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
JobRecommendationwithHawkesProcess
W.Xiao,X.Xu,K.Liang,J.Mao,andJ.WangOneSearch Team,Alibaba Group
Boston,MA,USASep.15,2016
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• RecSys2015(Vienna)• TheSecondPlace
• KDD Cup2016 (San Francisco)• The Second Place(Phase1)
Boston• RecSys2016• TheFirstPlace
Wenming Xiao XiaoXu
KangLiang JunkangMao JunWang
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ratio:ui/u,ui/i
trend:iteminteractioncounts
similarity(interaction&profiling):u2u,i2i,u2i
poi:item,userinteraction
user&itemprofile:0/1 user/item/uiinteractionstatistics:(timewindow)0/1,count,distinctcount,days……
conditionalprobability:impressiontointeraction,interactiontointeraction
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user: lastdayifclick/impitem: lastdayclickcountsuser-item: userclickcountsfortheiteminlastweek
itemimpressiontrenditemearliest andlastinteractiontime
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28 days 6 days
28 days 7 days
28 days 8 days
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GBRT
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GBDT
GBDT
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