Panagiotis Chountas, Ermir Rogova, Krassimir T. Atanassov. Expressing Hierarchical Preferences in OLAP Queries. In Janusz Kacprzyk, Frederick E. Petry, Adnan Yazici, editors, Uncertainty Approaches for Spatial Data Modeling and Processing: A Decision Support Perspective. Volume 271 of Studies in Computational Intelligence, pages 61-77, Springer, 2010. [doi]
Abstract is missing.