機械学習ビジネス研究会 第01回

1. 01
2016-08-28

2. Yuta Kashino
• BakFoo, Inc. CEO
• Zope / Python
• Astro Physics /Observational Cosmology
• Realtime Data Platform for Enterprise

3. BakFoo, Inc.

4. BakFoo, Inc.

5. BakFoo, Inc.
PyCon 2016 9 21 11:00 - 11:45

7. okcupid
• 4 / 2007
• 2011 IAC $50M
•
• SNS
• http://
dating.about.com/od/sitereviews/tp/OnlineSites.htm

8. okcupid+
• Dataclysm:
• oktrend:
• okcupid FAQ
• Platform Revolution
cataclysm: ,
…

9. • / +
•
•
• LTV(
•

10. •
•
•
•
•

11. • SVD Matrix
Factorization Factorization Machine
•
•

12. okcupid FAQ: https://okcupid.desk.com/customer/en/
portal/articles/2458380-match-percentages---a-detailed-
explanation
score = 2
p
(91% ⇤ 99.6%) ⇡ 95%

13. okcupid FAQ: https://okcupid.desk.com/customer/en/
portal/articles/2458380-match-percentages---a-detailed-
explanation
…
= S
score ±
1
S

14. •
•
:
Platform Revolution Chap.2

15. •
•
•
•
•
•
•
Dataclysm / oktrend

16. • :
Dataclysm Chap.1
-

17. •
Dataclysm Chap.1

18. •
Dataclysm Chap.6

19. •
Dataclysm Chap.6

20. •
Dataclysm Chap.6

21. •
Dataclysm Chap.7

22. okcupid
•
•
•
•

23. •
•
•

24. …
•
•
• DB
•
Dataclysm A Note on the Data
http://www.ee.columbia.edu/~dpwe/papers/Wang03-shazam.pdf

25. …
http://www.ee.columbia.edu/~dpwe/papers/Wang03-shazam.pdf

26. •
: ”Big Data In Practice”

27. Questions
kashino@bakfoo.com
@yutakashino