In this paper we present a model of the stock exchange domain using symbolic data analysis and we use the SODAS software to analyze this domain. After a short presentation of the software, we present the analysis in three steps: choice of the symbolic objects, their definition and their analysis with SODAS. We give details for each of these steps and there importance is underlined. Two examples...

Ce papier pr~sente ladescription formelle d'un syst~me symbolique de representation de connaissances, le systgme ARCHES. Co~e tout syst~me formel, il est form~ de deux composantes interd~pendantes. La premiere est relative aux modalit6s de representation des connaissances qui sont d~termin~es par le langage objet de ARCHES et l'organisation alg~brique de ses ~l~ments. La deuxi~me est relative ~...