@article{JungJN-IJIIDS-07,
  author    = {Jason J. Jung and
               Krzysztof Juszczyszyn and
               Ngoc Thanh Nguyen},
  title     = {Centrality measurement on semantically multiplex social
               networks: divide-and-conquer approach},
  journal   = {International Journal of Intelligent Information and Database Systems},
  volume    = {1},
  number    = {3/4},
  year      = {2007},
  pages     = {277-292},
  ee        = {http://dx.doi.org/10.1504/IJIIDS.2007.016681}
}