Data processing apparatus and method

Details Data processing apparatus and method Data processing apparatus and method

G - Physics

06

F

G06F 15/00 (2006.01) G06F 9/44 (2006.01)

Patent

CA 2273710

A data processing method evaluates expressions, including temporally-scoped operands, to produce temporally-scoped results. Each of the temporally-scoped operands and results includes a sequence of one or more value instances, each value instance including a data item, a start time, and an end time, the start time and end time defining a time span in which the data item is valid. An expression involving a binary operator is evaluated by scanning each of the operands of the binary operator and generating a value instance in the result, in respect of each time span in which each operand has a constant value.

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