A Quality-Aware Approach for the Early Steps of the Integration of Environmental Systems

Users discover geographical data on the Internet, as out of a large and unstructured information repository, through an opaque query system. Users are forced to rely more and more on automatic support for deciding what to choose or reject. Hence, it is more appropriate to talk about system matching rather than data merging: This insists on the fact that each component influences the whole process, and not only the data.