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Copyright © 2014 OPT, Inc. All Rights Reserved.
Copyright © 2014 OPT, Inc. All Rights Reserved.
~ AI ~
Copyright © 2014 OPT, Inc. All Rights Reserved.
Python
Scala ADPLAN
Scala( )
2
Copyright © 2014 OPT, Inc. All Rights Reserved.
Web
AI
AI
3
Copyright © 2014 OPT, Inc. All Rights Reserved.
Copyright © 2014 OPT, Inc. All Rights Reserved.
Web
Web
AI
AI
Copyright © 2014 OPT, Inc. All Rights Reserved.
ROI
5
Copyright © 2014 OPT, Inc. All Rights Reserved.
A/B
N
6
Copyright © 2014 OPT, Inc. All Rights Reserved.
- CPA( = Cost / CV ) CTR ( = CLICK / )
- ( )
7
Copyright © 2014 OPT, Inc. All Rights Reserved.
Copyright © 2014 OPT, Inc. All Rights Reserved.
Web
AI
AI
Copyright © 2014 OPT, Inc. All Rights Reserved.
-
9
Copyright © 2014 OPT, Inc. All Rights Reserved.
1. (A/B )
2.
3.
10
Copyright © 2014 OPT, Inc. All Rights Reserved.
A/B
exploitation exploration
- ←
- ←
- AB ←
- ←
11
A/B
Copyright © 2014 OPT, Inc. All Rights Reserved.
Copyright © 2014 OPT, Inc. All Rights Reserved.
Web
AI
AI
Copyright © 2014 OPT, Inc. All Rights Reserved.
ε-Greedy
 
13
Copyright © 2014 OPT, Inc. All Rights Reserved.
Softmax 14
MCMC SA
- ( MCMC SA )
- n
※
( → ∞ ) → 1/n
( → 0 )
Copyright © 2014 OPT, Inc. All Rights Reserved.
UCB
(Softmax
)
UCB1
15
Copyright © 2014 OPT, Inc. All Rights Reserved.
Copyright © 2014 OPT, Inc. All Rights Reserved.
Web
AI
AI
Copyright © 2014 OPT, Inc. All Rights Reserved.
(UCB)
UCB
(CTR)
40%
17
CTR
Copyright © 2014 OPT, Inc. All Rights Reserved.
python scikit-learn
( )
github
https://github.com/johnmyleswhite/BanditsBook
(
http://qiita.com/ysekky/items/4e782603f7592743625b
18
Copyright © 2014 OPT, Inc. All Rights Reserved.
Copyright © 2014 OPT, Inc. All Rights Reserved.
AI
Web
AI
AI
Copyright © 2014 OPT, Inc. All Rights Reserved.
0 1
20
Copyright © 2014 OPT, Inc. All Rights Reserved.
…
tannsaku
( )
21
Copyright © 2014 OPT, Inc. All Rights Reserved.
30
→ 361
( )
http://www.slideshare.net/TakashiKato2/ss-57966067
22
Copyright © 2014 OPT, Inc. All Rights Reserved.
Copyright © 2014 OPT, Inc. All Rights Reserved.
. AI
Web
AI
AI
Copyright © 2014 OPT, Inc. All Rights Reserved.
2
( )
( )
24
Minimax
Copyright © 2014 OPT, Inc. All Rights Reserved.
( )
•  
25
αβ
Copyright © 2014 OPT, Inc. All Rights Reserved.
(αβ )
1. UCB1
2.
( ) 26
Copyright © 2014 OPT, Inc. All Rights Reserved.
1.
2. ( )
3.
( Google Alpha Go 1
)
27
Copyright © 2014 OPT, Inc. All Rights Reserved.
AI
-
-
28
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Copyright © 2014 OPT, Inc. All Rights Reserved.
.
Web
AI
AI
Copyright © 2014 OPT, Inc. All Rights Reserved.
AI
AI
AI
( )
30

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戦略を立てる機械学習

  • 1. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. ~ AI ~
  • 2. Copyright © 2014 OPT, Inc. All Rights Reserved. Python Scala ADPLAN Scala( ) 2
  • 3. Copyright © 2014 OPT, Inc. All Rights Reserved. Web AI AI 3
  • 4. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. Web Web AI AI
  • 5. Copyright © 2014 OPT, Inc. All Rights Reserved. ROI 5
  • 6. Copyright © 2014 OPT, Inc. All Rights Reserved. A/B N 6
  • 7. Copyright © 2014 OPT, Inc. All Rights Reserved. - CPA( = Cost / CV ) CTR ( = CLICK / ) - ( ) 7
  • 8. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. Web AI AI
  • 9. Copyright © 2014 OPT, Inc. All Rights Reserved. - 9
  • 10. Copyright © 2014 OPT, Inc. All Rights Reserved. 1. (A/B ) 2. 3. 10
  • 11. Copyright © 2014 OPT, Inc. All Rights Reserved. A/B exploitation exploration - ← - ← - AB ← - ← 11 A/B
  • 12. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. Web AI AI
  • 13. Copyright © 2014 OPT, Inc. All Rights Reserved. ε-Greedy   13
  • 14. Copyright © 2014 OPT, Inc. All Rights Reserved. Softmax 14 MCMC SA - ( MCMC SA ) - n ※ ( → ∞ ) → 1/n ( → 0 )
  • 15. Copyright © 2014 OPT, Inc. All Rights Reserved. UCB (Softmax ) UCB1 15
  • 16. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. Web AI AI
  • 17. Copyright © 2014 OPT, Inc. All Rights Reserved. (UCB) UCB (CTR) 40% 17 CTR
  • 18. Copyright © 2014 OPT, Inc. All Rights Reserved. python scikit-learn ( ) github https://github.com/johnmyleswhite/BanditsBook ( http://qiita.com/ysekky/items/4e782603f7592743625b 18
  • 19. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. AI Web AI AI
  • 20. Copyright © 2014 OPT, Inc. All Rights Reserved. 0 1 20
  • 21. Copyright © 2014 OPT, Inc. All Rights Reserved. … tannsaku ( ) 21
  • 22. Copyright © 2014 OPT, Inc. All Rights Reserved. 30 → 361 ( ) http://www.slideshare.net/TakashiKato2/ss-57966067 22
  • 23. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. . AI Web AI AI
  • 24. Copyright © 2014 OPT, Inc. All Rights Reserved. 2 ( ) ( ) 24 Minimax
  • 25. Copyright © 2014 OPT, Inc. All Rights Reserved. ( ) •   25 αβ
  • 26. Copyright © 2014 OPT, Inc. All Rights Reserved. (αβ ) 1. UCB1 2. ( ) 26
  • 27. Copyright © 2014 OPT, Inc. All Rights Reserved. 1. 2. ( ) 3. ( Google Alpha Go 1 ) 27
  • 28. Copyright © 2014 OPT, Inc. All Rights Reserved. AI - - 28
  • 29. Copyright © 2014 OPT, Inc. All Rights Reserved. Copyright © 2014 OPT, Inc. All Rights Reserved. . Web AI AI
  • 30. Copyright © 2014 OPT, Inc. All Rights Reserved. AI AI AI ( ) 30