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UID:8202@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20141219T140000
DTEND;TZID=Europe/Paris:20141219T150000
DTSTAMP:20241120T210105Z
URL:https://www.i2m.univ-amu.fr/evenements/raphael-bailly-utc-tensor-facto
 rization-for-multi-relational-learning/
SUMMARY: (...): Raphael Bailly (UTC): Tensor factorization for multi-relati
 onal learning
DESCRIPTION:: Title: Tensor factorization for multi-relational learning\n\n
 Abstract:\nLearning relational data has been of a growing interest in fiel
 ds as diverse as modeling social networks\\\, semantic web\\\, or bioinfor
 matics. To some extent\\\, a network can be seen as multi-relational data\
 \\, where a particular relation represents a particular type of link betwe
 en entities. It can be modeled as a three-way tensor.\n\nTensor factorizat
 ion have shown to be a very efficient way to learn such data. It can be do
 ne either in a 3-way factorization style (trigram\\\, e.g. RESCAL) or by s
 um of 2-way factorization (bigram\\\, e.g TransE). Those methods usually a
 chieve state-of-the-art accuracy on benchmarks. Though\\\, all those learn
 ing methods suffer from regularization processes which are not always adeq
 uate.\n\nWe show that both 2-way and 3-way factorization of a relational t
 ensor can be formulated as a simple matrix factorization problem. This cla
 ss of problems can naturally be relaxed in a convex way. We show that this
  new method outperforms RESCAL on two benchmarks.\n
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DTSTART:20141026T020000
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