9. Data
• Source: ATND Beta (atnd.org/events/)
• 17,343 Events (ignore outliers)
• 99,911 Users
• Model: Support Vector Regression
10. Results
Mean Square Error
15
11.4383
12
9
6
Better
3
0
Average Title Title + Body
11. Features
word score
hbstudy 1.475
bpstudy 1.174
増員 1.062
appbank 0.771
1981 0.709
12. Future work
• Why bad ?
• Output minus #cancel
• Too simple: Use Metadata(location, time, similar events ...)
• Another approach: User based model
• Make Blacklist