Tag Archives: itemset mining

Call for chapters on periodic pattern mining

Hi all, I have not written much on the blog in the last month because I have been very busy with numerous projects and deadlines. I thus took a small break to focus on other things. Now that I have … Continue reading

Posted in Academia, cfp, Pattern Mining | Tagged , , , , , | Leave a comment

(video) Mining Locally Trending High Utility Itemsets

Today, I want to share with you the video presentation that I have prepared for my paper at PAKDD 2020. It presents a new problem where we want to discover locally trending high utility itemsets (LTHUIs). A LTHUI is a set of items purchased by … Continue reading

Posted in Data Mining, Data science, Pattern Mining, Video | Tagged , , , , , | Leave a comment

(video) Identifying Stable Periodic Frequent Patterns using SPP-Growth

Today, I present a video about finding stable periodic patterns in data, and discuss a new algorithm named SPP-Growth for this task. VIDEO LINK: http://www.philippe-fournier-viger.com/spmf/videos/SPPGrowth.mp4 The  SPP-Growth algorithm and datasets for evaluating its performance are available in the SPMF software, which is open-source and programmed in Java. Source code and … Continue reading

Posted in Big data, Data Mining, Data science, Video | Tagged , , , , , , | Leave a comment

25 years of pattern mining

This year, we are in 2019, and it is already 25 years since Agrawal wrote his seminal papers on frequent itemset mining and association rule mining in 1994. Since then, there has been thousands of papers published on this topic, some about algorithm design, new pattern mining … Continue reading

Posted in Big data, Data Mining, Data science, Pattern Mining | Tagged , , , | Leave a comment

(video) Minimal High Utility Itemset Mining with MinFHM

This is a video presentation of the paper “Mining Minimal High Utility Itemsets” about high utility itemset mining using MinFHM. It is the first video of a series of videos that will explain various data mining algorithms. VIDEO LINK : http://www.philippe-fournier-viger.com/spmf/videos/minfhm.mp4 More information … Continue reading

Posted in Data Mining, Data science, Pattern Mining, Video | Tagged , , , , , , | Leave a comment

An Introduction to High-Utility Itemset Mining

In this blog post, I will give an introduction about a popular problem in data mining, which is called “high-utility itemset mining” or more generally utility mining. I  will give an overview of this problem, explains why it is interesting, and provide source code of … Continue reading

Posted in Data Mining, Research, Utility Mining | Tagged , , , , , , , , , | 58 Comments

Drawing the Powerset of a Set using Java and GraphViz (Hasse Diagram)

In this blog post, I will explain and provide source code to automatically  draw the powerset of a set using Java and GraphViz.  Drawing a powerset is useful in mathematics and also in computer science, for example in frequent itemset mining, it can … Continue reading

Posted in Data Mining, General, Mathematics | Tagged , , , , | 2 Comments

Big Problems only found in Big Data?

Today, I will discuss the topic of Big Data, which is a very popular topic nowadays.  The popularity of big data can be seen for example in universities. Many universities are currently searching for professors who do research on “big data”. Moreover, … Continue reading

Posted in artificial intelligence, Data Mining, General, Programming | Tagged , , , | Leave a comment

An introduction to frequent pattern mining

In this blog post, I will give a brief overview of an important subfield of data mining that is  called pattern mining.  Pattern mining consists of using/developing data mining algorithms to discover interesting,  unexpected and useful patterns in databases. Pattern … Continue reading

Posted in Data Mining, Research | Tagged , , , , | 14 Comments

How to auto-adjust the minimum support threshold according to the data size

  Today, I will do a quick post on how to automatically adjust the minimum support threshold of frequent pattern mining algorithms such as Apriori, FPGrowth and PrefixSpan according to the size of the data. The problem is simple.  Let’s … Continue reading

Posted in Data Mining, Programming | Tagged , , , , , | 42 Comments