74 citations · 102 across the 4 of their papers we have counts for
4 papers
Back to the Past: Source Identification in Diffusion Networks from Partially Observed Cascades
Mehrdad Farajtabar, Manuel Gomez-Rodriguez, Nan Du +3
When a piece of malicious information becomes rampant in an information diffusion network, can we identify the source node that originally introduced the piece into the network and…
Shaping Social Activity by Incentivizing Users
Mehrdad Farajtabar, Nan Du, Manuel Gomez Rodriguez +3
Events in an online social network can be categorized roughly into endogenous events, where users just respond to the actions of their neighbors within the network, or exogenous ev…
Linear Contour Learning: A Method for Supervised Dimension Reduction
Bing Li, Hongyuan Zha, Francesca Chiaromonte
We propose a novel approach to sufficient dimension reduction in regression, based on estimating contour directions of negligible variation for the response surface. These directio…
Hybrid Generative/Discriminative Learning for Automatic Image Annotation
Shuang Hong Yang, Jiang Bian, Hongyuan Zha
Automatic image annotation (AIA) raises tremendous challenges to machine learning as it requires modeling of data that are both ambiguous in input and output, e.g., images containi…