%0 Journal Article %T Applying data warehousing technology to support planning and control on mass transit companies %A Moreira %A Jo£¿o Mendes %A Sousa %A Jorge Freire de %J Investiga£¿£¿o Operacional %D 2006 %I Scientific Electronic Library Online %X this paper describes the methodology used in the construction of a data warehousing project to support planning and control on mass transit companies. the data sources used were the ones from the gist98/eurobus system - a computer application for supporting operational planning in public transport companies. firstly, the main data warehousing concepts and definitions are introduced. after the problem description and a brief analysis of different data warehousing methodologies, the analysis and development phases of the data warehousing project are presented. finally, in the conclusions, the main advantages to implement such a system in the situation described are emphasized. %K data warehousing %K olap %K mass transit %K transportation management. %U http://www.scielo.gpeari.mctes.pt/scielo.php?script=sci_abstract&pid=S0874-51612006000100002&lng=en&nrm=iso&tlng=en