Journal
APPLIED SCIENCES-BASEL
Volume 12, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/app122010444
Keywords
abnormal weather visualization system; anomaly detection; graph embedding
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Funding
- Chung-Ang University
- Oracle Cloud credits
- Oracle for Research program
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This paper presents a system called the abnormal-weather monitoring and curation service (AWMC), which analyzes weather datasets to show abnormal conditions in specific cities on certain dates. The system uses a dynamic graph-embedding-based anomaly detection method to measure anomaly scores, and evaluations show high precision, recall, and F1 score for all cities monitored by AWMC.
This paper presents a system, namely, the abnormal-weather monitoring and curation service (AWMC), which provides people with a better understanding of abnormal weather conditions. The service can analyze a set of multivariate weather datasets (i.e., 7 meteorological datasets from 18 cities in Korea) and show (i) which dates are mostly abnormal in a certain city, and (ii) which cities are mostly abnormal on a certain date. In particular, the dynamic graph-embedding-based anomaly detection method was employed to measure anomaly scores. We implemented the service and conducted evaluations. Regarding the results of monitoring abnormal weather, AWMC shows that the average precision was approximately 90.9%, recall was 93.2%, and F1 score was 92.1% for all the cities.
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