M. El Alaoui

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A Data warehouse is a tool that is used by big companies, and it gathers data coming from different sources. The main goal of a data warehouse is not only to store data, but also to help companies to make decisions. The huge volume of data makes processing queries complex and time-consuming. In order to solve this problem, the materialization of views is(More)
Many clustering techniques are highly dependent on the initialization. The introduction of membership degrees used in fuzzy logic, avoids local minima, however the global minimum is far from satisfactory, especially when dealing with clusters with varying density. Here we propose an initialization method combining distance and density in order to approach(More)
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