The aim of this research based book is to highlight the importance of real-time data warehousing (RTDW) to increase operational business intelligence in large organizations. We present state-of-the art survey and a comprehensive comparative analysis in three areas: (1) RTDW frameworks, (2) real-time data acquisition technologies, and (3) data warehouse multidimensional conceptual modeling (MCM) techniques. We also discuss some future research directions and open problems related to RTDW. In our point of view, semi-structured databases (i.e., XML) have greater capability to incorporate...