Answering Approximate Range Aggregate Queries on OLAP Data Cubes with Probabilistic Guarantees. - Alfredo Cuzzocrea; Wei Wang 011; Ugo Matrangolo (DaWaK, 2004)

Analytical Synopses for Approximate Query Answering in OLAP Environments. - Alfredo Cuzzocrea; Ugo Matrangolo (DEXA, 2004)

An Analytical Approach for Providing Approximate Answers to Aggregate Queries on Bi-Dimensional OLAP Data Cubes. - Alfredo Cuzzocrea; Ugo Matrangolo (SEBD, 2004)

XPath lookup queries in P2P networks. - Angela Bonifati; Ugo Matrangolo; Alfredo Cuzzocrea; Mayank Jain (WIDM, 2004)