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INFORMATION SYSTEMS IN MANAGEMENT IV

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in a choice of a trade customer are presented and descriptions on the basis of thefuzzy logic some of the characteristics of the system which under investigation areimprecise or unpredictable are outlined (S. Robak, A. Pieczyński). A processingnative XML data in relational database systems; especially SQL Server 2008 andOracle 11g is described and a study and comparison on efficiency of XQuery queriesperformed on the test relational database containing weather information providedby National Oceanic and Atmospheric Administration are presented (M.Śmietański, M. Drozd). Problems related to the capabilities of the integration ofXML data with relational data in databases management systems were discussed,particularly issues, which give developers of database software the possibility toadapt the mechanisms of storage and processing simultaneously native XML andrelational data are described and compared on Oracle 11g and Microsoft SQLServer 2008 (M. Śmietański, M. Drozd). Eventually, fundamental definitions relatedto data and information quality in the context of data completeness are describedand application of artificial neural network for the purpose of practicalexperiment that aimed to estimate data completeness in corporate ManagementInformation System is presented (T. Ząbkowski, F. Pudło).Arkadiusz Orłowski4

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