U Yun, H Ryang, KH Ryu - Expert Systems with Applications, 2014 - Elsevier
High utility itemset mining considers the importance of items such as profit and item quantities in transactions. Recently, mining high utility itemsets has emerged as one of the …
Finding frequent patterns in a continuous stream of transactions is critical for many applications such as retail market data analysis, network monitoring, web usage mining, and …
G Lee, U Yun, KH Ryu - Expert Systems with Applications, 2014 - Elsevier
As data have been accumulated more quickly in recent years, corresponding databases have also become huger, and thus, general frequent pattern mining methods have been …
Regular pattern mining has been emerged as one of the promising sub-domains of data mining by discovering patterns with regular occurrences throughout a complete database. In …
G Pyun, U Yun, KH Ryu - Knowledge-Based Systems, 2014 - Elsevier
Outstanding frequent pattern mining guarantees both fast runtime and low memory usage with respect to various data with different types and sizes. However, it is hard to improve the …
The cyber world provides an anonymous environment for criminals to conduct malicious activities such as spamming, sending ransom e-mails, and spreading botnet malware. Often …
The rapid development of network technology and its evolution toward heterogeneous networks has increased the demand to support automatic monitoring and the management …
U Yun, D Kim - Future Generation Computer Systems, 2017 - Elsevier
A novel algorithm for efficiently mining high average-utility itemsets is presented in this paper. The algorithm utilizes list structures, which compactly capture all information needed …
U Yun, H Ryang - Applied intelligence, 2015 - Springer
Pattern mining is a data mining technique used for discovering significant patterns and has been applied to various applications such as disease analysis in medical databases and …