Tag Archives: data mining

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

The PAKDD 2017 conference (a brief report)

Posted on 2017-05-26 by Philippe Fournier-Viger

This week, I have attended the PAKDD 2017 conference in Jeju Island, South Korea, this week, from the 23 to 26th May.  PAKDD is the top data mining conference for the asia-pacific region. It is held every year in a different pacific-asian country. In this blog post, I will write a brief report about … Continue reading →

Posted in Academia, Conference, Data Mining, Data science | Tagged , , , , , , | 4 Comments

This is why you should visualize your data!

Posted on 2017-03-11 by Philippe Fournier-Viger

In the data science and data mining communities, several practitioners are applying various algorithms on data, without attempting to visualize the data.  This is a big mistake because sometimes, visualizing the data greatly helps to understand the data. Some phenomena are obvious when visualizing the data. In this blog post, I will give a few … Continue reading →

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We are launching a new data mining journal

Posted on 2016-12-30 by Philippe Fournier-Viger

In this blog post, I will discuss one of my recent and current project. I have been recently working with my colleague Chun-Wei Lin on launching a new journal, titled “Data Science and Pattern Recognition“. This is a new open-access journal, … Continue reading →

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Introduction to the K-Means clustering algorithm (with Java code)

Posted on 2016-12-27 by Philippe Fournier-Viger

In this blog post, I will introduce the popular data mining task of clustering (also called cluster analysis).  I will explain what is the goal of clustering, and then introduce the popular K-Means algorithm with an example. Moreover, I will briefly explain how an open-source Java implementation of … Continue reading →

Posted in Big data, Data Mining, Data science, open-source | Tagged , , , , , , | 2 Comments

Introduction to time series mining with SPMF

Posted on 2016-12-18 by Philippe Fournier-Viger

This blog post briefly explain how time series data mining can be performed with the Java open-source data mining library SPMF (v.2.06).  It first explain what is a time series and then discuss how data mining can be performed on time series. What is … Continue reading →

Posted in Big data, Data Mining, open-source, spmf, Time series | Tagged , , , , , , , , | 1 Comment

Discovering hidden patterns in texts using SPMF

Posted on 2016-09-17 by Philippe Fournier-Viger

This tutorial will explain how to analyze text documents to discover complex and hidden relationships between words.  We will illustrate this with a Sherlock Holmes novel. Moreover we will explain how hidden patterns in text can be used to recognize the author of a … Continue reading →

Posted in Big data, Data Mining, Data science, open-source, spmf | Tagged , , , | 9 Comments

Brief report about the IEA AIE 2016 conference

Posted on 2016-08-04 by Philippe Fournier-Viger

This week, I have attended the IEA AIE 2016 conference, held at Morioka, Japan from the 2nd to the 4th August 2016. In this blog post, I will briefly discuss the conference. About the conference IEA AIE 2016 (29th International Conference … Continue reading →

Posted in artificial intelligence, Conference, Data Mining, Data science, Research | Tagged , , | 7 Comments

News about SPMF

Posted on 2016-02-03 by Philippe Fournier-Viger

Some quick news about the SPMF project. First, this month I have made a few updates to SPMF.  Two new algorithms have been added: USpan (for high-utility sequential pattern mining) and FCHM (for correlated high utility itemset mining). Moreover, I have fixed … Continue reading →

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SPMF data mining library 0.98: new pattern visualization window

Posted on 2016-01-14 by Philippe Fournier-Viger

This blog post is to let you know that I have just published a new version of the SPMF open-source Java data mining library (0.98) that offers a new window for visualizing the patterns found by data mining algorithms. This … Continue reading →

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