Encyclopedia of Database Systems, p. 2229-2230
DOI: 10.1007/978-0-387-39940-9_288
Encyclopedia of Database Systems, p. 2957-2958, 2018
DOI: 10.1007/978-1-4614-8265-9_288
Encyclopedia of Database Systems, p. 1-2
DOI: 10.1007/978-1-4899-7993-3_288-2
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