Storage system for randomly named blocks of data

A method for constructing an index suitable for indexing a large set of records identified by long generally randomly distributed record names and for answering membership queries about the set, the method comprising assigning each different record a different record name, determining that a new rec...

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Bibliographische Detailangaben
Hauptverfasser: Margolus, Norman H, Olson, Edwin, Sclafani, Michael, Coburn, J. Corwin, Fortson, Michael
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for constructing an index suitable for indexing a large set of records identified by long generally randomly distributed record names and for answering membership queries about the set, the method comprising assigning each different record a different record name, determining that a new record name is not already represented in the index by checking an entry in a first level index that is shorter than the complete new record name, and determining that a queried record name is already represented in the index by determining that the queried record name is represented in a second level index that contains enough information to reconstruct the complete queried record name.