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AuthorTitleYearJournal/ProceedingsReftypeDOI/URL
Giatsidis, C., Thilikos, D. M. & Vazirgiannis, M. Evaluating Cooperation in Communities with the k-Core Structure 2011 Advances in Social Networks Analysis and Mining (ASONAM), 2011 International Conference on   inproceedings DOIURL  
Abstract: Community sub graphs are characterized by dense connections or interactions among its nodes. Community detection and evaluation is an important task in graph mining. A variety of measures have been proposed to evaluate the quality of such communities. In this paper, we evaluate communities based on the k-core concept, as means of evaluating their collaborative nature - a property not captured by the single node metrics or by the established community evaluation metrics. Based on the k-core, which essentially measures the robustness of a community under degeneracy, we extend it to weighted graphs, devising a novel concept of k-cores on weighted graphs. We applied the k-core approach on large real world graphs - such as DBLP and report interesting results.
BibTeX:
@inproceedings{giatsidis2011evaluating,
  author = {Giatsidis, Christos and Thilikos, Dimitrios M. and Vazirgiannis, Michalis},
  title = {Evaluating Cooperation in Communities with the k-Core Structure},
  booktitle = {Advances in Social Networks Analysis and Mining (ASONAM), 2011 International Conference on},
  year = {2011},
  pages = {87-93},
  url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5992567&tag=1},
  doi = {http://dx.doi.org/10.1109/ASONAM.2011.65}
}

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