1. Learning. Doing.
2015 Summer Algo Intern
Ray Lei

2. Outline ● Home-IP Detection
○ Stage I : Featurization & Labeling
○ Stage II : Training RFC Model
○ Stage III : Analysis & Improvements
○ Stage IV: Deploying
● G-Pairing Optimization
○ Daily Increment & IP/ID to Long

3. Home-IP Detection Overview
Landscape:
Alb: isHome &
Cookie/Device ID
counts
Obu: Device ID
Day level Occurrences
Probabilistic
Approach!

4. Outline ● Home-IP Detection
○ Stage I : Featurization & Labeling
○ Stage II : Training RFC Model
○ Stage III : Analysis & Improvements
○ Stage IV: Deploying
● G-Pairing Optimization
○ Daily Increment & IP/ID to Long

5. Featurization
Labeling
&

6. Outline ● Home-IP Detection
○ Stage I : Featurization & Labeling
○ Stage II : Training RFC Model
○ Stage III : Analysis & Improvements
○ Stage IV: Deploying
● G-Pairing Optimization
○ Daily Increment & IP/ID to Long

7. Training

8. Outline ● Home-IP Detection
○ Stage I : Featurization & Labeling
○ Stage II : Training RFC Model
○ Stage III : Analysis & Improvements
○ Stage IV: Deploying
● G-Pairing Optimization
○ Daily Increment & IP/ID to Long

9. Time
for
numbers!

10. Outline ● Home-IP Detection
○ Stage I : Featurization & Labeling
○ Stage II : Training RFC Model
○ Stage III : Analysis & Improvements
○ Stage IV: Deploying
● G-Pairing Optimization
○ Daily Increment & IP/ID to Long

11. Deploying

12. Outline ● Home-IP Detection
○ Stage I : Featurization & Labeling
○ Stage II : Training RFC Model
○ Stage III : Analysis & Improvements
○ Stage IV: Deploying
● G-Pairing Optimization
○ Daily Increment & IP/ID to Long

13. Monthly Update
Daily Increment
More maintainable
IP/ID String
IP/ID Long
Faster and Lighter

15. Thank you, Drawbridge!