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The huge amount of information published on the Web gave birth to dataspaces, collections of inter-connected (and sometimes structured) information sources created by autonomous users. The existence of dataspaces opens rooms for a new kind of research, with the purpose of providing meaningful access to data, regardless of its content and format, as long as it is available. This book presents a novel approach to query dataspaces, based on an architecture that decomposes data as sets of records and stores it in optimized index structures. The authors also present a query interface, where the...

The huge amount of information published on the Web gave birth to dataspaces, collections of inter-connected (and sometimes structured) information sources created by autonomous users. The existence of dataspaces opens room for a new kind of research, with the purpose of providing meaningful access to data, regardless of its content and format, as long as it is available. The author proposes a novel approach to query dataspaces, based on an architecture that decomposes data as sets of records and stores it in optimized index structures. In this book, the author presents an extension of the...