Limiting Result Cardinalities for Multidatabase Queries Using Histograms

Abstract. Integrating, cleaning and analyzing data from heterogeneous sources is often complicated by the large amounts of data and its physical distribution which can result in poor query response time. One approach to speed up the processing is to reduce the cardinality of results

• Type: Conference
• Year: 2001
• Where: BNCOD
• Authors: Kai-Uwe Sattler, Oliver Dunemann, Ingolf Geist, Gunter Saake, Stefan Conrad
• Keywords: Attribute Value Distributions, BNCOD 2001, BNCOD 2007, Heterogeneous Sources, Query Operators