Cleora: A Simple, Strong and Scalable Graph Embedding Scheme

Barbara Rychalska, Piotr Bąbel, Konrad Gołuchowski, Andrzej Michałowski, Jacek Dąbrowski, Przemysław Biecek

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The area of graph embeddings is currently dominated by contrastive learning methods, which demand formulation of an explicit objective function and sampling of positive and negative examples. One of the leading class of models are graph convolutional networks (GCNs), which suffer from numerous performance issues. In this paper we present Cleora: a purely unsupervised and highly scalable graph embedding scheme. Cleora can be likened to a GCN stripped down to its most effective core operation - the repeated neighborhood aggregation. Cleora does not require the application of a GPU and can embed massive graphs on CPU only, beating other state-of-the-art CPU algorithms in terms of speed and quality as measured on downstream tasks. Cleora has been applied in top machine learning competitions involving recommendations and graph processing, taking the podium in KDD Cup 2021, WSDM Challenge 2021, and SIGIR eCom Challenge 2020. We open-source Cleora under the MIT license allowing commercial use under https://github.com/Synerise/cleora.

Original languageEnglish
Title of host publicationNeural Information Processing - 28th International Conference, ICONIP 2021, Proceedings
EditorsTeddy Mantoro, Minho Lee, Media Anugerah Ayu, Kok Wai Wong, Achmad Nizar Hidayanto
PublisherSpringer Science and Business Media Deutschland GmbH
Pages338-352
Number of pages15
ISBN (Print)9783030922726
DOIs
Publication statusPublished - 2021
Externally publishedYes
Event28th International Conference on Neural Information Processing, ICONIP 2021 - Virtual, Online
Duration: 8 Dec 202112 Dec 2021

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume13111 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference28th International Conference on Neural Information Processing, ICONIP 2021
CityVirtual, Online
Period8/12/2112/12/21

Keywords

  • Graph convolutional networks
  • Graph embedding
  • Node embedding

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