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Mining useful patterns from varied types of databases is an important research topic, which has many real-life applications. Most studies have considered the frequency as sole interestingness measure for identifying high quality patterns.…

Databases · Computer Science 2021-04-01 Wensheng Gan , Jerry Chun-Wei Lin , Philippe Fournier-Viger , Han-Chieh Chao , Philip S. Yu

Utility mining has emerged as an important and interesting topic owing to its wide application and considerable popularity. However, conventional utility mining methods have a bias toward items that have longer on-shelf time as they have a…

Databases · Computer Science 2020-11-30 Chunkai Zhang , Zilin Du , Yuting Yang , Wensheng Gan , Philip S. Yu

High-utility sequential pattern mining (HUSPM) has recently emerged as a focus of intense research interest. The main task of HUSPM is to find all subsequences, within a quantitative sequential database, that have high utility with respect…

Databases · Computer Science 2020-11-30 Chunkai Zhang , Zilin Du , Wensheng Gan , Philip S. Yu

Utility is an important concept in economics. A variety of applications consider utility in real-life situations, which has lead to the emergence of utility-oriented mining (also called utility mining) in the recent decade. Utility mining…

Databases · Computer Science 2021-04-01 Wensheng Gan , Jerry Chun-Wei Lin , Jiexiong Zhang , Han-Chieh Chao , Hamido Fujita , Philip S. Yu

Based on the analysis of the proportion of utility in the supporting transactions used in the field of data mining, high utility-occupancy pattern mining (HUOPM) has recently attracted widespread attention. Unlike high-utility pattern…

Databases · Computer Science 2021-11-25 Chien-Ming Chen , Lili Chen , Wensheng Gan

High-utility sequential pattern mining is an emerging topic in the field of Knowledge Discovery in Databases. It consists of discovering subsequences having a high utility (importance) in sequences, referred to as high-utility sequential…

Utility-oriented pattern mining has become an emerging topic since it can reveal high-utility patterns (e.g., itemsets, rules, sequences) from different types of data, which provides more information than the traditional…

Databases · Computer Science 2021-04-01 Wensheng Gan , Jerry Chun-Wei Lin , Jiexiong Zhang , Philip S. Yu

High-utility sequential pattern mining (HUSPM) has emerged as an important topic due to its wide application and considerable popularity. However, due to the combinatorial explosion of the search space when the HUSPM problem encounters a…

Databases · Computer Science 2023-01-02 Chunkai Zhang , Yuting Yang , Zilin Du , Wensheng Gan , Philip S. Yu

It is widely known that there is a lot of useful information hidden in big data, leading to a new saying that "data is money." Thus, it is prevalent for individuals to mine crucial information for utilization in many real-world…

Databases · Computer Science 2021-04-01 Chien-Ming Chen , Lili Chen , Wensheng Gan , Lina Qiu , Weiping Ding

Knowledge extraction from database is the fundamental task in database and data mining community, which has been applied to a wide range of real-world applications and situations. Different from the support-based mining models, the…

Discovering valuable insights from rich data is a crucial task for exploratory data analysis. Sequential pattern mining (SPM) has found widespread applications across various domains. In recent years, low-utility sequential pattern mining…

Databases · Computer Science 2026-04-28 Jian Zhu , Zhidong Lin , Wensheng Gan , Philip S. Yu

Sequential pattern mining is an interesting research area with broad range of applications. Most prior research on sequential pattern mining has considered point-based data where events occur instantaneously. However, in many application…

Machine Learning · Computer Science 2020-09-16 S. Mohammad Mirbagheri , Howard J. Hamilton

High utility sequential pattern mining (HUSPM) aims to mine all patterns that yield a high utility (profit) in a sequence dataset. HUSPM is useful for several applications such as market basket analysis, marketing, and website clickstream…

Databases · Computer Science 2023-02-23 Tai Dinh , Philippe Fournier-Viger , Huynh Van Hong

Useful knowledge, embedded in a database, is likely to change over time. Identifying recent changes in temporal databases can provide valuable up-to-date information to decision-makers. Nevertheless, techniques for mining high-utility…

High utility sequential pattern mining (HUSPM) is a significant and valuable activity in knowledge discovery and data analytics with many real-world applications. In some cases, HUSPM can not provide an excellent measure to predict what…

Artificial Intelligence · Computer Science 2022-09-28 Chunkai Zhang , Maohua Lyu , Wensheng Gan , Philip S. Yu

Utility-driven mining is an essential task in data science, as it can provide deeper insight into the real world. High-utility sequential rule mining (HUSRM) aims at discovering sequential rules with high utility and high confidence. It can…

Databases · Computer Science 2026-02-02 Zhenqiang Ye , Wensheng Gan , Gengsen Huang , Tianlong Gu , Philip S. Yu

For applied intelligence, utility-driven pattern discovery algorithms can identify insightful and useful patterns in databases. However, in these techniques for pattern discovery, the number of patterns can be huge, and the user is often…

Databases · Computer Science 2022-06-14 Jinbao Miao , Wensheng Gan , Shicheng Wan , Yongdong Wu , Philippe Fournier-Viger

Recently, contiguous sequential pattern mining (CSPM) gained interest as a research topic, due to its varied potential real-world applications, such as web log and biological sequence analysis. To date, studies on the CSPM problem remain in…

Databases · Computer Science 2021-11-02 Chunkai Zhang , Quanjian Dai , Zilin Du , Wensheng Gan , Jian Weng , Philip S. Yu

Utility-driven mining is an important task in data science and has many applications in real life. High utility sequential pattern mining (HUSPM) is one kind of utility-driven mining. HUSPM aims to discover all sequential patterns with high…

Databases · Computer Science 2021-12-01 Gengsen Huang , Wensheng Gan , Jian Weng , Philip S. Yu

Finding high-importance patterns in data is an emerging data mining task known as High-utility itemset mining (HUIM). Given a minimum utility threshold, a HUIM algorithm extracts all the high-utility itemsets (HUIs) whose utility values are…

Databases · Computer Science 2023-03-28 Shan Huang , Wensheng Gan , Jinbao Miao , Xuming Han , Philippe Fournier-Viger
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