Tag Archives: pattern mining

(video) The EFIM algorithm

Posted on 2023-07-12 by Philippe Fournier-Viger

Here is a new video that I have recorded to explain the EFIM algorithm for high utility itemset mining. You can watch the video here. Related to this, if you want to try the EFIM algorithm, the original source code … Continue reading →

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(video) Introduction to episode mining

Posted on 2023-07-10 by Philippe Fournier-Viger

If you want to learn more about frequent episode mining, I have put online a new video that gives an introduction to this topic. To watch the video, you can download it from my website here or watch it from … Continue reading →

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Test your knowledge of sequential rule mining!

Posted on 2023-05-25 by Philippe Fournier-Viger

Do you know about sequential rule mining? It is a popular task in pattern mining that aims at finding rules in sequences. In this blog post, I will give a list of 8 questions and answers to evaluate your knowledge … Continue reading →

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Test your knowledge about periodic pattern mining

Posted on 2023-05-18 by Philippe Fournier-Viger

Periodic pattern mining is a data mining technique used to discover periodic patterns in a sequence of events. Algorithms for periodic pattern mining have many applications. I have prepared 10 questions to evaluate your knowledge of periodic pattern mining. You … Continue reading →

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An Interactive Demo of The Apriori algorithm

Posted on 2023-05-16 by Philippe Fournier-Viger

I have created a new website for students that provides an interactive demo of the Apriori algorithm. It allows to run Apriori in your browser and see the results step by step. The website is here: Apriori Algorithm Demo To … Continue reading →

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Test your knowledge about sequential pattern mining!

Posted on 2023-05-11 by Philippe Fournier-Viger

Sequential pattern mining is a data mining technique used to discover frequent sequences or patterns in data. I have prepared a short test of 10 questions to evaluate your knowledge of sequential pattern mining. The test is not very hard. … Continue reading →

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Test your knowledge about pattern mining!

Posted on 2023-05-04 by Philippe Fournier-Viger

Today, I publish a small quiz to test your knowledge about pattern mining. There are 10 questions, which are then followed by the answers. Those questions are not very hard 😉 How many can you get right? Questions Answers Tell … Continue reading →

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Visualizing the item frequency distribution of pattern mining datasets

Posted on 2023-05-03 by Philippe Fournier-Viger

In this blog post, I will explain a quick and easy way of visualizing the frequency distribution of items in a dataset in SPMF format for pattern mining. To do this, we will use a new online tool that I … Continue reading →

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An Online Tool to Draw FP-Trees

Posted on 2023-04-29 by Philippe Fournier-Viger

This blog post is to introduce a new tool made of HTML5 and JavaScript for drawing FP-trees, which you can access here: https://www.philippe-fournier-viger.com/tools/draw_fptree.php If you are not familiar with FP-trees, the FP-tree is a data structure used in the field of … Continue reading →

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A yet more efficient high utility itemset mining algorithm (HAMM, to appear in IEEE TKDE)

Posted on 2023-04-27 by Philippe Fournier-Viger

Today, I will share the good news that I have participated as co-author in a paper proposing a new algorithm for high utility itemset mining called HAMM that is very efficient, and outperforms the state-of-the-art algorithm. This is not an … Continue reading →

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