@misc{indiciaeb33f6bacd0ed,
  title = {Constraint-based Temporal Reasoning with Preferences},
  author = {Khatib, Lina and Morris, Paul and Morris, Robert and Rossi, Francesca and Sperduti, Alessandro and Venable, K. Brent},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20060015666},
  note = {Source identifier: 20060015666}
}