Job Recommendation with Hawkes Process W. Xiao, X. Xu, K. Liang, J. - - PowerPoint PPT Presentation
Job Recommendation with Hawkes Process W. Xiao, X. Xu, K. Liang, J. Mao, and J. Wang OneSearch Team, Alibaba Group Boston, MA, USA Sep. 15, 2016 ED DBED
2
3
4
5
6
7
8
9
10
11
7 days 14 days 21 days 28 days 3 days 2 1
12
user: last day if click/imp item: last day click counts user-item: user click counts for the item in last week item impression trend item earliest and last interaction time ……
13
14
Train Data Train Model
28 days 5 days 28 days 6 days 28 days 7 days 28 days 8 days
Stage 1 LR XGBOOST GBRT GBDT
Pass Reject
Stage 2 GBDT GBDT GBDT …… Ensemble
Top N Output
15
16
User-item event Model, Du, etal. 2015
17
18
19
20