Heuristic / Heuristics

Heuristics - A method or rule of thumb for obtaining a solution through inference or trial-and-error using approximate methods while evaluating progress toward a goal.

[Category=Data Quality ]

Source: Larry English, http://www.iaidq.com/main/glossary.shtml , 27-Jan-2009 12:56

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heuristic - [computing] In computer science, an algorithm that incorporates a shortcut or simplification for solving a programming problem, such as searching. While a heuristic may run faster than a more rigorous algorithm, there is no guarantee that it will find the best solution.

[mathematics] In graph theory, a function used to determine the lowest cost or shortest path between two given nodes in a tree.

[Category=Geospatial ]

Source: esri, 09 May 2012 09:06:34, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation