Typechecking for XML transformers
PODS '00 Proceedings of the nineteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Towards static type checking for XSLT
DocEng '01 Proceedings of the 2001 ACM Symposium on Document engineering
XClust: clustering XML schemas for effective integration
Proceedings of the eleventh international conference on Information and knowledge management
Frontiers of tractability for typechecking simple XML transformations
PODS '04 Proceedings of the twenty-third ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Static validation of XSL transformations
ACM Transactions on Programming Languages and Systems (TOPLAS)
Typechecking top-down XML transformations: Fixed input or output schemas
Information and Computation
A survey of schema-based matching approaches
Journal on Data Semantics IV
XML data transformations as schema evolves
ADBIS'11 Proceedings of the 15th international conference on Advances in databases and information systems
XML document versioning, revalidation and constraints
ICWE'11 Proceedings of the 11th international conference on Current Trends in Web Engineering
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Database systems often use XML schema to describe the format of valid XML documents. Usually, this format is determined when the system is designed. Sometimes, in an already functioning system, a need arises to change the XML schemas. In such a situation, the system has to transform the old XML documents so that they conform to the new format and that as little information as possible is lost in the process. This process is called schema evolution. We have implemented an XML schema transformation toolkit within IBM Master Data Management Server (MDM). MDM uses XML documents to describe products that an enterprise may be offering to its clients. In this work we focus on evolving schemas rather than on integrating separate or heterogeneous data sources. Our solution includes an extendible schema matching algorithm that was designed with evolving XML schemas in mind and takes advantage of hierarchical structure of XML. It also includes a data transformation and migration method appropriate for environments where migration is performed in an abstraction layer above the DBMS. Finally, we describe a novel way of extending an XSLT editor with an XSLT visualization feature to allow the user's input and evaluation of the transformation.