Tag Archives: itemset

SPMF 2.60 is coming soon!

Today, I want to talk a little bit about the next version of SPMF that is coming very soon. Here is some highlights of the upcoming features: 1) A Memory Viewer to help monitor the performance of algorithms in real-time: … Continue reading

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(video) The EFIM algorithm

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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An Interactive Demo of The Apriori algorithm

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 pattern mining!

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

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

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)

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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Introduction to Rare Itemset Mining

In the last decades, many data mining algorithms were developed to find interesting patterns in data (pattern mining). In particular, a lot of studies have been done about discovering frequent patterns (patterns that appear frequently) in a data. A classic … Continue reading

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A Glossary of High Utility Pattern Mining

Today, I present a glossary of key terms usedin high utility itemset mining. This glossary will be useful to researchers and practitioners working on this important subtopic of pattern mining. By the way, if you are new to this research … Continue reading

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What are Generator Itemsets?

Today, I will briefly explain what is a generator itemset. I will give some example and explain why generator itemsets are interesting and useful for some applications. I will also mention that efficient implementations can be found in the SPMF … Continue reading

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