Xere: Towards a Natural Interoperability between XML and ER Diagrams

Abstract. XML (eXtensible Markup Language) is becoming the stan-dard format for documents on Internet and is widely used to exchange data. Often, the relevant information contained in XML documents needs to be also stored in legacy databases (DB) in order to integrate the new data with the pre–existing ones. In this paper, we introduce a technique for the automatic XML–DB integration, which we call Xere. In particular we present, as the first step of Xere, the mapping algorithm which allows the translation of XML Schemas into Entity-Relationship diagrams.