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Graph Random Neural Networks for Semi-Supervised Learning on Graphs


Authors:  WenzhengFeng, JieZhang, YuxiaoDong....
Published date-12/01/2020
Tasks:  DataAugmentation, NodeClassification

Abstract: We study the problem of semi-supervised learning on graphs, for which graph neural networks (GNNs) have been extensively explored. However, most existing GNNs inherently suffer from the limitations of over-smoothing, …

Practical Low-Rank Communication Compression in Decentralized Deep Learning


Authors:  ThijsVogels, SaiPraneethKarimireddy, MartinJaggi....
Published date-12/01/2020

Abstract: Lossy gradient compression has become a practical tool to overcome the communication bottleneck in centrally coordinated distributed training of machine learning models. However, algorithms for decentralized training with compressed communication …

Rel3D: A Minimally Contrastive Benchmark for Grounding Spatial Relations in 3D


Authors:  AnkitGoyal, KaiyuYang, DaweiYang....
Published date-12/01/2020

Abstract: Understanding spatial relations (e.g., laptop on table) in visual input is important for both humans and robots. Existing datasets are insufficient as they lack large-scale, high-quality 3D ground truth information, …

H-Mem: Harnessing synaptic plasticity with Hebbian Memory Networks


Authors:  ThomasLimbacher, RobertLegenstein....
Published date-12/01/2020
Tasks:  QuestionAnswering

Abstract: The ability to base current computations on memories from the past is critical for many cognitive tasks such as story understanding. Hebbian-type synaptic plasticity is believed to underlie the retention …

Learning to summarize with human feedback


Authors:  NisanStiennon, LongOuyang, JeffreyWu....
Published date-12/01/2020

Abstract: As language models become more powerful, training and evaluation are increasingly bottlenecked by the data and metrics used for a particular task. For example, summarization models are often trained to …

Stochastic Deep Gaussian Processes over Graphs


Authors:  NaiqiLi, WenjieLi, JifengSun....
Published date-12/01/2020
Tasks:  GaussianProcesses, VariationalInference

Abstract: In this paper we propose Stochastic Deep Gaussian Processes over Graphs (DGPG), which are deep structure models that learn the mappings between input and output signals in graph domains. The …

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