1. Kimball, R., Ross, M., Thornthwaite, W., Mundy, J., Becker, B.: The Data Warehouse Lifecycle Toolkit, 2nd edn. Wiley (2008). ISBN: 978-0-470-14977-5
2. Rieger, B., Kleber, A., von Maur, E.: Metadata-based integration of qualitative and quantitative information resources approaching knowledge management. In: ECIS (2000)
3. Bleyberg, M.Z., Ganesh, K.: Dynamic multi-dimensional models for text warehouses. In: Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, Nashville, Tennessee (2000)
4. Maria Zamfir, B., Paranjape, P.S.: A content delivery strategy for text warehouses. In: IEEE International Conference on Systems, Man and Cybernetics, vol. 4, pp. 2322–2325 (2001)
5. Tseng, F.S.C., Chou, A.Y.H.: The concept of document warehousing for multidimensional modeling of textual-based business intelligence. Decis. Support Syst. 42, 727–744 (2005)