Title:
GEOGRAPHIC KNOWLEDGE ACQUISITION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/088526
Kind Code:
A1
Abstract:
A geographic knowledge acquisition method, comprising: step 1, analyzing the source of geographic knowledge, and dividing the obtained source of the geographic knowledge into two categories of natural language and graphic language; step 2, performing feature analysis and concept modeling on the acquired geographic knowledge; step 3, extracting geographic information from the acquired geographic knowledge, the extraction at least comprising identification of a geographic entity, extraction of feature information, and association between the geographic entity and the feature information; and step 4, generating a geographic knowledge graph. The method can compensate for the vacancy of the existing geographic knowledge acquisition path and convert same into a method for the knowledge graph, essentially promotes the intellectualization, socialization and popularization of geographic information services, and further facilitates the development of geographic information scientific theory and application.
Inventors:
ZHANG XUEYING (CN)
WANG YIPENG (CN)
YE PENG (CN)
WANG YIPENG (CN)
YE PENG (CN)
Application Number:
PCT/CN2021/072793
Publication Date:
May 05, 2022
Filing Date:
January 20, 2021
Export Citation:
Assignee:
NANJING UNIVERSITY OF TECHNOLOGY (CN)
International Classes:
G06F16/36; G06F16/29; G06N5/02
Foreign References:
| CN111488467A | 2020-08-04 | |||
| CN106547880A | 2017-03-29 | |||
| CN110472066A | 2019-11-19 | |||
| CN111428048A | 2020-07-17 | |||
| US9348815B1 | 2016-05-24 |
Other References:
WU MINGGUANG, ZHANG XUEYING, ZHANG CHUNJU, LV GUONIAN: "Spatiotemporal features based geographical knowledge graph construction", SCIENTIA SINICA INFORMATIONIS, vol. 50, no. 7, 1 July 2020 (2020-07-01), pages 1019 - 1032, XP055924744, ISSN: 1674-7267, DOI: 10.1360/SSI-2019-0269
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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