@article{YeungNollGibbinsetal.2011,
  author    = {Ching-man Au Yeung and Michael G. Noll and Nicholas Gibbins and Christoph Meinel and Nigel Shadbolt},
  title     = {Spear spamming-resistant expertise analysis and ranking incollaborative tagging systems},
  journal   = {Computational intelligence},
  volume    = {27},
  number    = {3},
  pages     = {458 -- 488},
  doi       = {10.1111/j.1467-8640.2011.00384.x},
  year      = {2011},
}