Category Archives: Uncategorized

KNN Interactive demo in your browser

Posted on 2023-10-12 by Philippe Fournier-Viger

Today, I want to show you a new interactive demo of the KNN (K-Nearest Neighbors) algorithm that I have added to my website. It is designed to be used for teaching purpose to illustrate how the K-Nearest Neighbors algorithm works. … Continue reading →

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Busy times

Posted on 2023-10-02 by Philippe Fournier-Viger

Hi all, I just write a quick message to say that I did not write on the blog recently due to my very busy schedule recently. However, everything is going well. I will be back on the blog with more … Continue reading →

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Two common English errors in pattern mining papers

Posted on 2023-06-15 by Philippe Fournier-Viger

This is a short blog post to talk about two common errors in pattern mining research papers. 1) The first error is: “mining frequent itemsets from a database” “mining patterns from a stream”“mining patterns over a database”“mining patterns over a … Continue reading →

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What are the applications of sequential pattern mining?

Posted on 2023-05-13 by Philippe Fournier-Viger

Sequential pattern mining (SPM) is a data mining technique that aims to discover patterns or subsequences that occur frequently in sequential data. Sequential data can be found in various domains such as customer transactions, web browsing, text analysis, and bioinformatics. … Continue reading →

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What is a maximal itemset?

Posted on 2023-04-12 by Philippe Fournier-Viger

In data mining, an itemset is a collection of items that occur together in a transactional dataset. For example, if we have a dataset of customer purchases, an itemset could be {bread, cake, orange}, meaning that these three items were … Continue reading →

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Happy New Year 2023!

Posted on 2023-01-05 by Philippe Fournier-Viger

To all readers of this blog, I would like to wish you a happy new year 2023! Recently, I have been very busy due to the end of semester and also having COVID. But now, I am fully recovered. Two … Continue reading →

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SPMF 2.55 is released (10 new algorithms!)

Posted on 2022-10-05 by Philippe Fournier-Viger

Hi everyone, This is a short blog post to let you know that a new version of the SPMF data mining library has been released (version 2.55) with 10 new algorithms for pattern mining. SPMF is by far the most … Continue reading →

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Travelling

Posted on 2021-10-08 by Philippe Fournier-Viger

Today, I will talk about something that I like very much, which is travelling. Being a researcher has allowed me to travel to numerous places around the world that I may not have discovered otherwise. In fact, I have attended … Continue reading →

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Brief report about the DEXA 2021 and DAWAK 2021 conferences

Posted on 2021-09-27 by Philippe Fournier-Viger

In this blog post, I will talk about the DEXA 2021 and DAWAK 2021 conferences that I have attended, September 27–30, 2021. Those two conferences are co-located and co-organized every year in different countries of Europe. This year, these conferences … Continue reading →

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Key Papers about Periodic Pattern Mining

Posted on 2021-05-20 by Philippe Fournier-Viger

In this blog post, I will list the key algorithms for periodic itemset mining (according to me) with comments about their contributions. Of course, this list is subjective. I did not list all the papers of all authors but I … Continue reading →

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