Category Archives: Uncategorized

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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Papers without code (and the problem of non-reproducible research)

Posted on 2021-03-10 by Philippe Fournier-Viger

Recently, there has been some debate on the Machine Learning sub-Reddit about the reproducibility or I should say the lack of reproducibility of numerous machine learning papers. Several Reddit users complained that they spent much time (sometimes weeks) to try … Continue reading →

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More problems on IONOS web hosting… 4 days of downtime!

Posted on 2020-10-05 by Philippe Fournier-Viger

A month ago, I had some big problems with my website hosted by 1and1 ionos. The database was seemingly reverted to three years back and I lost all the posts from the last three years! This week, I got more … Continue reading →

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Big problem on my website on IONOS webhosting!

Posted on 2020-08-25 by Philippe Fournier-Viger

Hi all, A bad news is that the database of this blog was reverted to 3 years ago due to some technical problem. I have used 1and1 IONOS as hosting service for my websites for the last 10 years, but … Continue reading →

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