View updating is a long standing difficult problem. Given a view defined over base data sources and a view update, there are several different updates over the base data sources,...
Ling Wang, Ming Jiang 0003, Elke A. Rundensteiner,...
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
Abstract. Model management is a metadata-based approach to database problems aimed at supporting the productivity of developers by providing schema manipulation operators. Here we ...
Paolo Atzeni, Luigi Bellomarini, Francesca Bugiott...
In the recent years, the Web has been rapidly “deepened” with the prevalence of databases online. On this deep Web, many sources are structured by providing structured query i...
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...