Data Compression in Database Systems. - W. Paul Cockshott; Douglas R. McGregor; Nikolaos Kotsis; John Wilson (IDEAS, 1998)

Compact Representation: An Approach to Efficient Implementation for the Data Warehouse Architecture. - Nikolaos Kotsis; Douglas R. McGregor (DaWaK, 1999)

Elimination of Redundant Views in Multidimensional Aggregates. - Nikolaos Kotsis; Douglas R. McGregor (DaWaK, 2000)

Multidimensional aggregation in OLAP systems. - Nikolaos Kotsis (2000)

Novel Data Visualisation and Exploration in Multidimensional Datasets. - Nikolaos Kotsis; George R. S. Weir; John D. Ferguson; Douglas R. McGregor (ICEIS (1), 2001)

ROLAP implementations of the data cube. - Konstantinos Morfonios; Stratis Konakas; Yannis E. Ioannidis; Nikolaos Kotsis (ACM Comput. Surv., 2007)