OPERATING ON TIME SEQUENCES OF DATA
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United States of America Patent
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N/A
Issued Date -
Sep 8, 2011
app pub date -
Jun 16, 2010
filing date -
Feb 22, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for operating on time sequences of data. In one aspect, a method includes a database management system storing and updating information in records in a table of a database, the records being associated with respective times that are spaced apart by time intervals, the database management system responding to a query that is phrased to imply a putative record with respect to a time interval that is not among the time intervals with which the records of the table are associated, and the response of the database management system to the query including a computation of a value of an attribute of the putative record from at least one non-null value of the attribute for one of the records of the table, the computation being based on an interpolation policy.
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