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Recovering Information from Summary Data

Faloutsos, Christos; Jagadish, H.V.; Sidiropoulos, N.D. (1997)

Data is often stored in summarized form, as a histogram of aggregates (COUNTs,SUMs, or AVeraGes) over specified ranges. Queries regarding specific values, or ranges different from those stored, cannot be answered exactly ...

Recovering Information from Summary Data

Faloutsos, Christos; Jagadish, H.V.; Sidiropoulos, N.D. (1997)

Data is often stored in summarized form, as a histogram of aggregates (COUNTs,SUMs, or AVeraGes) over specified ranges. Queries regarding specific values, or ranges different from those stored, cannot be answered exactly ...