Browsing by Author "Zhang, Honglei"

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    • Limited random walk algorithm for big graph data clustering 

      Zhang, Honglei; Raitoharju, Jenni; Kiranyaz, Serkan; Gabbouj, Moncef ( SpringerOpen , 2016 , Article)
      Graph clustering is an important technique to understand the relationships between the vertices in a big graph. In this paper, we propose a novel random-walk-based graph clustering method. The proposed method restricts the ...

    • Outlier edge detection using random graph generation models and applications 

      Zhang, Honglei; Kiranyaz, Serkan; Gabbouj, Moncef ( Springer , 2017 , Article)
      Outliers are samples that are generated by different mechanisms from other normal data samples. Graphs, in particular social network graphs, may contain nodes and edges that are made by scammers, malicious programs or ...