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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

The High Average Utility Itemset Mining (HAUIM) technique, a variation of High Utility Itemset Mining (HUIM), uses the average utility of the itemsets. Historically, most HAUIM algorithms were designed for static databases. However,…

Databases · Computer Science 2024-07-17 Jing Chen , Shengyi Yang , Weiping Ding , Peng Li , Aijun Liu , Hongjun Zhang , Tian Li

High-utility Itemset Mining (HUIM) finds itemsets from a transaction database with utility no less than a user-defined threshold where the utility of an itemset is defined as the sum of the item-wise utilities. In this paper, we generalize…

Databases · Computer Science 2020-05-12 Siddharth Dawar , Debajyoti Bera , Vikram Goyal

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

Traditional high-utility itemset mining (HUIM) aims to determine all high-utility itemsets (HUIs) that satisfy the minimum utility threshold (\textit{minUtil}) in transaction databases. However, in most applications, not all HUIs are…

Databases · Computer Science 2021-11-02 Jinbao Miao , Shicheng Wan , Wensheng Gan , Jiayi Sun , Jiahui Chen

In the field of data mining and analytics, the utility theory from Economic can bring benefits in many real-life applications. In recent decade, a new research field called utility-oriented mining has already attracted great attention.…

Databases · Computer Science 2019-09-13 Wensheng Gan , Jerry Chun-Wei Lin , Han-Chieh Chao , Hamido Fujita , Philip S. Yu

Utility-driven itemset mining is widely applied in many real-world scenarios. However, most algorithms do not work for itemsets with negative utilities. Several efficient algorithms for high-utility itemset (HUI) mining with negative…

Databases · Computer Science 2021-06-29 Jiahui Chen , Shicheng Wan , Wensheng Gan , Guoting Chen , Hamido Fujita

Utility-oriented mining which integrates utility theory and data mining is a useful tool for understanding economic consumer behavior. Traditional algorithms for mining high-utility patterns (HUPs) applies a single/uniform minimum…

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

High Utility Itemset (HUI) mining problem is one of the important problems in the data mining literature. The problem offers greater flexibility to a decision maker to incorporate her/his notion of utility into the pattern mining process.…

Databases · Computer Science 2018-09-10 Srikumar Krishnamoorthy

On-shelf utility mining (OSUM) is an emerging research direction in data mining. It aims to discover itemsets that have high relative utility in their selling time period. Compared with traditional utility mining, OSUM can find more…

Databases · Computer Science 2022-08-31 Jiahui Chen , Xu Guo , Wensheng Gan , Shichen Wan , Philip S. Yu

The discovery of utility-driven patterns is a useful and difficult research topic. It can extract significant and interesting information from specific and varied databases, increasing the value of the services provided. In practice, the…

Databases · Computer Science 2022-12-21 Gengsen Huang , Wensheng Gan , Philip S. Yu

The goal of high-utility sequential pattern mining (HUSPM) is to efficiently discover profitable or useful sequential patterns in a large number of sequences. However, simply being aware of utility-eligible patterns is insufficient for…

Artificial Intelligence · Computer Science 2022-10-28 Lili Chen , Wensheng Gan , Chien-Ming Chen

With the advent of big data, periodic pattern mining has demonstrated significant value in real-world applications, including smart home systems, healthcare systems, and the medical field. However, advances in network technology have…

Databases · Computer Science 2025-09-22 Qingfeng Zhou , Wensheng Gan , Zhenlian Qi , Philip S. Yu

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 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

In this paper, we propose a novel data structure called PUN-list, which maintains both the utility information about an itemset and utility upper bound for facilitating the processing of mining high utility itemsets. Based on PUN-lists, we…

Databases · Computer Science 2015-10-09 Zhi-Hong Deng , Shulei Ma , He Liu

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

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

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 mining emerged to overcome the limitations of frequent itemset mining by considering the utility of an item. Utility of an item is based on user's interest or preference. Recently, temporal data mining has become a core technical…

Databases · Computer Science 2015-07-08 Anjali N. Radkar , S. S. Pawar
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