Category Archives: Data Mining

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 →

Posted in Big data, Data Mining, Data science | Tagged , , , , | Leave a comment

An Introduction to Sequential Pattern Mining

Posted on 2017-03-08 by Philippe Fournier-Viger

In this blog post, I will give an introduction to sequential pattern mining, an important data mining task with a wide range of applications from text analysis to market basket analysis.  This blog post is aimed to be a short introduction. If you want to read a more … Continue reading →

Posted in Big data, Data Mining, Pattern Mining | Tagged , , , , | 20 Comments

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 →

Posted in Big data, Data Mining, Data science, Research | Tagged , , , | Leave a comment

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

Why I left Canada to work as a University Professor in China

Posted on 2016-09-15 by Philippe Fournier-Viger

One year and a half ago, I was working as a professor at a university in Canada. But I took the decision to not renew my contract and move to China. At that time, some people may have thought that I was crazy to leave my job … Continue reading →

Posted in Data Mining, Research, Uncategorized | 1 Comment

Brief report about the Dexa 2016 and Dawak 2016 conferences

Posted on 2016-09-06 by Philippe Fournier-Viger

This week, I have been attending the DEXA 2016 and DA‎WAK 2016 conferences, in Porto, Portugal, from the 4th to 8th September 2016, to present three papers. In this blog post, I will give a brief report about these conferences. About these … Continue reading →

Posted in Big data, Conference, Data Mining, Research | Tagged , | 5 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

Brief report about the 12th International Conference on Machine Learning and Data Mining conference (MLDM 2016)

Posted on 2016-07-20 by Philippe Fournier-Viger

In this blog post, I will provide a brief report about the 12th Intern. Conference on Machine Learning and Data Mining (MLDM 2016), that I have attended from the 18th to 20th July 2016 in Newark, USA. First I have to say, that I … Continue reading →

Posted in Big data, Conference, Data Mining, Data science | Tagged , | 2 Comments