A Method of Selecting Materialized Views in Data Warehouse
Chunxia Leng · Huadong Li-Gong Daxue xuebao · 2005
Materialized view is an important method for improving query performance in data warehouse system and its selection is a research hot. In this paper, we use directed-acyclic graph (DAG) to represent a query processing, then define a cost model and a query efficiency model, and finally put forward an algorithm for materialized views selection.