During past years we have developed the MOMIS (Mediator envirOnment for Multiple Information Sources) system for the integration of data from structured and semi-structured data s...
Gionata Gelati, Francesco Guerra, Maurizio Vincini
Data integration is a significant challenge: relevant data objects are split across multiple information sources, and often owned by different organizations. The sources represent...
A virtual database system is software that provides unified access to multiple information sources. If the sources are overlapping in their contents and independently maintained,...