@inproceedings{1042016,
    title = "Efficient maintenance of semistructured schema",
    author = "Katsaros, Dimitrios",
    year = "2001",
    pages = "194-202",
    publisher = "Εκδοτικός Οργανισμός Λιβάνη",
    booktitle = "8th Panhellenic Conference in Informatics Proceedings (Volume 2)"
}