Tag Archives: algorithm

Sneak peak at the new user interface of SPMF (part 3)

Posted on 2024-04-03 by Philippe Fournier-Viger

Today, I would like to talk to you about another upcoming feature of the next version of SPMF (2.60), which will be released soon. It will be a Workflow Editor that will allow the user to select multiple algorithms from … Continue reading →

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Sneak peak at the new user interface of SPMF (part 2)

Posted on 2024-03-14 by Philippe Fournier-Viger

Today, I will continue to show you some upcoming features of SPMF 2.60, on which some work is ongoing. This new version of SPMF should be released in the coming weeks. The new feature that I will talk about today … 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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The PrefixSpan algorithm (video)

Posted on 2022-03-09 by Philippe Fournier-Viger

I have posted a new video about pattern mining, explaining the PrefixSpan algorithm. It assumes that you know already what is sequential pattern mining. If you are not familiar with sequential pattern mining, you can first watch my video Introduction … Continue reading →

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New version of SPMF (2.44): 4 new algorithms, datasets and features

Posted on 2021-02-12 by Philippe Fournier-Viger

Today, I am happy to announce that a new version of the SPMF open-source data mining software is released (v. 2.44). This is the download page. This new version was made possible due to several contributors. What is new? New … Continue reading →

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(video) Mining Frequent Itemsets with the Apriori algorithm

Posted on 2019-04-20 by Philippe Fournier-Viger

This is a video presentation of the Apriori algorithm for discovering frequent itemsets in data. Frequent itemset mining is one of the most popular data mining task. VIDEO LINK: https://www.philippe-fournier-viger.com/spmf/videos/apriori.mp4 The Java source code of the Apriori algorithm and datasets for evaluating its performance are available in the SPMF software. If you want … Continue reading →

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On the correctness of the FSMS algorithm for frequent subgraph mining

Posted on 2018-01-20 by Philippe Fournier-Viger

In this blog post, I will explain why the FSMS algorithm for frequent subgraph mining is an incorrect algorithm.  I will publish this blog post because I have found that the algorithm is incorrect after spending a few days to implement the algorithm in 2017 and wish to save time to other researchers … Continue reading →

Posted in Big data, Data Mining, Pattern Mining | Tagged , , , , | 2 Comments

How to test if a data mining mining algorithm implementation is correct?

Posted on 2015-07-28 by Philippe Fournier-Viger

In this blog post, I will discuss how to check if a data mining algorithm implementation is correct and complete. This is a very important topic for researchers who are implementing data mining algorithms since an incorrect implementation may generate unexpected results. … Continue reading →

Posted in Data Mining, Programming, Research, Uncategorized | Tagged , , , | 3 Comments

What are the steps to implement a data mining algorithm?

Posted on 2013-06-13 by Philippe Fournier-Viger

In this post, I will discuss what are the steps that I follow to implement a data mining algorithm.  The subject of this post comes from a question that I have received by e-mail recently, and I think that it … Continue reading →

Posted in Data Mining, Programming | Tagged , , , , | 45 Comments