Category Archives: Java

An Improved Pattern Viewer

Posted on 2025-04-18 by Philippe Fournier-Viger

Today, I will talk about some features of the upcoming version of SPMF 2.63 that I am working on and is planned for release next month. Improved Pattern Visualizer window The first feature is an improvement of the Pattern Viewer … Continue reading →

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SPMF 2.60 is released!

Posted on 2024-04-21 by Philippe Fournier-Viger

This is a short message today to announce that the new version of SPMF 2.60 is finally released! This is a major version as it contains many new things. The full lists of changes can be found on the download … Continue reading →

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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 →

Posted in Data Mining, Java, open-source, Programming, spmf | Tagged , , , , , | 8 Comments