A method of defining aggregate levels to be used in aggregation in a data store having one or more dimensions. Levels are defined corresponding to attributes in the dimension, so that data can be aggregated into aggregates corresponding to values of those attributes. The invention provides for the definition...http://www.google.es/patents/US6163774?utm_source=gb-gplus-sharePatente US6163774 - Method and apparatus for simplified and flexible selection of aggregate and cross product levels for a data warehouse
Method and apparatus for simplified and flexible selection of aggregate and ...