A system and method for associating data objects utilizing unique identifiers is provided. Data objects are modeled utilizing a data object ontology. Unique identifiers for instances of each data object are calculated utilizing a selection of unique attributes of the data object ontology. Data objects...http://www.google.de/patents/US20050097111?utm_source=gb-gplus-sharePatent US20050097111 - System and method for data integration using multi-dimensional, associative unique identifiers