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2019-ICLR-Confidence-based Graph Convolutional Networks for Semi
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Confidence-based Graph Convolutional Networks for Semi-Supervised Learning Shikh
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Confidence-based Graph Convolutional Networks for Semi-Supervised
Learning
Shikhar Vashishth, Prateek Yadav, Manik Bhandari, Partha Talukdar
28 Sep 2018 (modified: 11 Oct 2018) ICLR 2019 Conference Withdrawn Submission Readers: Everyone 3 Replies
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� Abstract: Predicting properties of nodes in a graph is an important problem with applications in a
variety of domains. Graph-based Semi Supervised Learning (SSL) methods aim to address this problem
by labeling a small subset of the nodes as seeds, and then utilizing the graph structure to predict label
scores for the rest of the nodes in the graph. Recently, Graph Convolutional Networks (GCNs) have
achieved impressive performance on the graph-based SSL task. In addition to label scores, it is also
desirable to have a confidence score associated with them. Unfortunately, confidence estimation in the
context of GCN has not been previously explored. We fill this important gap in this paper and propose
ConfGCN, which estimates labels scores along with their confidences jointly in GCN-based setting.
ConfGCN uses these estimated confidences to determine the influence of one node on another during
neighborhood aggregation, thereby acquiring anisotropic capabilities. Through extensive analysis and
experiments on standard benchmarks, we find that ConfGCN is able to significantly outperform state-of-
the-art baselines. We have made ConfGCN’s source code available to encourage reproducible research.
� Keywords: Graph Convolutional Networks, GCN, Confidence, Semi-Supervised Learning, Deep
Learning, Neural Networks
� TL;DR: We propose a confidence based Graph Convolutional Network for Semi-Supervised Learning.
Shikhar Vashishth
Indian Institute of Science, Bangalore
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Shikhar Vashishth (Preferred)
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s****r@iisc.ac.in
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PhD student
Indian Institute of Science, Bangalore (iisc.ac.in)
2016 – Present
Undergrad student
BITS Pilani, Pilani campus (pilani.bits-pilani.ac.in)
2012 – 2016
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