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This paper presents work on logical integration of OLAPand XML data sources, carried out in cooperation betweenTARGIT, a Danish OLAP client vendor, and AalborgUniversity. A prototype has been developed that allowsXML data on the WWW to be used as dimensions and measuresin the OLAP system in the same way as ordinary dimensionsand measures, providing a powerful and flexibleway to handle unexpected or short-term data requirementsas well as rapidly changing data. Compared to earlier work,this paper presents several major extensions that resultedfrom TARGIT's requirements. These include the ability touse XML data as measures, as well as a novel multigranulardata model and query language that formalizes and extendsthe TARGIT data model and query language.