@ARTICLE{Brewster:IS04,
  author = {Christopher Brewster and Kieron O'Hara},
  title = {Knowledge Representation with Ontologies: The Present and Future},
  journal = {IEEE Intelligent Systems},
  year = {2004},
  volume = {19},
  number = {1},
  pages = {72-73},
  month = {January/February},
}