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Article

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Title

Classification of Spatial Objects with the Use of Graph Neural Networks

Authors

[ 1 ] Instytut Automatyki i Robotyki, Wydział Automatyki, Robotyki i Elektrotechniki, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.2] Automation, electronics, electrical engineering and space technology

Year of publication

2023

Published in

ISPRS International Journal of Geo-Information

Journal year: 2023 | Journal volume: vol. 12 | Journal number: iss. 3

Article type

scientific article

Publication language

english

Keywords
EN
  • graph neural networks
  • spatial objects
  • spatial development plan
  • supervised classification
  • machine learning
Abstract

EN Classification is one of the most-common machine learning tasks. In the field of GIS, deep-neural-network-based classification algorithms are mainly used in the field of remote sensing, for example for image classification. In the case of spatial data in the form of polygons or lines, the representation of the data in the form of a graph enables the use of graph neural networks (GNNs) to classify spatial objects, taking into account their topology. In this article, a method for multi-class classification of spatial objects using GNNs is proposed. The method was compared to two others that are based solely on text classification or text classification and an adjacency matrix. The use case for the developed method was the classification of planning zones in local spatial development plans. The experiments indicated that information about the topology of objects has a significant impact on improving the classification results using GNNs. It is also important to take into account different input parameters, such as the document length, the form of the training data representation, or the network architecture used, in order to optimize the model.

Date of online publication

21.02.2023

Pages (from - to)

83-1 - 83-17

DOI

10.3390/ijgi12030083

URL

https://www.mdpi.com/2220-9964/12/3/83

Comments

Article Number: 83

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

at the time of publication

Ministry points / journal

100

Impact Factor

3,4 [List 2022]

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