Tag Archives: graph

Two post-doctoral researcher positions in my team (topic: data mining / machine learning)

There are two post-doc positions that are now OPEN in my research team in Shenzhen, China. === Topic === data mining or ML algorithms for processing graphs, sequences, streams or other complex data, pattern mining === Benefits ===== Very good … Continue reading

Posted in Academia, Data Mining, Data science, Machine Learning, Research | Tagged , , , , , , , | Leave a comment

An introduction to frequent subgraph mining

In this blog post, I will give an introduction to an interesting data mining task called frequent subgraph mining, which consists of discovering interesting patterns in graphs. This task is important since data is naturally represented as graph in many domains (e.g. social networks, chemical molecules, … Continue reading

Posted in Big data, Data Mining, Pattern Mining | Tagged , , , , , , | 7 Comments

Subgraph mining datasets

In this post, I will provide two standard benchmark datasets that can be used for frequent subgraph mining. Moreover, I will provide a set of small graph datasets that I have created for debugging subgraph mining algorithms. The format of graph datasets A graph dataset is a text file … Continue reading

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

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

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, Programming | Tagged , , , , , | 8 Comments