Tag Archives: itemset mining

Vertical and horizontal databases in itemset mining

Posted on 2025-01-11 by Philippe Fournier-Viger

Itemset mining is a data mining task for discovering patterns that appear frequently in transaction databases. In this context, a pattern, also called a frequent itemset, is a set of values that frequently occur together in transactions (records) of a … Continue reading →

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SPMF 2.62 is released!

Posted on 2024-06-13 by Philippe Fournier-Viger

This is a short blog post to announce that SPMF 2.62 is released, and can be downloaded from the SPMF website‘s download page. The previous version of SPMF (2.60) introduced a lot of new features, also with some code refactoring, … Continue reading →

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Some interesting statistics about SPMF

Posted on 2024-04-10 by Philippe Fournier-Viger

While I am preparing the next version of Java SPMF data mining software (2.60), here are some interesting statistics about the project, that I have generated directly from the metadata provided by SPMF. Here it is: The number of algorithms … Continue reading →

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UDML 2024 Accepted papers

Posted on 2024-02-18 by Philippe Fournier-Viger

Today, I want to talk to you about the upcoming UDML 2024 workshop at the PAKDD 2024 conference. This year is the 6th edition of the UDML workshop. I am happy to say that this year, we received a record … Continue reading →

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SPMF 2.60 is coming soon!

Posted on 2024-02-05 by Philippe Fournier-Viger

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

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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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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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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