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http://dx.doi.org/10.5392/JKCA.2021.21.02.121

Transaction Pattern Discrimination of Malicious Supply Chain using Tariff-Structured Big Data  

Kim, Seongchan (한국과학기술정보연구원 연구데이터공유센터)
Song, Sa-Kwang (한국과학기술정보연구원 연구데이터공유센터)
Cho, Minhee (한국과학기술정보연구원 연구데이터공유센터)
Shin, Su-Hyun (관세청 관세국경위험관리센터)
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Abstract
In this study, we try to minimize the tariff risk by constructing a hazardous cargo screening model by applying Association Rule Mining, one of the data mining techniques. For this, the risk level between supply chains is calculated using the Apriori Algorithm, which is an association analysis algorithm, using the big data of the import declaration form of the Korea Customs Service(KCS). We perform data preprocessing and association rule mining to generate a model to be used in screening the supply chain. In the preprocessing process, we extract the attributes required for rule generation from the import declaration data after the error removing process. Then, we generate the rules by using the extracted attributes as inputs to the Apriori algorithm. The generated association rule model is loaded in the KCS screening system. When the import declaration which should be checked is received, the screening system refers to the model and returns the confidence value based on the supply chain information on the import declaration data. The result will be used to determine whether to check the import case. The 5-fold cross-validation of 16.6% precision and 33.8% recall showed that import declaration data for 2 years and 6 months were divided into learning data and test data. This is a result that is about 3.4 times higher in precision and 1.5 times higher in recall than frequency-based methods. This confirms that the proposed method is an effective way to reduce tariff risks.
Keywords
Association Rule Analysis; Tariff Risk Discrimination; Malicious Supply Chains; Import Declaration Data; Structured Big Data;
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