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Author: torontoai

[D] Memory Aware Synapses (MAS): how to compute additional loss?

I am currently reading the paper “Memory Aware Synapses: Learning what (not) to forget” (https://arxiv.org/abs/1711.09601) and am trying to figure out how to compute the additional loss term. The weight importance matrix Ω of the current parameters θ is (as I understand) just the gradients of all individual weights. But how is Ω(θ – θ)) computed, specifically Ω(θ)). I tried looking through the official git repository, but was somehow not able to find the answer. Does anyone have experience with this approach?

submitted by /u/Sp4rk4s
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[D] Do recommender systems exist that work based on classification?

Hi, community!
I am not very familiar with recommender systems and read in a couple of papers (and it makes sense) that recommender systems, especially cold start ones, can work based on classic ML classification algorithms. I am wondering if any state-of-the-art or relevant recsys’s use classifiers. Paper links would be very appreciated.

submitted by /u/-Cunning-Stunt-
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[D] Canonical version of Imagenet?

On academictorrents there’s half a dozen different imagenets. Which one’s the one people typically refer to as imagenet in papers? What is the relation between these sets?

Some examples of the ones that I’m confused about:

  • Imagenet Full (Fall 2011 release)
  • ImageNet Large Scale Visual Recognition Challenge (V2017)
  • ImageNet LSVRC 2012 Training Set (Object Detection)
  • ImageNet LSVRC 2014 Training Set (Object Detection)
  • ImageNet LSVRC 2012 Validation Set (Object Detection)
  • ImageNet LSVRC 2013 Validation Set (Object Detection)

submitted by /u/yhszw
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