.3 billion people in the global workforce. Ultimately, our vision is to create economic opportunity for every professional, which we believe is an especially crucial objective in light of current macroeconomic trends.Our most important core value is that members come first.