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Title: [Numpi] Seminar on 17/11 (Francesco Tudisco) Speaker: Francesco Tudisco Affiliation: GSSI Time: Tuesday, 17/11/2020, 11:00

Meeting link: https://hausdorff.dm.unipi.it/b/leo-xik-xu4

Title: A tensor method for semi-supervised learning

Semi-supervised learning is the problem of finding clusters in a graph or a point-clould dataset where we are given "few" initial input labels. Label Spreading (LS) is a standard technique for this problem, which can be interpreted as a diffusion process of the labels on the graph. While there are many variants of LS, nearly all of them are linear models which, for every node, only account for the information incoming from its direct neighbors.

Recent work in network science has shown that in many graph algorithms a great advantage can be obtained when accounting directly for higher-order features. Such features may be built from the point-cloud data or the adjac... When: Tue Nov 17, 2020 11:00 – 12:00 Central European Time - Rome

Joining info: Join with Google Meet https://meet.google.com/wtx-fpah-paw

Calendar: numpi@di.unipi.it Who: * enrico.facca@gmail.com - organizer * numpi@di.unipi.it * f.durastante@na.iac.cnr.it * viviani@chalmers.se * leonardo.robol@unipi.it

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