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KDD Course Project - Implementation of Community Detection Algorithms and Evaluations and Some Datasets (港科博一时候KDD课程作业) - by Shixuan Sun (https://github.com/shixuansun) and Yulin CHE (https://github.com/CheYulin)

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Community Detection

This is a probject of Community Detection.

KDD Course Project - Implementation of Community Detection Algorithms and Evaluations and Some Datasets (港科博一时候KDD课程作业) - by Shixuan Sun and Yulin CHE

Dataset

We have collected or generated datasets, wihch are in /dataset.

/dataset/big : Amazon, Friendship, Collaboration and Road(with poor clique structure)
/dataset/small : Football, Karate, Polbooks
/dataset/synthetic : Synthtic graph data generated from networkx including Gaussian Random Partition Graph, Random Partition Graph and Relaxed Caveman Graph.

Implementation

We implmented Attractor algorithm mentioned in a KDD2015 paper Community Detection based on Distance Dynamics[1], which adopts an distance dynamic converging method and we improved the perfomance of it in two ways.

  1. Use cached virtual edge and apply vertex influence
  2. Use sliding window to remove long tailor

We developed tools on Java(/src/Java) to process input and output of graphs with Louvain, Infomap, MCL and Metis(src/Compared_Algorithms), developed tools on CSharp(src/CSharp) to automatically generate graph with different parameters, developed tools on Python(src/Python) to visualize the analysis of experiments and write shell scripts(src/Shell) to automatically test different datasets.

Comparison Algorithms

We include Louvain, Infomap, MCL, Metis in src/Compared_Algorithms for the use of comparison with Attractor(Dynamic Distance)algorithm

Others

Some results of our experiments are kept in /results. Some documents are kept in /presentation. Some questions for future analysis are kept in /questions.

[1]Shao J, Han Z, Yang Q, et al. Community Detection based on Distance Dynamics[C]//Proceedings of the 21th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. ACM, 2015: 1075-1084.

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KDD Course Project - Implementation of Community Detection Algorithms and Evaluations and Some Datasets (港科博一时候KDD课程作业) - by Shixuan Sun (https://github.com/shixuansun) and Yulin CHE (https://github.com/CheYulin)

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