%PDF-1.3 1 0 obj << /Kids [ 4 0 R 5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R ] /Type /Pages /Count 9 >> endobj 2 0 obj << /Subject (Neural Information Processing Systems http\072\057\057nips\056cc\057) /Publisher (Curran Associates\054 Inc\056) /Language (en\055US) /Created (2014) /EventType (Poster) /Description-Abstract (Events in an online social network can be categorized roughly into endogenous events\054 where users just respond to the actions of their neighbors within the network\054 or exogenous events\054 where users take actions due to drives external to the network\056 How much external drive should be provided to each user\054 such that the network activity can be steered towards a target state\077 In this paper\054 we model social events using multivariate Hawkes processes\054 which can capture both endogenous and exogenous event intensities\054 and derive a time dependent linear relation between the intensity of exogenous events and the overall network activity\056 Exploiting this connection\054 we develop a convex optimization framework for determining the required level of external drive in order for the network to reach a desired activity level\056 We experimented with event data gathered from Twitter\054 and show that our method can steer the activity of the network more accurately than alternatives\056) /Producer (PyPDF2) /Title (Shaping Social Activity by Incentivizing Users) /Date (2014) /ModDate (D\07220161116143219\05508\04700\047) /Published (2014) /Type (Conference Proceedings) /firstpage (2474) /Book (Advances in Neural Information Processing Systems 27) /Description (Paper accepted and presented at the Neural Information Processing Systems Conference \050http\072\057\057nips\056cc\057\051) /Editors (Z\056 Ghahramani and M\056 Welling and C\056 Cortes and N\056D\056 Lawrence and K\056Q\056 Weinberger) /Author (Mehrdad Farajtabar\054 Nan Du\054 Manuel Gomez Rodriguez\054 Isabel Valera\054 Hongyuan Zha\054 Le Song) /lastpage (2482) >> endobj 3 0 obj << /Type /Catalog /Pages 1 0 R >> endobj 4 0 obj << /Parent 1 0 R /Contents 13 0 R /Type /Page /Resources 14 0 R /MediaBox [ 0 0 612 792 ] >> endobj 5 0 obj << /Parent 1 0 R /Contents 43 0 R /Type /Page /Resources 44 0 R /MediaBox [ 0 0 612 792 ] >> endobj 6 0 obj << /Parent 1 0 R /Contents 103 0 R /Type /Page /Resources 104 0 R /MediaBox [ 0 0 612 792 ] >> endobj 7 0 obj << /Parent 1 0 R /Contents 282 0 R /Type /Page /Resources 283 0 R /MediaBox [ 0 0 612 792 ] >> endobj 8 0 obj << /Parent 1 0 R /Contents 304 0 R /Type /Page /Resources 305 0 R /MediaBox [ 0 0 612 792 ] >> endobj 9 0 obj << /Parent 1 0 R /Contents 310 0 R /Type /Page /Resources 311 0 R /MediaBox [ 0 0 612 792 ] >> endobj 10 0 obj << /Parent 1 0 R /Contents 376 0 R /Type /Page /Resources 377 0 R /MediaBox [ 0 0 612 792 ] >> endobj 11 0 obj << /Parent 1 0 R /Contents 442 0 R /Type /Page /Resources 443 0 R /MediaBox [ 0 0 612 792 ] >> endobj 12 0 obj << /Parent 1 0 R /Contents 444 0 R /Type /Page /Resources 445 0 R /MediaBox [ 0 0 612 792 ] >> endobj 13 0 obj << /Length 5058 /Filter /FlateDecode >> stream x[˒ȕ+0;VDL |۞[=*#FHt@5H$9/SS|ι H,Uuh$yo{+O/&qNIX_2Ll>3VwNџ6L'm