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Title:
LEARNING PROCESSING DEVICE AND LEARNING PROCESSING METHOD FOR POOLING HIERARCHICALLY STRUCTURED GRAPH DATA ON BASIS OF GROUPING MATRIX, AND METHOD FOR TRAINING ARTIFICIAL INTELLIGENCE MODEL
Document Type and Number:
WIPO Patent Application WO/2023/224307
Kind Code:
A1
Abstract:
Disclosed are a learning processing device and method for pooling hierarchically structured graph data on the basis of a grouping matrix, and a method for training an artificial intelligence model. A learning processing device, according to one embodiment of the present invention, comprises: a memory; and a processor that communicates with the memory, wherein the processor generates a grouping matrix in a secondary form performing grouping on the basis of the similarity of pairwise nodes as graph data is inputted into a first artificial intelligence model which has been pre-trained, and decomposes the grouping matrix to generate a pooling matrix, wherein a pooling operator is obtained by decomposing the grouping matrix into a square root form.

Inventors:
KO SUNG MOON (KR)
CHO SUNGJUN (KR)
JEONG DAEWOONG (KR)
HAN SEHUI (KR)
LEE MOONTAE (KR)
LEE HONGLAK (KR)
Application Number:
PCT/KR2023/006356
Publication Date:
November 23, 2023
Filing Date:
May 10, 2023
Export Citation:
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Assignee:
LG MAN DEVELOPMENT INSTITUTE CO LTD (KR)
International Classes:
G06N3/08; G06F17/16; G06N3/04
Other References:
BIANCHI FILIPPO MARIA, GRATTAROLA DANIELE, ALIPPI CESARE: "Spectral Clustering with Graph Neural Networks for Graph Pooling", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, ARXIV.ORG, ITHACA, 29 December 2020 (2020-12-29), Ithaca, XP093109773, DOI: 10.48550/arxiv.1907.00481
SONG YUE; SEBE NICU; WANG WEI: "Why Approximate Matrix Square Root Outperforms Accurate SVD in Global Covariance Pooling?", 2021 IEEE/CVF INTERNATIONAL CONFERENCE ON COMPUTER VISION (ICCV), IEEE, 10 October 2021 (2021-10-10), pages 1095 - 1103, XP034093885, DOI: 10.1109/ICCV48922.2021.00115
JIN WEI ET AL.: "Node Similarity Preserving Graph Convolutional Networks", PROCEEDINGS OF THE 1ST WORKSHOP ON MACHINE LEARNING AND SYSTEMS, ACMPUB27, NEW YORK, NY, USA, 8 March 2021 (2021-03-08) - 26 April 2021 (2021-04-26), New York, NY, USA , pages 148 - 156, XP058565627, ISBN: 978-1-4503-8298-4, DOI: 10.1145/3437963.3441735
LI PEIHUA; XIE JIANGTAO; WANG QILONG; GAO ZILIN: "Towards Faster Training of Global Covariance Pooling Networks by Iterative Matrix Square Root Normalization", 2018 IEEE/CVF CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION, IEEE, 18 June 2018 (2018-06-18), pages 947 - 955, XP033476056, DOI: 10.1109/CVPR.2018.00105
DAVIDE BACCIU; LUIGI DI SOTTO: "A Non-Negative Factorization approach to node pooling in Graph Convolutional Neural Networks", ARXIV.ORG, 7 September 2019 (2019-09-07), XP081474944
Attorney, Agent or Firm:
KIM, Myung Hoon (KR)
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