@inproceedings{EllisHM04,
  title = {eCAD: A Knowledge-Based Course Engineering System},
  author = {Timothy J. Ellis and William Hafner and Frank Mitropoulos},
  year = {2004},
  url = {http://csdl.computer.org/comp/proceedings/hicss/2004/2056/01/205610005aabs.htm},
  tags = {rule-based},
  researchr = {https://researchr.org/publication/EllisHM04},
  cites = {0},
  citedby = {0},
  booktitle = {HICSS},
}