| Summary: | This work describes the development of the Performance Indicators Board Module (PIB Module) as a Data Warehousing system. This module aims to give planning and control information to support the decision making process at mass transit companies. It is part of the GIST98/EUROBUS system - a Decision Support System to the planning area. Firstly are defined the main concepts about Data Warehousing systems and presented methods to develop this kind of systems. Next is presented the study case (the PIB Module construction as a module of the GIST98/EUROBUS system), described the development method to use on the study case and, finally, it is described the method application. This work was done with the support of five companies that are using or will use soon the GIST98/EUROBUS system. Those companies operate daily about 6000 vehicles, corresponding to more than half of the road public transport market in Portugal, including Madeira and Azores.
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