TY - CHAP A1 - Vestenicky, Vojtech A1 - Thalheim, Bernhard ED - Jaakkola, Hannu ED - Kangassalo, Hannu ED - Kawaguchi, Eiji T1 - Flexible Association of Varieties of Ontologies with Varieties of Databases KW - onotlogies Y1 - 2003 ER - TY - RPRT A1 - Vestenicky, Vojtech T1 - Schema Integration as View Cooperation KW - schema integration Y1 - 2003 PB - Inst. of Computer Science CY - Cottbus ER -