Felipe Victolla Silveira

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This paper describes an expert system (ES) based decision support system (DSS), which aids the user to select feasible projects among a strategic portfolio supplied by a dynamic simulator. The purpose of developing a DSS embbeded in na ES structure, is to search for the modelling of the decision-maker rather than the decision process. Thus, the ES stores(More)
The problem of data integration (query decomposition, data fragmentation) has been widely studied in literature, but the inherent hierarchical nature of XML data presents problems that are specific to this data model. Each many-to-many conceptual relationship must be mapped to a specific hierarchical structure in XML. Different XML sources may implement the(More)
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