Title :
OLAP databases and aggregation functions
Author :
Lenz, Hans-J ; Thalheim, Bernhard
Author_Institution :
Inst. of Production Comput. Sci. in Econ. & Oper. Res., Free Univ. Berlin, Germany
Abstract :
Aggregation functions are a class of generic functions which must be usable in any database application. We characterize the case where the aggregation functions can be correctly applied on macrodata (data cube) which are computed on the microdata
Keywords :
data mining; data warehouses; meta data; query processing; OLAP databases; aggregation functions; data cube; database application; generic functions; macrodata; microdata; Aggregates; Algebra; Application software; Computer science; Filtration; H infinity control; Marketing and sales; Operations research; Production; Relational databases;
Conference_Titel :
Scientific and Statistical Database Management, 2001. SSDBM 2001. Proceedings. Thirteenth International Conference on
Conference_Location :
Fairfax, VA
Print_ISBN :
0-7695-1218-6
DOI :
10.1109/SSDM.2001.938542