Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sanjay Ghemawat0
Date of Patent
April 7, 2015
Patent Application Number
13366934
Date Filed
February 6, 2012
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
Methods for organizing and retrieving data values in a persistent data structure are provided. Data values are grouped into data blocks and pointers are obtained for each data block. In addition, one or more summaries, related to a properties of the data block, are created and associated with the data block's pointer. The summaries allow for a more efficient retrieval of data values from the data structure by preventing unnecessary retrieval calls to persistent storage when the summaries do not match query criteria.
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