@inproceedings{KarimMLM15,
  author    = {Karim Gasmi and Mouna Torjmen Khemakhem and Lynda Tamine and Maher Ben Jemaa},
  title     = {Graph-based Methods for Significant Concept Selection},
  booktitle = {19th International Conference in Knowledge Based and Intelligent Information
               and Engineering Systems, {KES} 2015, Singapore, 7-9 September 2015},
  pages     = {488--497},
  year      = {2015},
}