Methods and apparatus for integration of declarative rule-based processing with procedural programming in a digital data-processing environment
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United States of America Patent
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Feb 17, 2015
Grant Date -
Jan 16, 2014
app pub date -
May 31, 2013
filing date -
May 26, 2004
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Abstract
The present invention provides methods and systems for integrating a procedural computational model with a declarative computational model. For example, in one aspect, the present invention provides a method for integrating a plurality of procedural instructions in a procedural computational system with a plurality of declarative rules in a declarative computational system. In such a method, for each of the procedural instructions operating on one or more variables, a hash table indexed by variable names is utilized to determine whether any of these variables participate in at least one of the declarative rules. Upon execution of a procedural instruction that changes a variable participating in a declarative rule, other variables associated with the rule are updated so as to maintain a relationship imposed by the rule among the variables. The updating of the other variables is performed prior to execution of other procedural instructions.
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