@inproceedings{CIKM-1998-SpaccapietraPZ,
	author        = "Stefano Spaccapietra and Christine Parent and Esteban Zimányi",
	booktitle     = "{Proceedings of the Seventh ACM International Conference on Information and Knowledge Management}",
	cdrom         = "CIKM1998/P432.pdf",
	doi           = "10.1145/288627.288693",
	isbn          = "1-58113-061-9",
	pages         = "432--440",
	publisher     = "{ACM}",
	title         = "{Modeling Time from a Conceptual Perspective}",
	year          = 1998,
}