cipal high-level goal of the research is to develop abstractions, theory and methodology and software tools that allow federal statistical agencies to disseminate useful informatio...
Schema mappings are declarative specifications that describe the relationship between two database schemas. In recent years, there has been an extensive study of schema mappings a...
Digital libraries are more and more available on the web. However, retrieving information in these libraries is not easy because of sources heterogeneity and distribution. Thus, w...
XML has become the lingua franca for data exchange and integration across administrative and enterprise boundaries. Nearly all data providers are adding XML import or export capabi...