1. A Five-Layered Business Intelligence Architecture
2. M. Strand, B. Wangler and M. Olsson, Incorporating External Data into Data Warehouses: Characterizing and Categorizing Suppliers and Types of External Data, AMCIS 2003 Proceedings, 2003, 319, http://aisel.aisnet.org/amcis2003/319.
3. Research in Big Data Warehousing using Hadoop
4. Enterprise Information Management (EIM): The Hidden Secret to Peak Business Performance, (http://www.umsl.edu/∼sauterv/DSS4BI/links/EIM_Final.pdf) White paper by Vincent Lam and JT Taylor, University of Missouri-St. Louis
5. An overview of data warehousing and OLAP technology