DATA PROCESSING APPARATUS AND METHOD OF PROCESSING DATA

摘要

Data processing apparatus comprising: a chunk store containing specimen data chunks 6, a manifest store containing at least one manifest that represents at least a part of a data set and is divided into manifest segments, each comprising at least one reference to at least one of said specimen data chunks, the data processing apparatus being operable to: process input data into input data segments, each comprising one or more input data chunks: and identify at least one of said manifest segments having at least one said reference to a said specimen data chunk corresponding to an input data chunk of at least one of the input data segments.