Background
Recent developments in information systems technologies have resulted in computerizing many applications in various business areas. Data has become a critical resource in many organizations, and therefore, efficient access to data, sharing the data, extracting information from the data, and making use of the information has become an urgent need. As a result, there have been many efforts on not only integrating the various data sources scattered across several sites, but extracting information from these databases in the form of patterns and trends and carrying out data analytics has also become important. These data sources may be databases managed by database management systems, or they could be data warehoused in a repository ...
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