Category Archives: Java

Efficiency problems with using java.util.Hashmap

Posted on 2023-02-20 by Philippe Fournier-Viger

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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SPMF’s architecture (5) The Graphical User Interface

Posted on 2023-02-14 by Philippe Fournier-Viger

This is the fifth post of a series of blog posts about the architecture of the SPMF data mining library. Today, I will specifically talk about the graphical user interface of SPMF, its main components and how it interacts with … Continue reading →

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SPMF 3.0: Towards even more efficiency

Posted on 2023-02-09 by Philippe Fournier-Viger

In this blog post, I will talk about the future of SPMF. I do this once in a while. Today, I will discuss on the performance of SPMF. Performance A main focus of SPMF is and has always been efficiency … Continue reading →

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SPMF’s architecture (3) The Preference Manager

Posted on 2023-01-31 by Philippe Fournier-Viger

This is the third of a series of blog posts about the architecture of the SPMF data mining library. Today, I will explain the role of another an internal module in SPMF, called the Preference Manager. This module is used … Continue reading →

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SPMF’s architecture (1) The Algorithm Manager

Posted on 2023-01-16 by Philippe Fournier-Viger

In this new series of blog posts, I will talk about the architecture of the SPMF data mining library, and in particular, I will talk about the AlgorithmManager, which is a key component of SPMF, which manages all the algorithms … Continue reading →

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How to package SPMF as an EXE file with JPackage?

Posted on 2022-11-27 by Philippe Fournier-Viger

In this blog post, I will explain how to use the jpackage tool that is provided with Java to (1) package the JAR file of SPMF into an EXE file for Windows, and (2) to create an installer for SPMF. … Continue reading →

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New version of SPMF Java open-source data mining library (0.95)

Posted on 2014-02-28 by Philippe Fournier-Viger

Today, I write a post to announce a new version of the SPMF Java open-source data mining library.  It is SPMF version 0.95 and it is a major revision. It offers 11 new  data mining algorithms for various data mining … Continue reading →

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Discovering and visualizing sequential patterns in web log data using SPMF and GraphViz

Posted on 2014-02-09 by Philippe Fournier-Viger

Today, I will show how to use the open-source SPMF data mining software to discover sequential patterns in web log data. Then, I will show to how visualize the frequent sequential patterns found using GraphViz. Step 1 :  getting the … Continue reading →

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Analyzing the source code of the SPMF data mining software

Posted on 2013-05-16 by Philippe Fournier-Viger

Hi everyone, In this blog post, I will discuss how I have applied an open-source tool that is named Code Analyzer ( http://sourceforge.net/projects/codeanalyze-gpl/ )  to analyze the source code of my open-source data mining software named SPMF. I have applied … Continue reading →

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A Map of Data Mining Algorithms (offered in SPMF v092c)

Posted on 2013-04-09 by Philippe Fournier-Viger

Hi, I have made a map to visualize the relationship between the 52 different data mining algorithms offered in the SPMF data mining software.  You can view it in PNG format by clicking on the picture below: Or you can … Continue reading →

Posted in Data Mining, Java, open-source, Pattern Mining, Programming, spmf | Tagged , , , , , | 2 Comments