@conference{Markantonatouetal2005,
author = "Μαρκαντωνάτου, Στέλλα and Βασιλείου, Μαρίνα and Γιαννούτσου, Όλγα",
address = "Athens, Greece",
booktitle = "Proceedings of HERCMA 2005",
title = "{O}ntologies and {T}hesauri  ",
year = "2005",
}