Single instance storage of information
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United States of America Patent
Stats
-
Sep 22, 1998
Grant Date -
N/A
app pub date -
Jul 12, 1996
filing date -
Jul 12, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Information items commonly have a unique portion and a common portion that is the same for multiple items. The common portions of information items are stored once. Each common portion is assigned a globally unique single-instance identifier. Each unique portion of an information item stores the single-instance identifier of the associated common portion. A reference count, stored with the common portion, reflects the number of unique portions associated with the common portion. When an information item is created or distributed, the single-instance identifier of the common portion is used to ensure that multiple copies of the common portion are not stored.
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Family
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Cited Art Landscape
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