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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

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

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-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

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

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

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

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) 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

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

Episode discovery from an event is a popular framework for data mining tasks and has many real-world applications. An episode is a partially ordered set of objects (e.g., item, node), and each object is associated with an event type. This…

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

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 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

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…

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…

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

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

Nowadays, frequent pattern mining (FPM) on large graphs receives increasing attention, since it is crucial to a variety of applications, e.g., social analysis. Informally, the FPM problem is defined as finding all the patterns in a large…

Databases · Computer Science 2022-05-04 Xin Wang , Zhuo Lan , Yu-Ang He , Yang Wang , Zhi-Gui Liu , Wen-Bo Xie

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

High utility pattern mining is an interesting yet challenging problem. The intrinsic computational cost of the problem will impose further challenges if efficiency in addition to the efficacy of a solution is sought. Recently, this problem…

Databases · Computer Science 2024-01-01 S. Mohammad Mirbagheri
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