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SUMMARY:Community detection with the non-backtracking operator
DTSTART:20150508T140000
DTEND:20150508T150000
DTSTAMP:20260408T105152Z
UID:8839ad8664924d9319f3782b487f28a02af0ab7fefce01542240ff42
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Marc Lelarge\nCommunity detection consists in identificati
 on of groups of\nsimilar items within a population. In the context of onli
 ne social\nnetworks\, it is a useful primitive for recommending either con
 tacts or\nnews items to users. We will consider a particular generative\np
 robabilistic model for the observations\, namely the so-called\nstochastic
  block model and prove that the non-backtracking operator\nprovides a sign
 ificant improvement when used for spectral clustering.\njoint work with C.
  Bordenave and L. Massoulie.
LOCATION:BC 02 https://plan.epfl.ch/?room==BC%2002
STATUS:CONFIRMED
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