Browsing by Author "Li, Junqiu"

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    Approximating web communities using subspace decomposition
    (Elsevier, 2014) Eustace, Justine; Wang, Xingyuan; Li, Junqiu
    Herein, we propose an algorithm to approximate web communities from the topic related web pages. The approximation is achieved by subspace factorization of the topic related web pages. The factorization process reveals existing association between web pages such that the closely related web pages are extracted. We vary the approximation values to identify varied degrees of relationship between web pages. Experiments on real data sets show that the proposed algorithm reduces the impact of unrelated links and therefore can be used to control spam links in web pages.
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    Detecting overlapping communities by seed community in weighted complex networks
    (Elsevier, 2013) Li, Junqiu; Wang, Xingyuan; Eustace, Justine
    Detection of community structures in the weighted complex networks is significant to understand the network structures and analysis of the network properties. We present a unique algorithm to detect overlapping communities in the weighted complex networks with considerable accuracy. For a given weighted network, all the seed communities are first extracted. Then to each seed community, more community members are absorbed using the absorbing degree function. In addition, our algorithm successfully finds common nodes between communities. The experiments using some real-world networks show that the performance of our algorithm is satisfactory.