Building a health care data warehouse for cancer diseases
  This paper presents architecture for health care data warehouse specific to cancer diseases which could be used by executive managers, doctors, physicians and other health professionals to support the healthcare process. The data today existing in multi-sources with different formats makes it necessary to have some techniques for data integration. Executive managers need access to Information so that decision makers can react in real time to changing needs. Information is one of the most factors to an organization success that executive managers or physicians would need to base their decisions on, during decision making. A health care data warehouse is therefore necessary to integrate the different data sources into a central data repository and analysis this data. 
Osama El-Sayed Sheta and Ahmed Nour Eldeen
cs.DB