Author Archives: Philippe Fournier-Viger

What is a Closed Itemset and Why is it Useful?

In this blog post, I will explain in simple terms what is a closed itemset and give some examples. I will also mention a few algorithms that can be used to find closed itemsets and that they can be found … Continue reading

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Introducing PSAC-PDB: A Novel Approach to Protein Structure Analysis and Classification

In this blog post, I will give a short overview of our recent research paper about protein structure analysis and classification by my team (M. S. Nawaz, P. Fournier-Viger, Y. He and Q. Zhang). Proteins are essential molecules for life, … Continue reading

Posted in Bioinformatics | Leave a comment

DSSBA 2023, 2nd Special Session on Data Science for Social and Behavioral Analytics @DSAA

I am excited to announce that the 2nd Special Session on Data Science for Social and Behavioral Analytics (DSSBA 2023) will be held at the 10th IEEE International Conference on Data Science and Advanced Analytics (IEEE DSAA 2023) from October … Continue reading

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Discovering the Top-K Stable Periodic Patterns in a Sequence of Events

In this blog post, I will give a brief introduction to the TSPIN paper about how to find stable periodic patterns in a sequence of events. This algorithm was presented in this research paper: Fournier-Viger, P., Wang Y., Yang, P., … Continue reading

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Data disasters and more…

Today, I will not talk about a serious topic. Recently, I have been experimenting a little bit with generative AI tools for pictures during my free time. Some services can generate some pretty nice pictures based on text prompts. For … Continue reading

Posted in Data Mining, Data science, General, Machine Learning | Leave a comment

UDML 2023 workshop!

I’m excited to announce that I am co-organizing a new edition of the Utility-Driven Mining and Learning (UDML) workshop, which will be colocated with the IEEE International Conference on Data Mining (ICDM) 2023 in Shanghai, China. The UDML workshop aims … Continue reading

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How to Detect and Classify Metamorphic Malware with Sequential Pattern Mining (MalSPM)

Malware are malicious software that can harm computers and networks by stealing data, encrypting files, or damaging devices. Malware are a serious threat to cybersecurity, especially when they can change their appearance to evade detection by antivirus software. This is … Continue reading

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How to propose a special issue for a journal?

Today, I will talk about how to propose a special issue for a journal. What is a special issue? A special issue is a collection of articles on a specific topic or theme that is published in a journal. Special … Continue reading

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ASCII Art for SPMF

Today, just for fun, I generated some ASCII arts for the SPMF data mining library using this tool: http://textkool.com/en/ascii-art-generator?hl=default&vl=default&font=Red%20Phoenix&text=Your%20text%20here%20 I think the result is not bad but I am not sure if I would use it: _____ _____ __ __ … Continue reading

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Efficiency problems with using java.util.Hashmap

Today, I will talk about some efficiency problems when using the java.util.Hashmap data structure provided by Java. This is an important topics for programmers that aim at implementing efficient software that rely on maps. Brief review about HashMap First, let’s … Continue reading

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