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A main problem of data integration is the treatment of conflicts caused by different modeling of real-world entities, different data models or simply by different representations of one and the same object. During the integration phase these conflicts have to be identified and resolved as part of the mapping between local and global schemata. Therefore, conflict resolution affects the definition of the integrated view as well as query transformation and evaluation. In this paper we present adoi:10.3127/ajis.v8i1.262 fatcat:cj2u4uedlnfijauv6lamci2xjq