Motivation: A few years ago, FlyBase undertook to design a new database schema to store Drosophila data. It would fully integrate genomic sequence and annotation data with bibliog...
A multi-tenant database system for Software as a Service (SaaS) should offer schemas that are flexible in that they can be extended for different versions of the application and d...
Stefan Aulbach, Dean Jacobs, Alfons Kemper, Michae...
XML data evolution has recently gained much interest in both research and practice. However, most of the existing works deal with separate aspects of the problem such as evolution...
WOL is a Horn-clause language for specifying transformations involving complex types and recursive data-structures. Its declarative syntax makes programs easy to modify in respons...
In this paper, we visit the problem of the management of inconsistencies emerging on ETL processes as results of evolution operations g at their sources. We abstract Extract-Transf...
George Papastefanatos, Panos Vassiliadis, Alkis Si...