@inproceedings{parma04,
    AUTHOR= "Bouros, P., and Dalamagas, T., and Sellis, T., and Terrovitis, M.",
    TITLE= "PatManQL: A language to manipulate patterns and data in hierarchical catalogs",
    BOOKTITLE = "Proceedings of the EDBT Workshop on Pattern Representation and Management (PaRMa04), Heraklion, Greece",
    YEAR ="2004"
    }