Category Archives: Uncategorized

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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A brief report about the Big Data Analytics 2019 conference (BDA 2019)

Posted on 2019-12-22 by Philippe Fournier-Viger

This week, I have attended the 7th Big Data Analytics conference (BDA 2019), which was held in Ahmedabad, India from the 17th to 20th December 2019. This was a great event with good keynote speeches, invited talks, research papers, tutorials, a workshop on IT for agriculture, a panel … Continue reading →

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