@inproceedings{Orgun99,
  title = {A Temporal Relational Algebra Based on Multiple Time-Lines},
  author = {Mehmet A. Orgun},
  year = {1999},
  url = {http://computer.org/conferen/proceed/time/0173/01730100abs.htm},
  tags = {rule-based, relational algebra,  algebra},
  researchr = {https://researchr.org/publication/Orgun99},
  cites = {0},
  citedby = {0},
  pages = {100-105},
  booktitle = {TIME},
}